All Free Calculators
105 tools across 10 categories — all free, all run in your browser.
Recent additions
2026-05-01 — 1 tool added
2026-05-02 — 1 tool added
2026-05-03 — 1 tool added
2026-05-04 — 1 tool added
2026-05-05 — 1 tool added
Payments
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Payment Processor 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.
Added 2026-05-01
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PayPal Fee Calculator
Calculate exactly how much PayPal takes per transaction and what you actually receive, for any payment type.
Added 2026-05-13
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Shopify Fee Calculator
Calculate Shopify processing fees and transaction fees for any plan — with and without Shopify Payments.
Added 2026-05-19
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Stripe Fee Calculator
Calculate exactly how much Stripe takes and what you actually receive, for any charge amount and card type.
Added 2026-05-02
SaaS Growth Metrics
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ARPU Calculator (Average Revenue Per User)NEW
Calculate Average Revenue Per User (ARPU) from MRR and active users — the core SaaS pricing metric for benchmarking, forecasting, and identifying pricing opportunities.
Added 2026-06-17
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ARR CalculatorNEW
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.
Added 2026-06-17
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ARR Growth Rate CalculatorNEW
Calculate your Annual Recurring Revenue growth rate, T2D3 trajectory, and years to reach your ARR target.
Added 2026-06-11
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ARR / MRR Converter
Instantly convert between Monthly Recurring Revenue and Annual Recurring Revenue, plus daily and weekly breakdowns.
Added 2026-05-14
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Cash Burn by Department CalculatorNEW
Break down monthly cash burn by department — engineering, sales, marketing, G&A — and see which teams are consuming the most runway.
Added 2026-06-18
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Burn Multiple CalculatorNEW
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.
Added 2026-06-17
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Magic Number CalculatorNEW
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.
Added 2026-06-17
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MRR & ARR Calculator
Calculate monthly recurring revenue, annual recurring revenue and MRR growth rate from your subscriber plan mix.
Added 2026-05-03
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SaaS Quick Ratio CalculatorNEW
Calculate your SaaS Quick Ratio — growth MRR divided by lost MRR — to measure whether your business is growing efficiently or just replacing churn.
Added 2026-06-17
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SaaS Revenue Growth Calculator (MoM/QoQ/YoY)NEW
Calculate MoM, QoQ, and YoY revenue growth rates, CAGR, and time-to-double to benchmark your startup's trajectory.
Added 2026-06-17
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Revenue per Employee CalculatorNEW
Benchmark your ARR per FTE against SaaS industry quartiles — and calculate the revenue or headcount needed to hit a target efficiency ratio.
Added 2026-06-17
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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.
Added 2026-05-17
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Revenue Run Rate CalculatorNEW
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.
Added 2026-06-17
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Startup Runway Calculator
Calculate how many months of runway you have left, your burn rate, and when you need to raise or break even.
Added 2026-05-05
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SaaS Pricing CalculatorNEW
Calculate optimal SaaS pricing tiers based on your costs, target margin, and willingness-to-pay — with monthly and annual plan analysis.
Added 2026-06-12
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Sales Velocity CalculatorNEW
Calculate sales velocity — the revenue your pipeline generates per day — from opportunities, win rate, ACV, and sales cycle length.
Added 2026-06-17
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Unit Economics CalculatorNEW
The complete SaaS unit economics dashboard: CAC payback, LTV:CAC ratio, gross margin, and magic number in one place, for a full efficiency review.
Added 2026-06-16
SaaS Retention Metrics
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CAC by Channel Calculator
Break down Customer Acquisition Cost by marketing channel to find which channels are most efficient and where to shift budget.
Added 2026-05-22
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CAC CalculatorNEW
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.
Added 2026-06-17
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CAC Payback Period CalculatorNEW
Calculate how many months it takes to recover your customer acquisition cost. One of the key unit economics metrics VCs check before investing.
Added 2026-06-18
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Churn Impact Calculator
See exactly how monthly churn erodes your MRR over 12 months and what reducing churn by 1% is worth.
Added 2026-05-06
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Subscription Churn Revenue Loss CalculatorNEW
Forecast monthly and annual revenue lost to churn — and the MRR needed to break even.
Added 2026-06-10
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Churn Cohort Analysis Calculator
Analyze cohort retention, calculate LTV from churn rate, and project how many customers remain after any number of months.
