Free Finance & Business Calculators
Investment, profit, real-estate and startup math — computed on your device, no sign-up
Runs locally in your browser — your numbers never leave this pageGrowth & Return
CAGR Calculator
Measure the smoothed annual growth rate of an investment.
Compound Interest Calculator
See how a lump sum grows with compounding interest.
Future Value Calculator
Find what a sum today becomes after earning a steady rate.
Present Value Calculator
Find today’s worth of a future amount.
Rule of 72 Calculator
Quickly estimate how long money takes to double.
Doubling Time Calculator
Estimate the time for an investment to double.
ROI Calculator
See the percentage return on a cost.
NPV Calculator
Value a series of cash flows in today’s dollars.
IRR Calculator
Find the break-even discount rate of a project.
Payback Period Calculator
See how many years to recover an investment.
Annuity Calculator
Work out the fixed payment from a present sum.
WACC Calculator
Blend a company’s debt and equity costs.
Investment Fee Calculator
See how fees quietly eat returns.
Expense Ratio Impact Calculator
The long-run cost of a fund’s expense ratio.
Crypto CAGR Calculator
Annualized growth for a crypto holding.
Stock CAGR Calculator
The smoothed annual return of a stock.
Roth IRA CAGR Calculator
Growth of tax-free retirement savings.
Profit & Margin
Profit Margin Calculator
See what share of revenue is profit.
Margin Calculator
Calculate the profit margin from revenue and cost.
Markup Calculator
Find the markup over cost.
Markup vs Margin Calculator
Convert between markup and margin.
Contribution Margin Calculator
See how much each sale covers fixed costs.
Gross Margin Calculator
Measure profitability before overhead.
Net Profit Margin Calculator
The bottom-line percentage after all costs.
Break Even Calculator
Find the sales needed to stop losing money.
Breakeven Point Calculator
Locate the point where profit begins.
Break Even Units Calculator
Get the exact unit count to break even.
Small Business Break Even Calculator
Break-even with payroll in the picture.
Real Estate & Credit
Cap Rate Calculator
Compare income property at a glance.
Cash on Cash Return Calculator
Return on the cash you actually put in.
DSCR Calculator
Can the property cover its debt?
LTV Calculator
The loan-to-value ratio lenders watch.
Debt to Income Calculator
Your debt burden as a percentage.
Startups & SaaS
Burn Rate Calculator
How fast a company spends cash.
Runway Calculator
Months until the money runs out.
Customer Acquisition Cost Calculator
The cost to win one customer.
LTV CAC Calculator
Is the unit economy healthy?
Unit Economics Calculator
Profit per customer after acquisition.
Churn Rate Calculator
The leak in your customer base.
MRR Calculator
Monthly recurring revenue at a glance.
ARR Calculator
Annualize your recurring revenue.