https://foundercalc.dev/ FounderCalc is a collection of free, instant business calculators — Stripe fees, MRR, LTV/CAC, runway, profit margin, freelance rates and more. All math runs in your browser. No sign-up, no uploads, no tracking. https://foundercalc.dev/static/img/og.pnghttps://foundercalc.dev/144144 en-us https://www.rssboard.org/rss-specification FounderCalc build.py Copyright 2026 FounderCalc guillaume.malvestio1@gmail.com (FounderCalc) guillaume.malvestio1@gmail.com (FounderCalc) 1440 https://foundercalc.dev/tools/wacc-calculator/https://foundercalc.dev/tools/wacc-calculator/Calculate Weighted Average Cost of Capital — the blended rate a company must earn on its assets to satisfy all capital providers, equity and debt.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/employee-turnover-cost-calculator/https://foundercalc.dev/tools/employee-turnover-cost-calculator/Estimate the true cost of employee turnover — separation, vacancy, recruitment, and onboarding — as a total and as a percentage of payroll.Thu, 18 Jun 2026 00:00:00 +0000HR & People https://foundercalc.dev/tools/irr-calculator/https://foundercalc.dev/tools/irr-calculator/Calculate the Internal Rate of Return (IRR) for any series of cash flows — evaluates the profitability of investments, projects, and business decisions.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/payroll-tax-calculator/https://foundercalc.dev/tools/payroll-tax-calculator/Estimate employer payroll taxes — FICA (Social Security + Medicare), FUTA, and total employment cost — for any employee salary in the US.Thu, 18 Jun 2026 00:00:00 +0000Tax & Compliance https://foundercalc.dev/tools/weighted-average-calculator/https://foundercalc.dev/tools/weighted-average-calculator/Calculate weighted averages for grades, prices, rates, or any metrics — see each component's contribution to the overall result instantly.Thu, 18 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/gross-profit-margin-calculator/https://foundercalc.dev/tools/gross-profit-margin-calculator/Calculate gross profit, gross margin %, and markup from revenue and COGS — with industry benchmark guidance.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/mirr-calculator/https://foundercalc.dev/tools/mirr-calculator/Calculate Modified Internal Rate of Return — a more accurate investment return metric that corrects IRR's reinvestment rate assumption.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/cash-burn-by-department/https://foundercalc.dev/tools/cash-burn-by-department/Break down monthly cash burn by department — engineering, sales, marketing, G&A — and see which teams are consuming the most runway.Thu, 18 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/dcf-calculator/https://foundercalc.dev/tools/dcf-calculator/Calculate the present value of future cash flows using your discount rate — get intrinsic value, NPV, and terminal value in seconds.Thu, 18 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/operating-leverage-calculator/https://foundercalc.dev/tools/operating-leverage-calculator/Calculate your degree of operating leverage (DOL) — how much a percentage change in revenue amplifies your operating income.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/rule-of-72-calculator/https://foundercalc.dev/tools/rule-of-72-calculator/Use the Rule of 72 to estimate how long it takes to double your money at a given annual return rate — and find the rate needed to double by a target date.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/cac-payback-calculator/https://foundercalc.dev/tools/cac-payback-calculator/Calculate how many months it takes to recover your customer acquisition cost. One of the key unit economics metrics VCs check before investing.Thu, 18 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/sales-funnel-calculator/https://foundercalc.dev/tools/sales-funnel-calculator/Model your full sales funnel — from leads to closed revenue — and find your weakest conversion stage.Thu, 18 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/dscr-calculator/https://foundercalc.dev/tools/dscr-calculator/Calculate Debt Service Coverage Ratio and find the maximum loan your cash flow can support.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/ebitda-multiple-calculator/https://foundercalc.dev/tools/ebitda-multiple-calculator/Estimate enterprise value and equity value using EV/EBITDA and EV/Revenue multiples.Thu, 18 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/current-ratio-calculator/https://foundercalc.dev/tools/current-ratio-calculator/Calculate current ratio, quick ratio, and cash ratio to measure your business's short-term liquidity.