Smart calculators for finance & health

15 free, accurate tools to help you plan your money, grow investments, run your business, and understand your health. No sign-up, no ads.

Finance

Calculate how your investments grow over time with the power of compound interest.

See your monthly payment, total interest, and amortization for any mortgage.

Estimate monthly payments and total cost for any personal, auto, or student loan.

Monthly breakdown of principal and interest over the life of a loan.

Calculate car loan payments with down payment and trade-in.

Visualize your path to becoming debt-free with the snowball method.

Calculate gains or losses on cryptocurrency trades.

See how dividend reinvestment grows your portfolio over decades.

Estimate how much you need to save monthly to retire comfortably.

Calculate net profit margin from product cost and selling price.

Calculate your ideal hourly rate as a freelancer.

Calculate return on investment for any business decision.

Calculate your net income after taxes and deductions.

Calculate how much you need for 3-6 months of expenses.

Calculate your Body Mass Index and understand what it means for your health.