- Donna Mills
- Published 8 Sept 2026
- Last Modified 29 Oct 2026
- 5 min
Length Conversion Calculator
Use our handy length conversion calculator to accurately convert length measurements into the units you require.
Our handy length conversion calculator will automatically convert any given length measurement into the different units of measurement you need. It enables you to easily convert all length measurements with a simple, single-input tool providing an all-in-one solution to your length conversion requirements.
Simply input your existing measurement, select your desired output units, and then click “calculate” to enable the tool to provide your necessary length conversion.
A range of different units of measurement have been used historically and around the world. Over time, these units became standardised and much more consistent, meaning that now just a few universal measurements are used for conversions of length. This includes both imperial and metric measurement units.
Imperial Length Conversion Chart
Starting | Multiplier | Ending |
|---|---|---|
| Inch (in) | 0.0833333 | Foot (ft) |
| Inch (in) | 0,0277778 | Yard (yd) |
| Inch (in) | 1.5783e-5 | Mile (mi) |
| Inch (in) | 25.4 | Millimetre (mm) |
| Inch (in) | 2.54 | Centimetre (cm) |
| Inch (in) | 0.0254 | Metre (m) |
| Inch (in) | 2.54e-5 | Kilometre (km) |
| Foot (ft) | 12 | Inch (in) |
| Foot (ft) | 0.333333 | Yard (yd) |
| Foot (ft) | 0.000189394 | Mile (mi) |
| Foot (ft) | 304.8 | Millimetre (mm) |
| Foot (ft) | 30.48 | Centimetre (cm) |
| Foot (ft) | 0.3048 | Metre (m) |
| Foot (ft) | 0.0003048 | Kilometre (km) |
| Yard (yd) | 36 | Inch (in) |
| Yard (yd) | 3 | Foot (ft) |
| Yard (yd) | 0.000568182 | Mile (mi) |
| Yard (yd) | 914.4 | Millimetre (mm) |
| Yard (yd) | 91.44 | Centimetre (cm) |
| Yard (yd) | 0.9144 | Metre (m) |
| Yard (yd) | 0.0009144 | Kilometre (km) |
| Mile (mi) | 63360 | Inch (in) |
| Mile (mi) | 5280 | Foot (ft) |
| Mile (mi) | 1760 | Yard (yd) |
| Mile (mi) | 1.609e+6 | Millimetre (mm) |
| Mile (mi) | 160934 | Centimetre (cm) |
| Mile (mi) | 1609.34 | Metre (m) |
| Mile (mi) | 1.60934 | Kilometre (km) |
Metric Length Conversion Chart
Starting | Multiplier | Ending |
|---|---|---|
| Millimetre (mm) | 0.0393701 | Inch (in) |
| Millimetre (mm) | 0.00328084 | Foot (ft) |
| Millimetre (mm) | 0.00109361 | Yard (yd |
| Millimetre (mm) | 6.2137e-7 | Mile (mi) |
| Millimetre (mm) | 0.1 | Centimetre (cm) |
| Millimetre (mm) | 0.001 | Metre (m) |
| Millimetre (mm) | 1e-6 | Kilometre (km) |
| Centimetre (cm) | 0.393701 | Inch (in) |
| Centimetre (cm) | 0.0328084 | Foot (ft) |
| Centimetre (cm) | 0.0109361 | Yard (yd) |
| Centimetre (cm) | 6.2137e-6 | Mile (mi) |
| Centimetre (cm) | 10 | Millimetre (mm) |
| Centimetre (cm) | 0.01 | Metre (m) |
| Centimetre (cm) | 1e-5 | Kilometre (km) |
| Metre (m) | 39.3701 | Inch (in) |
| Metre (m) | 3.28084 | Foot (ft) |
| Metre (m) | 1.09361 | Yard (yd) |
| Metre (m) | 0.000621371 | Mile (mi) |
| Metre (m) | 1000 | Millimetre (mm) |
| Metre (m) | 100 | Centimetre (cm) |
| Metre (m) | 0.001 | Kilometre (km) |
| Kilometre (km) | 39370.1 | Inch (in) |
| Kilometre (km) | 3280.84 | Foot (ft) |
| Kilometre (km) | 1093.61 | Yard (yd) |
| Kilometre (km) | 0.621371 | Mile (mi) |
| Kilometre (km) | 1e+6 | Millimetre (mm) |
| Kilometre (km) | 100000 | Centimetre (cm) |
| Kilometre (km) | 1000 | Metre (m) |
It can be tricky to convert a length measurement from one unit to another, or from the metric to the imperial system, for example. However, accurate and precise measurements are often essential, meaning that a handy calculator like our tool above can prove to be an invaluable tool for quickly and easily converting lengths from one unit or system to another.
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Donna is a Senior SEO Specialist at RS, specialising in the creation and optimisation of industry-led content. Passionate about connecting audiences with valuable information, she develops a wide range of resources, including industry insights and engineering calculators, designed to help professionals solve real-world challenges. At the weekend you might catch her in her Volkswagen Campervan, enjoying musical theatre, reading, and spending time with family and friends.