600+ calculators for finance, health, math, conversions and more. Fast, accurate, and completely free.
Financial calculators for loans, investments, taxes and more
Health, nutrition, fitness and medical calculators
Math calculators for algebra, geometry, statistics and more
Convert between units of length, weight, temperature and more
Construction and building material calculators
Everyday calculators for time, dates, auto, home and more
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Physics, chemistry, astronomy and electrical calculators
Calculate your monthly mortgage payment, total interest, and amortization schedule.
Calculate investment growth with compound interest over time.
Calculate tip amount and total bill with gratuity.
Calculate your Body Mass Index based on height and weight.
Calculate daily calorie needs for weight loss, maintenance, or gain.
Calculate percentages of any number
Convert kilometers to miles instantly.
Calculate concrete volume, bags needed, and cost
