Convert Foot to Millimetre
Instantly convert Foot (ft) to Millimetre (mm). Free and accurate.
About This Conversion
What is a Foot to Millimetre conversion?
One foot (ft) is equal to 304.8 millimetre (mm). This relationship is fixed by international measurement standards and does not change. To convert any number of foot to millimetre, multiply your value by 304.8; to go the other way, divide by 304.8.
How to convert Foot to Millimetre
The conversion formula is: 1 ft = 304.8 mm. Enter any value into the converter above and the result updates instantly. The formula is also shown alongside the answer so you can check the working or use it in your own calculations.
Where is this conversion used?
Length conversions are needed in construction, interior design, navigation, athletics, and everyday shopping — particularly when switching between metric and imperial products. Engineers, architects, surveyors, scientists, and runners regularly convert between units of length. Metric units (metres, kilometres) are the global standard, while miles, feet, and inches remain common in the United States and, to some degree, the United Kingdom.
Helpful tip
When measuring fabric, timber, or piping, always double-check which unit system your supplier uses before placing an order — a mix-up between feet and metres can be costly.
Formula
1 ft = 304.8 mm
ft to mm Conversion Table
| ft | mm |
|---|---|
| 0.1 ft | 30.48 mm |
| 0.5 ft | 152.4 mm |
| 1 ft | 304.8 mm |
| 2 ft | 609.6 mm |
| 5 ft | 1,524 mm |
| 10 ft | 3,048 mm |
| 20 ft | 6,096 mm |
| 25 ft | 7,620 mm |
| 50 ft | 15,240 mm |
| 100 ft | 30,480 mm |
| 250 ft | 76,200 mm |
| 500 ft | 152,400 mm |
| 1000 ft | 304,800 mm |