Added 2026-06-17
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Customer Concentration Risk CalculatorNEW
Calculate customer concentration risk — % revenue from top customers, Herfindahl-Hirschman Index (HHI), and single-customer exposure — a key due diligence metric.
Added 2026-06-17
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Gross Revenue Retention CalculatorNEW
Calculate Gross Revenue Retention (GRR) from starting MRR, churn, and contraction — excluding expansion to isolate pure retention.
Added 2026-06-18
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Customer Health Score CalculatorNEW
Score your SaaS customers by usage, engagement, and NPS to predict churn risk and identify expansion opportunities.
Added 2026-06-15
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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.
Added 2026-05-04
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Customer LTV CalculatorNEW
Calculate Customer Lifetime Value (LTV), LTV:CAC ratio, and CAC payback period from your ARPU, gross margin, and monthly churn rate.
Added 2026-06-17
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NPS Calculator
Calculate your Net Promoter Score from promoter, passive, and detractor counts — with benchmark context.
Added 2026-05-15
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Net Revenue Retention (NRR) CalculatorNEW
Calculate Net Revenue Retention and Gross Revenue Retention from starting MRR, expansion, contraction, and churn — the core SaaS retention health metric.
Added 2026-06-17
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Customer Retention Rate CalculatorNEW
Calculate customer retention rate, churn rate, and implied LTV from your period start, end, and new customer counts.
Added 2026-06-18
Freelance
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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.
Added 2026-05-07
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Invoice Total Calculator
Build and total an invoice with multiple line items, discount, and tax — then copy the full breakdown with one click.
Added 2026-05-29
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Freelance Project Estimator
Calculate a client-ready project quote from your hourly rate, time estimate, and contingency buffer.
Added 2026-05-20
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Salary to Hourly Rate Calculator
Convert annual salary to hourly, daily and weekly rates — including after-tax take-home for common US tax brackets.
Added 2026-05-08
Pricing & Margins
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Percentage Change CalculatorNEW
Calculate percentage change, absolute change, and CAGR between any two values.
Added 2026-06-18
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Break-Even Calculator
Find how many units or customers you need to cover fixed costs, and calculate your break-even revenue.
Added 2026-05-10
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Break-Even Revenue CalculatorNEW
Calculate the exact revenue needed to cover your fixed costs given your contribution margin — plus safety margin when you enter current revenue.
Added 2026-06-17
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Contribution Margin Calculator
Calculate unit contribution margin, CM ratio, and the exact number of units needed to break even or hit a profit target.
Added 2026-06-17
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Discount CalculatorNEW
Calculate sale price, discount amount, or reverse-calculate the discount percentage from any original price — plus margin impact after discount.
Added 2026-06-17
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Gross Margin CalculatorNEW
Calculate gross margin %, gross profit, and markup from revenue and COGS — plus the revenue needed to hit any target margin.
Added 2026-06-17
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Inventory Turnover CalculatorNEW
Calculate inventory turnover ratio (COGS ÷ average inventory), days sales of inventory (DSI), and sell-through rate — the core metrics for inventory health.
Added 2026-06-17
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Markup CalculatorNEW
Calculate markup percentage, gross margin, and gross profit from cost and selling price — and understand the difference.
Added 2026-06-18
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Pricing Elasticity CalculatorNEW
Calculate how a price change affects demand and revenue based on price elasticity — see whether raising your price will increase or decrease total revenue.
Added 2026-06-17
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Price Increase Impact Calculator
See how a price increase affects your MRR and calculate the minimum retention rate needed to break even on a pricing change.
Added 2026-05-18
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Price Per Unit CalculatorNEW
Calculate and compare price per unit for different package sizes or supplier quotes to find the best value option.
Added 2026-06-18
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Profit Margin Calculator
Calculate gross profit, gross margin %, net profit and net margin % from revenue and cost inputs.
Added 2026-05-09
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ROI CalculatorNEW
Calculate return on investment (ROI), annualized ROI, net profit, and break-even period for any business investment, marketing campaign, or capital allocation decision.
Added 2026-06-17
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Segment Gross Margin Calculator
Compare gross margin and gross profit across up to 4 product lines or business segments side by side.
Added 2026-06-17
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Pricing Tier Comparison Calculator
Compare 2–3 SaaS pricing tiers and find which tier maximizes revenue at different conversion rates — before you commit to a pricing page.
