The Unit Converter handles the most common conversions in one place — length (cm, inches, feet, metres), weight (kg, lbs, stone), temperature (Celsius, Fahrenheit, Kelvin), speed (km/h, mph) and volume. No formulas to remember.
Frequently Asked Questions
How many cm in an inch?
1 inch = 2.54 centimetres. So 12 inches (1 foot) = 30.48 cm.
How do you convert Celsius to Fahrenheit?
Multiply by 9/5 then add 32. So 20°C = (20 × 9/5) + 32 = 68°F. The converter does this instantly.
How many kg in a pound?
1 pound = 0.4536 kg. 1 kg = 2.2046 pounds.
How many km in a mile?
1 mile = 1.60934 km. 1 km = 0.62137 miles.