Finance calculators
Loans, interest, savings, taxes, investing and everyday money math — with amortization-grade accuracy and the formulas shown.
Mortgage Calculator
Monthly payment, total interest and full cost of a home loan.
Loan Calculator
Monthly payment and total interest for any fixed-rate loan.
Auto Loan Calculator
Car loan payments including sales tax, down payment and trade-in.
Compound Interest Calculator
How money grows when interest earns interest, with optional regular contributions.
Simple Interest Calculator
Interest on the original principal only: I = P × r × t.
Savings Calculator
Grow a savings balance with monthly deposits and interest.
Retirement Calculator
Project your retirement savings from now to your retirement age.
ROI Calculator
Return on investment, net gain and annualized return.
CAGR Calculator
Compound annual growth rate between two values.
Present Value Calculator
What a future sum is worth in today's money.
Future Value Calculator
What a sum invested today will grow to.
Annuity Calculator
Future and present value of a series of equal payments.
APR Calculator
The true annual percentage rate of a loan, fees included.
Credit Card Payoff Calculator
Months to clear a card balance and the interest it will cost.
Debt-to-Income Ratio Calculator
Front-end and back-end DTI ratios lenders use to judge applications.
Income Tax Calculator (US Federal)
Estimate 2024 US federal income tax, effective and marginal rates.
Salary to Hourly Wage Calculator
Convert an annual salary to hourly, weekly and monthly pay.
Tip Calculator
Tip amount, total bill and the split per person.
Discount Calculator
Sale price and savings from a percentage discount.
Sales Tax Calculator
Add sales tax to a price, or extract it from a total.
Profit Margin Calculator
Gross profit, margin percentage and markup from revenue and cost.
Markup Calculator
Selling price from cost and markup percentage.
Break-Even Calculator
Units and revenue needed to cover all costs.
Inflation Calculator
Future prices and the shrinking purchasing power of money.
Savings Goal Calculator
The monthly deposit needed to hit a target by a deadline.
Exchange Rate Calculator
Convert an amount at an exchange rate you supply.