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/markup-calculator/https://foundercalc.dev/tools/markup-calculator/Calculate markup percentage, gross margin, and gross profit from cost and selling price — and understand the difference.Thu, 18 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/aov-calculator/https://foundercalc.dev/tools/aov-calculator/Calculate average order value (AOV), revenue per visitor, and the revenue impact of raising your AOV.Thu, 18 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/commission-calculator/https://foundercalc.dev/tools/commission-calculator/Calculate sales commission earned, total compensation, and OTE attainment from revenue and commission rate.Thu, 18 Jun 2026 00:00:00 +0000HR & People https://foundercalc.dev/tools/roa-calculator/https://foundercalc.dev/tools/roa-calculator/Calculate Return on Assets (ROA) and decompose it into net margin and asset turnover using the DuPont framework.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/debt-to-equity-calculator/https://foundercalc.dev/tools/debt-to-equity-calculator/Calculate debt-to-equity ratio, equity ratio, and financial leverage from your balance sheet figures.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/customer-retention-rate-calculator/https://foundercalc.dev/tools/customer-retention-rate-calculator/Calculate customer retention rate, churn rate, and implied LTV from your period start, end, and new customer counts.Thu, 18 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/percentage-change-calculator/https://foundercalc.dev/tools/percentage-change-calculator/Calculate percentage change, absolute change, and CAGR between any two values.Thu, 18 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/cogs-calculator/https://foundercalc.dev/tools/cogs-calculator/Calculate Cost of Goods Sold (COGS) from inventory and purchases, then compute gross profit and gross margin.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/net-profit-calculator/https://foundercalc.dev/tools/net-profit-calculator/Calculate gross profit, operating income, and net profit with full margin breakdown from revenue through taxes.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/financial-ratios-calculator/https://foundercalc.dev/tools/financial-ratios-calculator/Calculate six key financial ratios in one dashboard — profitability, liquidity, leverage, and efficiency from a single balance sheet and income statement.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/times-interest-earned-calculator/https://foundercalc.dev/tools/times-interest-earned-calculator/Calculate the Times Interest Earned (TIE) ratio to measure how comfortably your EBIT covers annual interest payments.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/pe-ratio-calculator/https://foundercalc.dev/tools/pe-ratio-calculator/Calculate trailing and forward P/E ratios, earnings yield, and PEG ratio to assess stock valuation relative to earnings.Thu, 18 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/revenue-growth-rate-calculator/https://foundercalc.dev/tools/revenue-growth-rate-calculator/Calculate year-over-year revenue growth rate, multi-year CAGR, and Rule of 40 score for SaaS and business performance tracking.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/enterprise-value-calculator/https://foundercalc.dev/tools/enterprise-value-calculator/Calculate Enterprise Value (EV) and key acquisition multiples — EV/EBITDA and EV/Revenue — from market cap, debt, and cash.Thu, 18 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/invoice-discount-calculator/https://foundercalc.dev/tools/invoice-discount-calculator/Calculate early payment discount savings, net payment amount, and the annualized cost of passing on a 2/10 net 30 discount.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/price-per-unit-calculator/https://foundercalc.dev/tools/price-per-unit-calculator/Calculate and compare price per unit for different package sizes or supplier quotes to find the best value option.Thu, 18 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/gross-revenue-retention-calculator/https://foundercalc.dev/tools/gross-revenue-retention-calculator/Calculate Gross Revenue Retention (GRR) from starting MRR, churn, and contraction — excluding expansion to isolate pure retention.Thu, 18 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/employee-turnover-calculator/https://foundercalc.dev/tools/employee-turnover-calculator/Calculate annual employee turnover rate, retention rate, and total cost of turnover including replacement costs.Thu, 18 Jun 2026 00:00:00 +0000HR & People https://foundercalc.dev/tools/budget-variance-calculator/https://foundercalc.dev/tools/budget-variance-calculator/Calculate budget variance in dollars and percentage, and determine whether the variance is favorable or unfavorable for revenue or expense lines.Thu, 18 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/revenue-growth-calculator/https://foundercalc.dev/tools/revenue-growth-calculator/Calculate MoM, QoQ, and YoY revenue growth rates, CAGR, and time-to-double to benchmark your startup's trajectory.