Unit Converter
Convert between different units of measurement instantly. Free, fast, and no registration required.
General Physics
Length
Kilometers, miles, meters, feet, inches and more
Weight & Mass
Kilograms, pounds, grams, ounces and more
Temperature
Celsius, Fahrenheit, Kelvin
Speed
km/h, mph, knots and more
Area
Square meters, hectares, acres and more
Volume
Liters, gallons, cups and more
Time
Seconds, minutes, hours, days and more
Energy
Joules, calories, kWh and more
Pressure
Pascals, bar, PSI and more
Angles
Degrees, radians, gradians
Frequency
Hertz, kilohertz, megahertz, RPM
Force
Newtons, pound-force, kilogram-force
Power
Watts, kilowatts, horsepower and more
Torque
Newton-meters, foot-pounds, kilogram-meters
Density
kg/m³, g/cm³, lb/ft³ and more
Fuel Consumption
km/L, L/100km, MPG and more
Illuminance
Lux, foot-candle, phot
Acceleration
m/s², ft/s², g-force, Gal and more
Angular Velocity
rad/s, deg/s, RPM, rev/s
Technology & Computing
Thermodynamics & Fluids
Thermal Conductivity
W/(m·K), BTU/(h·ft·°F) and more
Heat Transfer Coefficient
W/(m²·K), BTU/(h·ft²·°F) and more
Thermal Resistance
RSI, R-value, clo
Specific Heat Capacity
J/(kg·K), cal/(g·°C), BTU/(lb·°F) and more
Entropy
J/K, cal/°C, BTU/°R and more
Specific Enthalpy
J/kg, kJ/kg, BTU/lb and more
Heat Flux
W/m², BTU/(h·ft²) and more
Dynamic Viscosity
Pa·s, centipoise, poise and more
Kinematic Viscosity
m²/s, centistoke, stoke and more
Mass Flow Rate
kg/s, lb/s, g/s and more
Flow Rate
L/min, L/s, m³/h, gal/min
Electricity & Magnetism
Voltage
Volts, millivolts, kilovolts and more
Electric Current
Amperes, milliamperes, kiloamperes and more
Electrical Resistance
Ohms, kilohms, megaohms and more
Capacitance
Farads, microfarads, picofarads and more
Inductance
Henrys, millihenrys, microhenrys and more
Electric Charge
Coulombs, ampere-hours, milliampere-hours and more
Magnetic Flux Density
Tesla, gauss, millitesla and more
Magnetic Field Strength
A/m, oersted, kA/m and more