Unit Converter
Free unit converter — updated for 2025. Accurate, instant, no sign-up needed.
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Unit Converter
Length, weight, temperature, volume, speed & area
Result
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Common Conversions
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Quick Reference
- Length: 1 inch = 2.54 cm · 1 foot = 0.3048 m · 1 mile = 1.60934 km
- Weight: 1 lb = 0.45359 kg · 1 oz = 28.3495 g
- Temperature: °C = (°F − 32) × 5/9 · K = °C + 273.15
- Volume: 1 gallon = 3.78541 L · 1 cup = 236.6 mL