Convert between common units in seconds. Pick a category – length, weight or temperature – enter a value and get the converted result instantly. Free, instant and private, with no sign-up needed.
How to Use
- Choose a category: length, weight or temperature.
- Enter the value and pick the units to convert from and to.
- Click Convert to see the result, or Swap to flip the direction.
Key Features
- Three categories – length, weight and temperature in one tool.
- Metric and imperial – kilometres to miles, kilograms to pounds and more.
- Swap button – reverse the conversion direction in one click.
- 100% private – everything runs in your browser; nothing is sent anywhere.
FAQs
Is this unit converter free?
Yes. It is completely free with no sign-up and no limits.
Which units are supported?
Length covers millimetres to miles, weight covers grams to pounds, and temperature covers Celsius, Fahrenheit and Kelvin.
How accurate are the conversions?
Conversions use standard international factors and results are shown to six decimal places, which is plenty for everyday use.
Is my data stored anywhere?
No. The conversion runs entirely in your browser and nothing is transmitted or saved.
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