Feet to Millimetres (ft to mm)
1 ft = 304.8 mm. Multiply feet by 304.8; the box below does it both ways.
millimetres
2 ft = 609.6 mm · millimetres to feet page
How to convert feet to millimetres
- Take the value in feet.
- Multiply by 304.8 (because 1 ft = 304.8 mm).
- Example: 2 ft × 304.8 = 609.6 mm.
- Going back: divide by 304.8, or multiply by 0.00328084.
Where this comes up
Multiply by 304.8. Useful the other way round from the carpenter’s quote: a 7 ft wardrobe is 2134 mm, a 6 ft 6 in bed is 1981 mm. Enter decimal feet (6.5 for 6 ft 6 in).
| ft | mm |
|---|---|
| 0.5 | 152.4 |
| 1 | 304.8 |
| 1.5 | 457.2 |
| 2 | 609.6 |
| 2.5 | 762 |
| 3 | 914.4 |
| 4 | 1,219.2 |
| 5 | 1,524 |
| 6 | 1,828.8 |
| 7 | 2,133.6 |
| 8 | 2,438.4 |
| 10 | 3,048 |
| 12 | 3,657.6 |
Questions people ask
How many millimetres are in 1 foot?
1 ft = 304.8 mm. To convert, multiply the foot value by 304.8.
What is 4 ft in mm?
4 ft is 1,219.2 mm.
How do I convert millimetres back to feet?
Divide by 304.8, or multiply by 0.00328084: 1 mm = 0.00328084 ft.
More length conversions
Millimetres to Feet (mm to ft) · m to ft · ft to m · cm to in · in to cm · cm to ft · ft to cm · mm to in · in to mm · ft to in · in to ft · all converters
Factors are the exact international definitions; last checked 2026-10-10.