Unit Converter
Convert between metric and imperial units. Pick a category, enter a value, and see the result instantly.
Common conversions
Length conversions are exact (1 inch = 2.54 cm, defined by international agreement). Weight conversions between metric and imperial use the international avoirdupois pound (1 lb = 0.453592 kg). Temperature conversion between Celsius and Fahrenheit uses the formula °F = °C × 9/5 + 32, while Kelvin is simply Celsius + 273.15.