Math & Numbers
Unit Converter
Convert between common units of length, weight, temperature, area, and volume.
Convertissez longueur, poids, température et plus
Conversion Categories
Length
km, miles, feet, inches, cm, mm, nautical miles, and more.
Weight & Mass
kg, lbs, oz, grams, tons — metric and imperial.
Temperature
Celsius ↔ Fahrenheit ↔ Kelvin.
Volume & Speed
liters, gallons, m³, km/h, mph, and dozens more.
How to Convert Units
- Select the measurement category (e.g., Length).
- Enter your value and choose the source unit.
- Select the target unit — the conversion appears instantly.
FAQ
How accurate are the conversions?▾
All conversions use standard internationally recognized conversion factors and are accurate to at least 6 decimal places.
Can I convert between metric and imperial?▾
Yes — every category includes both metric and imperial units.
Common Conversions
- 1 mile = 1.60934 km
- 1 kg = 2.20462 lbs
- 0°C = 32°F
- 1 gallon (US) = 3.78541 liters
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