Unit Converter

Convert between length, weight, and temperature.
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Convert units · How to use · FAQ · Related tools

Convert Units

Tip: Use the keyboard. Type a value and press Tab to jump, or Shift+Tab to go back.

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How to use

  1. Enter a number in the input field.
  2. Select the From and To units.
  3. The result updates instantly as you type or change units.
  4. Use the keyboard to move faster: Tab / Shift+Tab between fields.
  5. To reverse a conversion, just swap the dropdowns (e.g., km→m to m→km).

Tips

FAQ

How do I use the Unit Converter?

Enter a value, pick the From and To units, and the result updates instantly. Works for length, weight, and temperature.

Does this tool send data to a server?

No. All conversions are computed locally in your browser.

Why are there decimals in results?

Some unit ratios are non-terminating (e.g., miles to kilometers). We round to a reasonable number of decimals while keeping accuracy.

Are these conversions exact?

SI-based conversions are exact by definition (e.g., 1 km = 1000 m). Others like miles↔kilometers use standard precise constants.