Unit converter
Length Converter
Convert common metric and imperial length units, including metres, kilometres, feet, inches, and miles.
How the length converter works
Convert through metres: result = value × source factor ÷ target factor. One inch is exactly 0.0254 metres. Choose the source and target units above. Your conversion is calculated locally in your browser.
1 metre = 100 centimetres.
12 inches = 1 foot.
1 mile = 1,609.344 metres.
Frequently asked questions
How do I use this unit converter?
Enter a value, choose its current unit and the unit you want, then select Convert. The result is calculated in your browser.
Can I convert decimal values?
Yes. Decimal values are supported and the result is rounded only for display.
Are these conversions exact?
The calculator uses the conversion factors shown in its formula. Display rounding can hide digits, so retain more precision when needed.
Can I enter zero or a negative number?
Zero is valid. Negative values are accepted for temperature and angle conversions; other physical quantities must be zero or positive.
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