Length Converter
Enter a length, choose your units and get the answer straight away, with the working underneath. Useful to remember: 1 inch is exactly 2.54 cm and 1 mile is exactly 1.609344 km.
Enter a value
Result
1 metres =
3.28084 ft
1 × 3.28084 = 3.28084
1 inch = 2.54 cm exactly · 1 mile = 1.609344 km exactly
Show the working
- 1. Convert 1 m to metres: 1 × 1 = 1.
- 2. Convert to ft: 1 ÷ 0.3048 = 3.28084.
1 m in every unit
Handy reference lengths
- A4 sheet (long side)
- 29.7 cm
- Standard door height
- 2.03 m
- Football pitch
- 105 m
- Marathon
- 42.195 km
Good to know: To go from centimetres to inches, divide by 2.54.
About this tool
Convert length between metric and imperial units — used in construction, engineering, tailoring, and everyday measurement.
Formula
value × (fromUnit factor ÷ toUnit factor), where factors are relative to centimeters.
Reference values
- 1 inch = 2.54 cm
- 1 foot = 30.48 cm
- 1 meter = 100 cm
Questions people ask
How many centimetres are in an inch?
Exactly 2.54 cm.
How do I convert feet and inches to centimetres?
Multiply the feet by 30.48, multiply the inches by 2.54, then add the two.
What is the difference between a mile and a nautical mile?
A statute mile is 1,609.344 m. A nautical mile is 1,852 m, about 1.15 statute miles, and is used at sea and in the air.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
Spotted a mistake? Tell us and we'll check it. How we check our calculators