Unit Converter

Convert between length, weight, and temperature units instantly — with a full conversion table showing all units in the selected category at once. Switch between metric and imperial, or use the swap button to reverse the direction. Results are shown to 8 significant figures for precision without unnecessary clutter.

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Frequently Asked Questions

What unit categories are available?
The tool covers Length (mm, cm, m, km, in, ft, yd, mi), Weight (mg, g, kg, t, oz, lb, st), and Temperature (°C, °F, K).
How is temperature conversion different from other units?
Length and weight use linear (proportional) conversions. Temperature uses offset formulas: °F = °C × 9/5 + 32, and K = °C + 273.15. This means 0°C ≠ 0°F.
How accurate are the conversions?
All conversion factors are based on exact or high-precision definitions. Results are shown to up to 8 significant figures, which is sufficient for virtually all practical uses.

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