Whether you are converting kilometres to miles for a road trip, metres to feet for a building project, or inches to centimetres for clothing sizes, this free length converter gives you instant, accurate results. Select any unit from the dropdown, type your value, and the result updates in real time.
How to Use This Converter
- 01
Choose your source unit
Click the top dropdown and pick the unit you already know — e.g. kilometres, miles, feet, or inches.
- 02
Type the value
Enter any number in the top field. The converter accepts decimals and large numbers.
- 03
Pick your target unit
Select the unit you want in the bottom dropdown. The converted value updates instantly.
- 04
Swap and explore
Hit the swap button to reverse the conversion. Use the quick chips for common everyday scenarios.
Length Unit Reference Table
| Unit | Symbol | Equivalent in metres |
|---|---|---|
| Kilometre | km | 1,000 m |
| Metre | m | 1 m (base unit) |
| Centimetre | cm | 0.01 m |
| Millimetre | mm | 0.001 m |
| Mile | mi | 1,609.344 m |
| Yard | yd | 0.9144 m |
| Foot | ft | 0.3048 m |
| Inch | in | 0.0254 m |
| Nautical Mile | nmi | 1,852 m |
| Astronomical Unit | AU | 1.496 × 10¹¹ m |
Frequently Asked Questions
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Try our Weight Converter and Temperature Converter — same clean, instant interface.