Feet to millimetres converter
Millimetres (mm)
1 foot = 304.8 millimetres
How to convert feet to millimetres
mm = ft × 304.8
Multiply the number of feet by 304.8 to get millimetres. Going the other way, divide by 304.8 (or multiply by 0.00328083989501).
One foot is exactly defined as 304.8 millimetres (to 12 significant figures), and one millimetre is 0.00328083989501 feet.
Worked examples
- Convert 5 feet: 5 × 304.8 = 1,524 1,524 millimetres.
- Convert 12.5 feet: 12.5 × 304.8 = 3,810 3,810 millimetres.
- Convert 250 feet: 250 × 304.8 = 76,200 76,200 millimetres.
Quick-reference table
| ft | mm |
|---|---|
| 1 | 304.8 |
| 2 | 609.6 |
| 3 | 914.4 |
| 5 | 1,524 |
| 10 | 3,048 |
| 15 | 4,572 |
| 20 | 6,096 |
| 25 | 7,620 |
| 50 | 15,240 |
| 75 | 22,860 |
| 100 | 30,480 |
| 1,000 | 304,800 |
| mm | ft |
|---|---|
| 1 | 0.003280839895 |
| 2 | 0.00656167979 |
| 3 | 0.009842519685 |
| 5 | 0.01640419948 |
| 10 | 0.03280839895 |
| 15 | 0.04921259843 |
| 20 | 0.0656167979 |
| 25 | 0.08202099738 |
| 50 | 0.1640419948 |
| 75 | 0.2460629921 |
| 100 | 0.3280839895 |
| 1,000 | 3.280839895 |
Related conversions
Frequently asked questions
How many millimetres are in 1 foot?
1 foot equals 304.8 millimetres.
What is the formula to convert feet to millimetres?
Use mm = ft × 304.8. Multiply the number of feet by 304.8 to get millimetres. Going the other way, divide by 304.8 (or multiply by 0.00328083989501).
What is 100 feet in millimetres?
100 feet is 30,480 millimetres.