Mm to feet converter
Reading a metric model on an imperial sheet means turning millimetres into feet and inches, not just decimal feet. Divide by 304.8 for decimal feet; the feet-and-inches figure below is what goes on a US drawing.
mm to feet converter
- Feet
- 0.0328ft
- Feet and inches
- 0' 0.39"
- Inches
- 0.394in
Formula
feet = mm × 0.00328083989501312331 mm = 0.00328084 ft (1 ft = 304.8 mm exactly). The factor comes from the exact definition 1 in = 25.4 mm, so the conversion itself loses no precision — only rounding does.
Worked examples
| Input | Result |
|---|---|
| 1 mm | 0.0033 ft |
| 10 mm | 0.0328 ft |
mm to feet — common values
Exact values at 0.0032808398950131233 ft per mm.
| Mm | Feet |
|---|---|
| 1 mm | 0.0033 ft |
| 10 mm | 0.0328 ft |
| 50 mm | 0.164 ft |
| 100 mm | 0.3281 ft |
| 300 mm | 0.9843 ft |
| 500 mm | 1.6404 ft |
| 600 mm | 1.9685 ft |
| 900 mm | 2.9528 ft |
| 1,000 mm | 3.2808 ft |
| 1,200 mm | 3.937 ft |
| 1,500 mm | 4.9213 ft |
| 1,800 mm | 5.9055 ft |
| 2,000 mm | 6.5617 ft |
| 2,100 mm | 6.8898 ft |
| 2,400 mm | 7.874 ft |
| 2,700 mm | 8.8583 ft |
| 3,000 mm | 9.8425 ft |
| 3,600 mm | 11.811 ft |
| 4,000 mm | 13.1234 ft |
| 5,000 mm | 16.4042 ft |
| 6,000 mm | 19.685 ft |
| 10,000 mm | 32.8084 ft |
Questions
How do I convert mm to feet?
Divide by 304.8. For example, 2400 mm ÷ 304.8 = 7.874 ft, which reads 7' 10.49" on an imperial sheet.
How many mm is 1 foot?
Exactly 304.8 mm, because one foot is 12 inches of exactly 25.4 mm each.
Why is 1200 mm not exactly 4 feet?
4 ft is 1219.2 mm. Metric 1200 mm panels are 19.2 mm short of a 4 ft module, which matters when metric and imperial products meet on one grid.
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