Length Converter
Convert between metric and imperial length units: cm, m, km, inch, foot, yard and mile — instantly and accurately.
Length Converter
Conversion Formula
1 inch = 2.54 cm · 1 foot = 0.3048 m · 1 yard = 0.9144 m · 1 mile = 1.609344 km
Common Length Conversions
| From | Equals | Also |
|---|---|---|
| 1 cm | 0.393701 in | 10 mm |
| 1 m | 3.28084 ft | 100 cm |
| 1 km | 0.621371 mi | 1000 m |
| 1 inch | 2.54 cm | 25.4 mm |
| 1 foot | 30.48 cm | 12 inches |
| 1 mile | 1.609344 km | 5280 ft |
How to Convert Length Units
- Enter the length you want to convert (e.g. 100).
- Choose the From unit — e.g. Centimetre.
- Choose the To unit — e.g. Inch.
- Click Convert to get an instant result.
Metric & Imperial
Supports millimetres, centimetres, metres, kilometres, inches, feet, yards, miles and nautical miles.
Accurate Results
Uses exact conversion factors — 1 inch = 2.54 cm, 1 mile = 1.609344 km, etc.
Free & Instant
No registration, no ads interrupting your work, no limits. Convert as many times as you need.
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Frequently Asked Questions
How many centimetres are in an inch?
1 inch = 2.54 centimetres exactly.
How do I convert cm to feet?
Divide the value in centimetres by 30.48. Example: 180 cm ÷ 30.48 = 5.9055 ft.
How many metres are in a mile?
1 mile = 1,609.344 metres (exactly).
Is this length converter accurate?
Yes. It uses exact conversion factors defined by international standards.
Does it work on mobile?
Yes. The converter works in any modern browser on desktop, tablet or mobile.
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