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/email-list-growth-calculator/https://foundercalc.dev/tools/email-list-growth-calculator/Calculate your email list growth rate, monthly decay, and how many new subscribers you need to reach your target list size.Wed, 17 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/ad-roas-calculator/https://foundercalc.dev/tools/ad-roas-calculator/Calculate Return on Ad Spend (ROAS), breakeven ROAS from your gross margin, and target ROAS for any profit goal — for Google Ads, Meta, or any paid channel.Wed, 17 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/customer-ltv-calculator/https://foundercalc.dev/tools/customer-ltv-calculator/Calculate Customer Lifetime Value (LTV), LTV:CAC ratio, and CAC payback period from your ARPU, gross margin, and monthly churn rate.Wed, 17 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/conversion-rate-calculator/https://foundercalc.dev/tools/conversion-rate-calculator/Calculate your website conversion rate and model the exact revenue impact of improving it — for any funnel stage, from visitor to paid customer.Wed, 17 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/gross-margin-calculator/https://foundercalc.dev/tools/gross-margin-calculator/Calculate gross margin %, gross profit, and markup from revenue and COGS — plus the revenue needed to hit any target margin.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/operating-cash-flow-calculator/https://foundercalc.dev/tools/operating-cash-flow-calculator/Calculate Operating Cash Flow (OCF) from net income, depreciation, and working capital — plus free cash flow and cash conversion ratio.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/pricing-elasticity-calculator/https://foundercalc.dev/tools/pricing-elasticity-calculator/Calculate how a price change affects demand and revenue based on price elasticity — see whether raising your price will increase or decrease total revenue.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/payroll-cost-calculator/https://foundercalc.dev/tools/payroll-cost-calculator/Calculate the true employer cost of hiring: salary plus payroll taxes (FICA, FUTA, SUTA) and benefits — so you know the real budget impact of each hire.Wed, 17 Jun 2026 00:00:00 +0000HR & People https://foundercalc.dev/tools/discount-calculator/https://foundercalc.dev/tools/discount-calculator/Calculate sale price, discount amount, or reverse-calculate the discount percentage from any original price — plus margin impact after discount.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/break-even-revenue-calculator/https://foundercalc.dev/tools/break-even-revenue-calculator/Calculate the exact revenue needed to cover your fixed costs given your contribution margin — plus safety margin when you enter current revenue.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/cac-calculator/https://foundercalc.dev/tools/cac-calculator/Calculate blended Customer Acquisition Cost from ad spend, sales payroll, and tools — plus CAC payback period, and your LTV:CAC ratio if you already know your LTV.Wed, 17 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/revenue-per-employee-calculator/https://foundercalc.dev/tools/revenue-per-employee-calculator/Benchmark your ARR per FTE against SaaS industry quartiles — and calculate the revenue or headcount needed to hit a target efficiency ratio.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/nrr-calculator/https://foundercalc.dev/tools/nrr-calculator/Calculate Net Revenue Retention and Gross Revenue Retention from starting MRR, expansion, contraction, and churn — the core SaaS retention health metric.Wed, 17 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/arr-calculator/https://foundercalc.dev/tools/arr-calculator/Convert MRR to Annual Recurring Revenue, calculate YoY growth against last year's ARR, and project ARR 12 and 24 months out at a given monthly growth rate.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/ebitda-calculator/https://foundercalc.dev/tools/ebitda-calculator/Calculate EBITDA from revenue, COGS, and operating expenses — plus EBITDA margin, EBIT after depreciation, and implied valuation at a given EBITDA multiple.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/cash-conversion-cycle-calculator/https://foundercalc.dev/tools/cash-conversion-cycle-calculator/Calculate Days Inventory Outstanding, Days Sales Outstanding, and Days Payable Outstanding — and combine them into the Cash Conversion Cycle to measure working capital efficiency.