Convert length, weight, area, volume, speed and temperature instantly.
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How to convert units
1Pick the typeLength, weight, temperature, area, volume or speed.
2Type the value and unitsChoose what to convert from and to.
3See the answerExact conversions, updated as you type.
Questions people ask
How many cm in an inch?
1 inch = 2.54 cm exactly.
How do I convert °C to °F?
°F = °C × 9/5 + 32. So 37 °C = 98.6 °F.
How many kg is a pound?
1 lb = 0.45359237 kg, so 1 kg ≈ 2.2046 lb.
Acre to hectare?
1 acre = 0.404686 hectare; 1 hectare ≈ 2.471 acres.