Added 2026-05-24
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Weighted Average CalculatorNEW
Calculate weighted averages for grades, prices, rates, or any metrics — see each component's contribution to the overall result instantly.
Added 2026-06-18
Marketing
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Average Order Value CalculatorNEW
Calculate average order value (AOV), revenue per visitor, and the revenue impact of raising your AOV.
Added 2026-06-18
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Conversion Rate CalculatorNEW
Calculate your website conversion rate and model the exact revenue impact of improving it — for any funnel stage, from visitor to paid customer.
Added 2026-06-17
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Email Marketing ROI Calculator
Calculate the revenue, ROI, and cost per conversion for any email campaign — from list size through opens, clicks, and conversions.
Added 2026-05-27
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Email List Growth Rate CalculatorNEW
Calculate your email list growth rate, monthly decay, and how many new subscribers you need to reach your target list size.
Added 2026-06-17
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Revenue per Lead CalculatorNEW
Calculate revenue per lead (RPL) by channel — compare marketing channel profitability, cost per lead vs revenue generated, and leads needed to hit revenue targets.
Added 2026-06-17
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Ad ROAS CalculatorNEW
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.
Added 2026-06-17
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Sales Funnel CalculatorNEW
Model your full sales funnel — from leads to closed revenue — and find your weakest conversion stage.
Added 2026-06-18
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Sales Quota Calculator
Calculate how many deals, leads, and pipeline you need to hit your annual revenue target based on ACV and close rate.
Added 2026-05-25
Finance
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Budget Variance CalculatorNEW
Calculate budget variance in dollars and percentage, and determine whether the variance is favorable or unfavorable for revenue or expense lines.
Added 2026-06-18
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Business Loan CalculatorNEW
Calculate monthly payment, total interest, and total cost of a business loan — model SBA loans, term loans, and lines of credit with standard amortization.
Added 2026-06-17
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Cash Conversion Cycle CalculatorNEW
Calculate Days Inventory Outstanding, Days Sales Outstanding, and Days Payable Outstanding — and combine them into the Cash Conversion Cycle to measure working capital efficiency.
Added 2026-06-17
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Operating Cash Flow CalculatorNEW
Calculate Operating Cash Flow (OCF) from net income, depreciation, and working capital — plus free cash flow and cash conversion ratio.
Added 2026-06-17
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COGS CalculatorNEW
Calculate Cost of Goods Sold (COGS) from inventory and purchases, then compute gross profit and gross margin.
Added 2026-06-18
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Current Ratio CalculatorNEW
Calculate current ratio, quick ratio, and cash ratio to measure your business's short-term liquidity.
Added 2026-06-18
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Debt-to-Equity Ratio CalculatorNEW
Calculate debt-to-equity ratio, equity ratio, and financial leverage from your balance sheet figures.
Added 2026-06-18
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DSCR CalculatorNEW
Calculate Debt Service Coverage Ratio and find the maximum loan your cash flow can support.
Added 2026-06-18
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Days Sales Outstanding (DSO) Calculator
Calculate Days Sales Outstanding to measure how quickly you collect accounts receivable and how much cash is tied up in unpaid invoices.
Added 2026-06-17
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EBITDA CalculatorNEW
Calculate EBITDA from revenue, COGS, and operating expenses — plus EBITDA margin, EBIT after depreciation, and implied valuation at a given EBITDA multiple.
Added 2026-06-17
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Free Cash Flow CalculatorNEW
Calculate free cash flow (operating cash flow minus capital expenditures), FCF margin, and FCF yield — the metric investors use to assess true cash generation.
Added 2026-06-17
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Financial Ratios CalculatorNEW
Calculate six key financial ratios in one dashboard — profitability, liquidity, leverage, and efficiency from a single balance sheet and income statement.
Added 2026-06-18
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Gross Profit Margin CalculatorNEW
Calculate gross profit, gross margin %, and markup from revenue and COGS — with industry benchmark guidance.
Added 2026-06-18
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Invoice Early Payment Discount CalculatorNEW
Calculate early payment discount savings, net payment amount, and the annualized cost of passing on a 2/10 net 30 discount.
Added 2026-06-18
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IRR Calculator — Internal Rate of ReturnNEW
Calculate the Internal Rate of Return (IRR) for any series of cash flows — evaluates the profitability of investments, projects, and business decisions.