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/burn-multiple-calculator/https://foundercalc.dev/tools/burn-multiple-calculator/Calculate your burn multiple — net cash burn divided by net new ARR — the capital efficiency metric VCs use to evaluate how efficiently you're converting spending into growth.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/saas-quick-ratio-calculator/https://foundercalc.dev/tools/saas-quick-ratio-calculator/Calculate your SaaS Quick Ratio — growth MRR divided by lost MRR — to measure whether your business is growing efficiently or just replacing churn.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/magic-number-calculator/https://foundercalc.dev/tools/magic-number-calculator/Calculate your SaaS Magic Number — net new ARR divided by prior quarter S&M spend — to measure how efficiently your go-to-market converts sales investment into revenue.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/working-capital-calculator/https://foundercalc.dev/tools/working-capital-calculator/Calculate working capital, current ratio, and quick ratio from your balance sheet — the core liquidity metrics for measuring a business's short-term financial health.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/roi-calculator/https://foundercalc.dev/tools/roi-calculator/Calculate return on investment (ROI), annualized ROI, net profit, and break-even period for any business investment, marketing campaign, or capital allocation decision.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/payback-period-calculator/https://foundercalc.dev/tools/payback-period-calculator/Calculate payback period in years and months — simple and discounted — to determine how long until an investment breaks even and starts generating net returns.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/arpu-calculator/https://foundercalc.dev/tools/arpu-calculator/Calculate Average Revenue Per User (ARPU) from MRR and active users — the core SaaS pricing metric for benchmarking, forecasting, and identifying pricing opportunities.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/revenue-run-rate-calculator/https://foundercalc.dev/tools/revenue-run-rate-calculator/Calculate annual revenue run rate from any period's revenue — project ARR from Q1 earnings, monthly revenue, or partial-year figures with optional growth rate compounding.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/sales-velocity-calculator/https://foundercalc.dev/tools/sales-velocity-calculator/Calculate sales velocity — the revenue your pipeline generates per day — from opportunities, win rate, ACV, and sales cycle length.Wed, 17 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/free-cash-flow-calculator/https://foundercalc.dev/tools/free-cash-flow-calculator/Calculate free cash flow (operating cash flow minus capital expenditures), FCF margin, and FCF yield — the metric investors use to assess true cash generation.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/equity-dilution-calculator/https://foundercalc.dev/tools/equity-dilution-calculator/Model how a funding round dilutes founder and investor ownership — calculate post-money valuation, new shares issued, and your diluted ownership percentage.Wed, 17 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/business-loan-calculator/https://foundercalc.dev/tools/business-loan-calculator/Calculate monthly payment, total interest, and total cost of a business loan — model SBA loans, term loans, and lines of credit with standard amortization.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/inventory-turnover-calculator/https://foundercalc.dev/tools/inventory-turnover-calculator/Calculate inventory turnover ratio (COGS ÷ average inventory), days sales of inventory (DSI), and sell-through rate — the core metrics for inventory health.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/npv-calculator/https://foundercalc.dev/tools/npv-calculator/Calculate net present value from an initial investment and up to 5 years of cash flows — includes profitability index and simple payback period.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/revenue-per-lead-calculator/https://foundercalc.dev/tools/revenue-per-lead-calculator/Calculate revenue per lead (RPL) by channel — compare marketing channel profitability, cost per lead vs revenue generated, and leads needed to hit revenue targets.Wed, 17 Jun 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/customer-concentration-calculator/https://foundercalc.dev/tools/customer-concentration-calculator/Calculate customer concentration risk — % revenue from top customers, Herfindahl-Hirschman Index (HHI), and single-customer exposure — a key due diligence metric.Wed, 17 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/tam-sam-som-calculator/https://foundercalc.dev/tools/tam-sam-som-calculator/Calculate Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) for investor presentations and market sizing.Wed, 17 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/contribution-margin-calculator/https://foundercalc.dev/tools/contribution-margin-calculator/Calculate unit contribution margin, CM ratio, and the exact number of units needed to break even or hit a profit target.