Length
<!-- Swap -->
<div class="uc-swap-col">
<button class="uc-swap-btn" onclick="ucSwap()" title="Swap units">⇆</button>
</div>
<!-- Output -->
<div class="uc-field">
<label>To</label>
<select id="uc-to-unit" onchange="ucConvert()"></select>
<input type="number" id="uc-to-val" readonly placeholder="Result" />
</div>
Enter a value to see the conversion formula.
Common Length Conversions
| From | To | Multiply by |
|---|
How to Use This Unit Converter
- Select a category using the tabs at the top — Length, Weight, Temperature, Volume, Area, Speed, Time, or Data.
- Choose your units from the “From” and “To” dropdown menus.
- Type a value in the left input field. The result appears instantly on the right.
- Swap the direction at any time using the swap button between the two fields — the result becomes the new input.
- Read the formula shown below the fields to understand exactly how the conversion is calculated.
For Data conversions, you can switch between SI (decimal, base-1000) used by storage manufacturers and Binary (base-1024) used by operating systems.
Common Conversion References
| From | To | Multiply By |
|---|---|---|
| 1 inch | 2.54 centimeters | × 2.54 |
| 1 mile | 1.60934 kilometers | × 1.60934 |
| 1 kilogram | 2.20462 pounds | × 2.20462 |
| 1 liter | 0.264172 US gallons | × 0.264172 |
| 1 acre | 0.404686 hectares | × 0.404686 |
| 0 °C | 32 °F | (°C × 9/5) + 32 |
| 1 m/s | 3.6 km/h | × 3.6 |
| 1 GB (SI) | 1,000 MB | × 1,000 |
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