Basic Conversions
Length Converter
Meters, kilometers, miles, feet, inches, yards, nautical miles.
Weight Converter
Kilograms, grams, pounds, ounces, stones, tons.
Volume Converter
Liters, gallons, cups, milliliters, fluid ounces.
Temperature Converter
Celsius, Fahrenheit, Kelvin, Rankine.
Area Converter
Square meters, square feet, acres, hectares.
Time Converter
Seconds, minutes, hours, days, weeks, years.
Speed Converter
km/h, mph, m/s, knots, ft/s.
Pressure Converter
Pascal, bar, atm, psi, torr, mmHg.
Energy Converter
Joules, calories, kWh, BTU, eV.
Power Converter
Watts, kilowatts, horsepower variants.
Popular Individual Converters
Kilometers to Miles
km → mi
Miles to Kilometers
mi → km
Meters to Feet
m → ft
Feet to Meters
ft → m
Centimeters to Inches
cm → in
Inches to Centimeters
in → cm
Kilograms to Pounds
kg → lb
Pounds to Kilograms
lb → kg
Celsius to Fahrenheit
°C → °F
Fahrenheit to Celsius
°F → °C
Liters to Gallons
L → gal
km/h to mph
km/h → mph
Bar to PSI
bar → psi
MB to MiB
MB → MiB
GB to GiB
GB → GiB
Acres to Hectares
ac → ha
Cups to Grams
cup → g
MPG to L/100 km
US MPG → L/100 km
Categories
Basic
Everyday physical quantities.
20 toolsDigital
Data, bases, resolution.
20 toolsElectrical
Volts, amps, ohms, farads.
15 toolsScience
Advanced physics and chemistry.
25 toolsEngineering
Concrete, rebar, board feet.
20 toolsCooking
Cups, grams, temperatures.
10 toolsGeography
Nautical miles, coordinates.
15 toolsLifestyle
Sizes, fabric, paper.
15 toolsAutomotive
Fuel economy, torque, HP.
15 toolsChemistry
Molarity, ppm, glucose.
15 toolsMathematics
Fractions, bases, logs.
15 toolsAstronomy
Light-years, parsecs, c.
15 tools