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/freelance-tax-estimator/https://foundercalc.dev/tools/freelance-tax-estimator/Estimate your annual self-employment tax, federal income tax, and quarterly estimated payments as a freelancer or independent contractor.Wed, 17 Jun 2026 00:00:00 +0000Tax & Compliance https://foundercalc.dev/tools/employee-cost-calculator/https://foundercalc.dev/tools/employee-cost-calculator/Calculate the true total cost of an employee — salary plus payroll taxes, benefits, and bonus — and see the cost multiplier over base pay.Wed, 17 Jun 2026 00:00:00 +0000HR & People https://foundercalc.dev/tools/price-to-sales-calculator/https://foundercalc.dev/tools/price-to-sales-calculator/Calculate P/S ratio, implied valuation at any multiple, and growth-adjusted P/S for startup and SaaS company comparisons.Wed, 17 Jun 2026 00:00:00 +0000Valuation https://foundercalc.dev/tools/churn-cohort-calculator/https://foundercalc.dev/tools/churn-cohort-calculator/Analyze cohort retention, calculate LTV from churn rate, and project how many customers remain after any number of months.Wed, 17 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/segment-margin-calculator/https://foundercalc.dev/tools/segment-margin-calculator/Compare gross margin and gross profit across up to 4 product lines or business segments side by side.Wed, 17 Jun 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/dso-calculator/https://foundercalc.dev/tools/dso-calculator/Calculate Days Sales Outstanding to measure how quickly you collect accounts receivable and how much cash is tied up in unpaid invoices.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/roe-calculator/https://foundercalc.dev/tools/roe-calculator/Calculate Return on Equity to measure how efficiently a company generates profit from shareholders' capital investment.Wed, 17 Jun 2026 00:00:00 +0000Finance https://foundercalc.dev/tools/unit-economics-calculator/https://foundercalc.dev/tools/unit-economics-calculator/The complete SaaS unit economics dashboard: CAC payback, LTV:CAC ratio, gross margin, and magic number in one place, for a full efficiency review.Tue, 16 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/customer-health-score/https://foundercalc.dev/tools/customer-health-score/Score your SaaS customers by usage, engagement, and NPS to predict churn risk and identify expansion opportunities.Mon, 15 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/saas-pricing-calculator/https://foundercalc.dev/tools/saas-pricing-calculator/Calculate optimal SaaS pricing tiers based on your costs, target margin, and willingness-to-pay — with monthly and annual plan analysis.Fri, 12 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/arr-growth-rate-calculator/https://foundercalc.dev/tools/arr-growth-rate-calculator/Calculate your Annual Recurring Revenue growth rate, T2D3 trajectory, and years to reach your ARR target.Thu, 11 Jun 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/subscription-churn-revenue/https://foundercalc.dev/tools/subscription-churn-revenue/Forecast monthly and annual revenue lost to churn — and the MRR needed to break even.Wed, 10 Jun 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/invoice-total-calculator/https://foundercalc.dev/tools/invoice-total-calculator/Build and total an invoice with multiple line items, discount, and tax — then copy the full breakdown with one click.Fri, 29 May 2026 00:00:00 +0000Freelance https://foundercalc.dev/tools/email-roi-calculator/https://foundercalc.dev/tools/email-roi-calculator/Calculate the revenue, ROI, and cost per conversion for any email campaign — from list size through opens, clicks, and conversions.Wed, 27 May 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/sales-quota-calculator/https://foundercalc.dev/tools/sales-quota-calculator/Calculate how many deals, leads, and pipeline you need to hit your annual revenue target based on ACV and close rate.Mon, 25 May 2026 00:00:00 +0000Marketing https://foundercalc.dev/tools/pricing-tier-comparison/https://foundercalc.dev/tools/pricing-tier-comparison/Compare 2–3 SaaS pricing tiers and find which tier maximizes revenue at different conversion rates — before you commit to a pricing page.Sun, 24 May 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/cac-by-channel-calculator/https://foundercalc.dev/tools/cac-by-channel-calculator/Break down