Unit Converter
FREEConvert length, weight, temperature, volume, area, and speed between all common units.
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Select units and enter a value to convert
ℹ️ About Unit Converter
Unit Converter is a free online converter from Tools Coaster. Convert length, weight, temperature, volume, area, and speed between all common units. It runs entirely in your browser — no sign-up, no installs, and nothing you enter ever leaves your device.
📖 How to Use Unit Converter
1
Enter a value
Type the number you want to convert.
2
Pick the units
Choose the unit to convert from and the unit to convert to.
3
Let Unit Converter convert
The converted value appears instantly — no button needed.
4
Copy the result
Copy the precise converted value for your work.
💡 Examples
Unit conversion
INPUT
1 (from unit)→
OUTPUT
Converted value (to unit)🚀 Pro Tips
✓Full precision is shown — round to the decimal places your use case needs.
✓Remember handy benchmarks: 1 kg ≈ 2.2 lb, 1 mile ≈ 1.6 km.
✓Convert to metric (SI) first when doing multi-step calculations.
✓Very large and very small values display in scientific notation.
✓Everything runs locally in your browser — your input is never uploaded to a server, so it is safe for private or sensitive data.