Convert feet to millimeters
1 ft = 304.8 mm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
304.8mm
As a fraction: 1524/5
1 ft = 304.8 mm
How to convert feet to millimeters
Multiply the number of feet by 304.8 to get millimeters.
The exact factor is 304.8 — as a fraction, 1524/5.
Foot: Exactly 0.3048 m, i.e. 12 international inches.
Foot to Millimeter conversion table
| Feet (ft) | Millimeters (mm) |
|---|---|
| 1 ft | 304.8 |
| 2 ft | 609.6 |
| 3 ft | 914.4 |
| 5 ft | 1524 |
| 10 ft | 3048 |
| 20 ft | 6096 |
| 25 ft | 7620 |
| 50 ft | 15 240 |
| 100 ft | 30 480 |
| 250 ft | 76 200 |
| 500 ft | 152 400 |
| 1000 ft | 304 800 |
Millimeter to Foot conversion table
| Millimeters (mm) | Feet (ft) |
|---|---|
| 1 mm | 0.003 280 839 9 |
| 2 mm | 0.006 561 679 8 |
| 3 mm | 0.009 842 519 7 |
| 5 mm | 0.016 404 199 |
| 10 mm | 0.032 808 399 |
| 20 mm | 0.065 616 798 |
| 25 mm | 0.082 020 997 |
| 50 mm | 0.164 041 99 |
| 100 mm | 0.328 083 99 |
| 250 mm | 0.820 209 97 |
| 500 mm | 1.640 419 9 |
| 1000 mm | 3.280 839 9 |
Frequently asked
How many millimeters are in a foot?
One foot equals 304.8 millimeters (ft → mm). That figure is exact, not rounded.
How do you convert feet to millimeters?
Multiply the number of feet by 304.8 to get millimeters.
What is 1 mm in feet?
One millimeter is 0.003280839895 feet.
What is 10 ft in mm?
10 ft = 3048 mm.
What exactly is a foot?
Exactly 0.3048 m, i.e. 12 international inches.