Finance Calculators

Monthly payment, total interest and a full amortization schedule.

Monthly payment and total interest, both repayment methods compared.

Final balance and year-by-year growth, with monthly deposits.

Monthly payment, amount financed and total interest on a car loan.

Convert between 32 currencies, with your own rate if you have one.

Turn a salary or hourly wage into take-home pay, paycheck by paycheck.

What an amount in one year is worth in another, with official CPI-U data through 2024.

Full payment schedule — and what an extra monthly payment saves you.

Balance at retirement and the age your savings run out.

Add or remove sales tax, with US state base rates built in.

2025 federal income tax by bracket, plus a flat state rate you enter.

Profit margin, markup and the price you need for a target margin.

How long it takes to reach a savings goal — or what to save each month.

Sale price, savings and the effective discount — with stacking done right.

The true annual cost of a loan once upfront fees are counted.

Return on investment, profit and the annualized return on your money.

Price an item from a target markup, with the profit margin it implies.

Add or remove VAT/GST, with standard rates for 27 countries built in.

Months to clear a card balance, the interest it costs, and the minimum trap.

Snowball vs avalanche: payoff order, timeline and total interest.

Monthly payment, total interest and payoff date — with the extra-payment effect.