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Solve everyday math, finance, statistics, health, and number problems with clear browser-based calculators.
Choose a tool below to start working immediately.
Convert numbers between binary, octal, decimal, and hexadecimal in any direction. Enter one base and all four results appear instantly — browser-only.
Math CalculatorsCalculate tip and total for any bill with preset percentages (10–25%) or a custom rate. Split among up to 100 people — see per-person breakdown instantly.
Math CalculatorsCalculate your exact age from any date of birth in years, months, and days. Also shows total days, weeks, hours, and minutes lived — results update instantly.
Math CalculatorsCalculate your Body Mass Index in metric (kg/cm) or imperial (lb/ft/in). Shows your BMI value, weight category, and healthy weight range instantly.
Math CalculatorsFind the Greatest Common Divisor and Least Common Multiple for 2 or more comma-separated numbers. Uses the Euclidean algorithm and BigInt for large integer accuracy.
Math CalculatorsCalculate monthly loan or mortgage payments, total interest paid, and view the full amortization schedule. Enter principal, interest rate, and loan term.
Math CalculatorsCalculate percentages in 3 modes: X% of Y, X is what % of Y, and % change between two values. The formula is shown alongside every answer.
Math CalculatorsCheck if any integer is prime, find its prime factorization, and list all divisors. Instant results for any number — runs in your browser.
Math CalculatorsAdvanced scientific calculator with trig (sin/cos/tan and inverses), sqrt, log, ln, π, e, factorial, and degrees/radians toggle. Includes calculation history.
Math CalculatorsCalculate mean, median, mode, Q1/Q3 quartiles, population and sample standard deviation, and variance. Enter comma-separated numbers for instant results.
Math Calculators