Calculator Uni — free online calculators

Run the numbers, properly.

Precise calculators for mortgages, macros, means, and everything in between — with clear results and charts that explain them.

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Estimate your monthly mortgage payment with taxes, insurance, and a full amortization schedule.

Check your body mass index and see where it falls on the healthy range.

Work out payments, total interest, and payoff time for any fixed-rate loan.

Find your daily calorie needs for maintenance, cutting, or bulking.

See how savings and investments grow with compounding over time.

Solve any percentage problem: percent of, percent change, and more.

Add, subtract, multiply, and divide fractions with simplified results.

Estimate car payments including trade-in value, sales tax, and dealer fees.

Financial math runs on exact decimal arithmetic — never floating-point guesswork.

Every result comes with the visualization that makes it make sense.

Calculations run entirely in your browser. Your numbers never leave your device.