About feet and millimetres
A foot (ft) is an imperial and US unit of length equal to 12 inches, or exactly 0.3048 metres.
A millimetre (mm) is one thousandth of a metre. It is used for small measurements in engineering, manufacturing and rainfall.
How the conversion works
Converts feet to millimetres, and back again. Type a value in either box and the other one updates as you type. The conversion uses 1 foot = 304.8 millimetres.
Foot to Millimetre conversion table
| feet | millimetres |
|---|---|
| 1 foot | 304.8 millimetres |
| 2 feet | 609.6 millimetres |
| 5 feet | 1,524 millimetres |
| 10 feet | 3,048 millimetres |
| 25 feet | 7,620 millimetres |
| 50 feet | 15,240 millimetres |
| 100 feet | 30,480 millimetres |
| 1,000 feet | 304,800 millimetres |
How to use it
- Enter a value in feet to see it in millimetres, or type in the other box to convert the opposite way.
- Check the quick conversion table below for common values.
- To convert by hand, multiply the number of feet by 304.8.
Did you know?
- Aircraft altitude is given in feet in most parts of the world, even in countries that use metric units for everything else.
- A standard bank card is 0.76 millimetres thick.