Unit Converters
Quick, exact conversions between metric and imperial units, each with a formula and a handy chart.
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CM to Inches
Convert centimeters to inches and back.
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KG to LBS
Convert kilograms to pounds and back.
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Height Converter
Feet and inches to cm, and cm to feet.
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Feet to Meters
Convert feet to meters and back.
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Celsius to Fahrenheit
Convert °C to °F and back.
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KM to Miles
Convert kilometers to miles and back.
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Unit Converter
Length, weight, temperature, volume, speed and area.
By Shah Rukh, software developer · Last updated:
Metric vs imperial
Most of the world uses the metric system (centimeters, kilograms, Celsius). The US mainly uses imperial units (inches, pounds, Fahrenheit), and the UK mixes both, for example miles on road signs and stone for body weight. All our converters use the official exact definitions: 1 inch = 2.54 cm and 1 pound = 0.45359237 kg.