Unit Conversion Calculators

Convert length between meters, kilometers, centimeters, millimeters, inches, feet, yards, and miles with conversion steps.

Convert weight and mass between kilograms, grams, milligrams, pounds, ounces, stones, and tons.

Convert Celsius, Fahrenheit, and Kelvin temperatures with formulas and absolute-zero validation.

Convert volume between liters, milliliters, cubic meters, cups, pints, quarts, gallons, tablespoons, and teaspoons.

Convert area between square meters, square feet, acres, hectares, square miles, and square yards.

Convert speed between mph, km/h, m/s, ft/s, and knots with direct conversion factors.

Convert cooking volumes between teaspoons, tablespoons, cups, fluid ounces, pints, quarts, gallons, milliliters, and liters.

Convert digital storage between bits, bytes, KB, KiB, MB, MiB, GB, GiB, TB, and TiB.

Convert angles between degrees, radians, gradians, turns, arcminutes, and arcseconds.

Convert energy between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, and foot-pounds.

Convert power between watts, kilowatts, horsepower, BTU per hour, and foot-pounds per second.

Convert pressure between pascals, kilopascals, bar, atmospheres, psi, torr, and mmHg.

Convert force between newtons, kilonewtons, pound-force, kilogram-force, dyne, and poundals.

Convert torque between newton-meters, pound-feet, pound-inches, kilogram-force meters, and ounce-inches.

Convert acceleration between meters per second squared, feet per second squared, standard gravity, and gal.

Convert density between kg/m^3, g/cm^3, g/mL, lb/ft^3, lb/gal, and slug/ft^3.

Convert frequency between hertz, kilohertz, megahertz, gigahertz, terahertz, cycles per minute, and rpm.

Convert flow rate between liters per second, liters per minute, cubic meters per hour, gallons per minute, and cubic feet per second.

Convert data transfer rates between bits per second, bytes per second, Mbps, Gbps, MB/s, and GiB/s.

Convert typography units between points, picas, CSS pixels, inches, millimeters, centimeters, and ems.

Convert illuminance between lux, foot-candles, phot, and nox.

Convert magnetic flux density between tesla, millitesla, microtesla, gauss, and gamma.

Convert electric charge between coulombs, millicoulombs, microcoulombs, amp-hours, milliamp-hours, and elementary charges.

Convert dynamic viscosity between pascal-seconds, centipoise, poise, pound-force seconds per square foot, and slug per foot-second.

Convert angular speed between radians per second, degrees per second, revolutions per minute, hertz, and turns per second.

Convert mass flow rate between kg/s, kg/min, kg/h, g/s, lb/s, lb/min, and lb/h.

Convert thermal conductivity between W/(m K), kW/(m K), BTU/(h ft F), cal/(s cm C), and kcal/(h m C).

Convert specific volume between m^3/kg, L/kg, cm^3/g, mL/g, ft^3/lb, and in^3/lb.

Convert heat flux between W/m^2, kW/m^2, W/cm^2, BTU/(h ft^2), and cal/(s cm^2).

Convert surface tension between N/m, mN/m, dyn/cm, gram-force/cm, and pound-force/ft.

Convert mass moment of inertia between kg m^2, kg cm^2, g cm^2, lb ft^2, lb in^2, and oz in^2.

Convert thermal diffusivity between m^2/s, cm^2/s, mm^2/s, ft^2/s, in^2/s, stokes, and centistokes.

Convert heat transfer coefficient units between W/(m^2 K), kW/(m^2 K), BTU/(h ft^2 F), and calorie-based units.

Convert area-normalized thermal resistance between m^2 K/W, RSI, US R-value, clo, and h ft^2 F/BTU units.

Convert specific heat capacity between J/(kg K), kJ/(kg K), cal/(g C), kcal/(kg C), BTU/(lb F), and Wh/(kg K).

Convert kinematic viscosity between m^2/s, mm^2/s, cm^2/s, stokes, centistokes, ft^2/s, and in^2/s.