Added 2026-06-18
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MIRR Calculator (Modified IRR)NEW
Calculate Modified Internal Rate of Return — a more accurate investment return metric that corrects IRR's reinvestment rate assumption.
Added 2026-06-18
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Net Profit CalculatorNEW
Calculate gross profit, operating income, and net profit with full margin breakdown from revenue through taxes.
Added 2026-06-18
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NPV Calculator (Net Present Value)NEW
Calculate net present value from an initial investment and up to 5 years of cash flows — includes profitability index and simple payback period.
Added 2026-06-17
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Operating Leverage CalculatorNEW
Calculate your degree of operating leverage (DOL) — how much a percentage change in revenue amplifies your operating income.
Added 2026-06-18
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Payback Period CalculatorNEW
Calculate payback period in years and months — simple and discounted — to determine how long until an investment breaks even and starts generating net returns.
Added 2026-06-17
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Revenue Growth Rate CalculatorNEW
Calculate year-over-year revenue growth rate, multi-year CAGR, and Rule of 40 score for SaaS and business performance tracking.
Added 2026-06-18
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Return on Assets CalculatorNEW
Calculate Return on Assets (ROA) and decompose it into net margin and asset turnover using the DuPont framework.
Added 2026-06-18
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Return on Equity (ROE) Calculator
Calculate Return on Equity to measure how efficiently a company generates profit from shareholders' capital investment.
Added 2026-06-17
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Rule of 72 CalculatorNEW
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.
Added 2026-06-18
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Times Interest Earned CalculatorNEW
Calculate the Times Interest Earned (TIE) ratio to measure how comfortably your EBIT covers annual interest payments.
Added 2026-06-18
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WACC CalculatorNEW
Calculate Weighted Average Cost of Capital — the blended rate a company must earn on its assets to satisfy all capital providers, equity and debt.
Added 2026-06-18
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Working Capital CalculatorNEW
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.
Added 2026-06-17
Valuation
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DCF Calculator (Discounted Cash Flow)NEW
Calculate the present value of future cash flows using your discount rate — get intrinsic value, NPV, and terminal value in seconds.
Added 2026-06-18
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EBITDA Multiple CalculatorNEW
Estimate enterprise value and equity value using EV/EBITDA and EV/Revenue multiples.
Added 2026-06-18
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Enterprise Value CalculatorNEW
Calculate Enterprise Value (EV) and key acquisition multiples — EV/EBITDA and EV/Revenue — from market cap, debt, and cash.
Added 2026-06-18
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Equity Dilution CalculatorNEW
Model how a funding round dilutes founder and investor ownership — calculate post-money valuation, new shares issued, and your diluted ownership percentage.
Added 2026-06-17
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P/E Ratio CalculatorNEW
Calculate trailing and forward P/E ratios, earnings yield, and PEG ratio to assess stock valuation relative to earnings.
Added 2026-06-18
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Price-to-Sales Ratio Calculator
Calculate P/S ratio, implied valuation at any multiple, and growth-adjusted P/S for startup and SaaS company comparisons.
Added 2026-06-17
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TAM SAM SOM CalculatorNEW
Calculate Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) for investor presentations and market sizing.
Added 2026-06-17
Tax & Compliance
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Freelance Tax Estimator
Estimate your annual self-employment tax, federal income tax, and quarterly estimated payments as a freelancer or independent contractor.
Added 2026-06-17
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Payroll Tax CalculatorNEW
Estimate employer payroll taxes — FICA (Social Security + Medicare), FUTA, and total employment cost — for any employee salary in the US.
Added 2026-06-18
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VAT & Sales Tax Calculator
Add or remove VAT / sales tax at any rate. Switch between countries or enter a custom rate.
Added 2026-05-12
HR & People
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Commission CalculatorNEW
Calculate sales commission earned, total compensation, and OTE attainment from revenue and commission rate.
Added 2026-06-18
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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.
Added 2026-06-17
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Employee Turnover Rate CalculatorNEW
Calculate annual employee turnover rate, retention rate, and total cost of turnover including replacement costs.
Added 2026-06-18
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Payroll Cost CalculatorNEW
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.
Added 2026-06-17
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Employee Turnover Cost CalculatorNEW
Estimate the true cost of employee turnover — separation, vacancy, recruitment, and onboarding — as a total and as a percentage of payroll.
Added 2026-06-18