1:18 Scale: cm to mm Reference Table
Quick reference for converting centimeters (cm) to millimeters (mm) at 1:18 scale.
| Real World (cm) | On Drawing (mm) |
|---|---|
| 0.1 cm | 0.055556 mm |
| 0.5 cm | 0.277778 mm |
| 1 cm | 0.555556 mm |
| 2 cm | 1.11111 mm |
| 5 cm | 2.77778 mm |
| 10 cm | 5.55556 mm |
| 25 cm | 13.8889 mm |
| 50 cm | 27.7778 mm |
| 100 cm | 55.5556 mm |
How to Convert Centimeters (cm) to Millimeters (mm) at 1:18
To convert a real-world measurement in centimeters (cm) to millimeters (mm) on a 1:18 scale drawing, first convert your measurement to millimeters, then divide by the scale ratio (18), and finally convert to your desired output unit (mm).
Formula: Result (mm) = Input (cm) × (10 / 18 / 1)