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Free Length Converter

Convert between metres, kilometres, miles, feet, inches and other length units.

What is the Length Converter?

Convert between metres, kilometres, miles, feet, inches and other length units.

Enter a value and pick the units to convert between; the result appears instantly. It uses exact definitions such as 1 inch = 2.54 cm, 1 foot = 0.3048 m and 1 mile = 1609.344 m.

Quick, reliable engineering arithmetic saves time on site and in the workshop. These tools show their working so you can check the result.

How to use the Length Converter

Using the length converter takes a minute or two. Your entries are saved in this browser, so you can come back later and carry on.

Step 1

Enter your values, choosing the units you are working in.

Step 2

Read the result and the supporting numbers shown beneath it.

Step 3

Check the result against a second method or a reference table before you rely on it.

Tips for better results

For a quick mental check, a kilometre is a little over half a mile, and a metre is a little over three feet.

Keep units consistent from start to finish.

These tools are for estimates. Safety critical designs need a qualified engineer.

Privacy and where your data goes

Everything you type into the length converter stays on your own device. Zapxa does not receive your numbers or documents. If you clear your browser data, your saved entries will be removed, so download a PDF of anything you want to keep.

Frequently asked questions

How many centimetres are in an inch?

Exactly 2.54 centimetres, by international definition.

How many feet are in a mile?

5,280 feet, and a mile is exactly 1609.344 metres.

Is the length converter free?

Yes. It is free to use with no signup, no watermark and no usage limits.

Is my data private?

Yes. Your inputs are processed in your browser and saved only in its local storage. They are not uploaded to our servers.

Does it work on mobile?

Yes. Zapxa works on phones, tablets and desktops. Use the print button or download a PDF to keep a copy.

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