1:20 Scale: ft to mm Reference Table
Quick reference for converting feet (ft) to millimeters (mm) at 1:20 scale.
| Real World (ft) | On Drawing (mm) |
|---|---|
| 0.1 ft | 1.524 mm |
| 0.5 ft | 7.62 mm |
| 1 ft | 15.24 mm |
| 2 ft | 30.48 mm |
| 5 ft | 76.2 mm |
| 10 ft | 152.4 mm |
| 25 ft | 381 mm |
| 50 ft | 762 mm |
| 100 ft | 1524 mm |
How to Convert Feet (ft) to Millimeters (mm) at 1:20
To convert a real-world measurement in feet (ft) to millimeters (mm) on a 1:20 scale drawing, first convert your measurement to millimeters, then divide by the scale ratio (20), and finally convert to your desired output unit (mm).
Formula: Result (mm) = Input (ft) × (304.8 / 20 / 1)