CONVERTED LENGTH
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Enter a length and choose units to convert.
This calculator converts common metric and imperial length units.
How to convert length
Length conversion means changing a measurement from one unit into another, such as centimetres to inches, metres to feet or miles to kilometres.
Example: 10 feet to metres
1 foot = 0.3048 metres
10 feet = 3.048 metres
What this calculator is for
This length converter helps convert between millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
It may be useful for DIY, travel, construction, measuring rooms, furniture sizes, fitness distances, school work, product dimensions or general everyday measurements.
Metric and imperial length units
Metric units include millimetres, centimetres, metres and kilometres. Imperial units include inches, feet, yards and miles.
Important note
This calculator is for general informational purposes only. For technical, engineering, legal or safety-critical measurements, always check figures using the required professional standard.
Frequently Asked Questions
What length units can I convert?
You can convert millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
Does this calculator show metric and imperial equivalents?
Yes. The breakdown shows the entered length converted into both metric and imperial units.
How many centimetres are in an inch?
There are 2.54 centimetres in 1 inch.
How many metres are in a foot?
There are 0.3048 metres in 1 foot.
How many kilometres are in a mile?
There are approximately 1.609 kilometres in 1 mile.