Customer Acquisition Cost by marketing channel to find which channels are most efficient and where to shift budget.Fri, 22 May 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/freelance-project-estimate/https://foundercalc.dev/tools/freelance-project-estimate/Calculate a client-ready project quote from your hourly rate, time estimate, and contingency buffer.Wed, 20 May 2026 00:00:00 +0000Freelance https://foundercalc.dev/tools/shopify-fee-calculator/https://foundercalc.dev/tools/shopify-fee-calculator/Calculate Shopify processing fees and transaction fees for any plan — with and without Shopify Payments.Tue, 19 May 2026 00:00:00 +0000Payments https://foundercalc.dev/tools/price-impact-calculator/https://foundercalc.dev/tools/price-impact-calculator/See how a price increase affects your MRR and calculate the minimum retention rate needed to break even on a pricing change.Mon, 18 May 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/rule-of-40-calculator/https://foundercalc.dev/tools/rule-of-40-calculator/Calculate your SaaS Rule of 40 score — the sum of revenue growth rate and profit margin that investors use to benchmark health.Sun, 17 May 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/nps-calculator/https://foundercalc.dev/tools/nps-calculator/Calculate your Net Promoter Score from promoter, passive, and detractor counts — with benchmark context.Fri, 15 May 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/arr-mrr-converter/https://foundercalc.dev/tools/arr-mrr-converter/Instantly convert between Monthly Recurring Revenue and Annual Recurring Revenue, plus daily and weekly breakdowns.Thu, 14 May 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/paypal-fee-calculator/https://foundercalc.dev/tools/paypal-fee-calculator/Calculate exactly how much PayPal takes per transaction and what you actually receive, for any payment type.Wed, 13 May 2026 00:00:00 +0000Payments https://foundercalc.dev/tools/vat-calculator/https://foundercalc.dev/tools/vat-calculator/Add or remove VAT / sales tax at any rate. Switch between countries or enter a custom rate.Tue, 12 May 2026 00:00:00 +0000Tax & Compliance https://foundercalc.dev/tools/break-even-calculator/https://foundercalc.dev/tools/break-even-calculator/Find how many units or customers you need to cover fixed costs, and calculate your break-even revenue.Sun, 10 May 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/profit-margin-calculator/https://foundercalc.dev/tools/profit-margin-calculator/Calculate gross profit, gross margin %, net profit and net margin % from revenue and cost inputs.Sat, 09 May 2026 00:00:00 +0000Pricing & Margins https://foundercalc.dev/tools/salary-to-hourly-calculator/https://foundercalc.dev/tools/salary-to-hourly-calculator/Convert annual salary to hourly, daily and weekly rates — including after-tax take-home for common US tax brackets.Fri, 08 May 2026 00:00:00 +0000Freelance https://foundercalc.dev/tools/freelance-rate-calculator/https://foundercalc.dev/tools/freelance-rate-calculator/Calculate the minimum hourly rate you need to charge to hit your income target, accounting for taxes, expenses and non-billable time.Thu, 07 May 2026 00:00:00 +0000Freelance https://foundercalc.dev/tools/churn-impact-calculator/https://foundercalc.dev/tools/churn-impact-calculator/See exactly how monthly churn erodes your MRR over 12 months and what reducing churn by 1% is worth.Wed, 06 May 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/runway-calculator/https://foundercalc.dev/tools/runway-calculator/Calculate how many months of runway you have left, your burn rate, and when you need to raise or break even.Tue, 05 May 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/ltv-cac-calculator/https://foundercalc.dev/tools/ltv-cac-calculator/The fastest way to get your LTV:CAC ratio — enter ARPU, margin, churn, and spend once and get both LTV and CAC together, without filling in two separate calculators.Mon, 04 May 2026 00:00:00 +0000SaaS Retention Metrics https://foundercalc.dev/tools/mrr-calculator/https://foundercalc.dev/tools/mrr-calculator/Calculate monthly recurring revenue, annual recurring revenue and MRR growth rate from your subscriber plan mix.Sun, 03 May 2026 00:00:00 +0000SaaS Growth Metrics https://foundercalc.dev/tools/stripe-fee-calculator/https://foundercalc.dev/tools/stripe-fee-calculator/Calculate exactly how much Stripe takes and what you actually receive, for any charge amount and card type.Sat, 02 May 2026 00:00:00 +0000Payments https://foundercalc.dev/tools/payment-fee-comparison/https://foundercalc.dev/tools/payment-fee-comparison/Compare Stripe, PayPal, and Shopify Payments fees side by side — enter any sale amount and see the exact net payout for each processor instantly.Fri, 01 May 2026 00:00:00 +0000Payments