1:1 Scale: cm to mm Reference Table
Quick reference for converting centimeters (cm) to millimeters (mm) at 1:1 scale.
| Real World (cm) | On Drawing (mm) |
|---|---|
| 0.1 cm | 1 mm |
| 0.5 cm | 5 mm |
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 25 cm | 250 mm |
| 50 cm | 500 mm |
| 100 cm | 1000 mm |
How to Convert Centimeters (cm) to Millimeters (mm) at 1:1
To convert a real-world measurement in centimeters (cm) to millimeters (mm) on a 1:1 scale drawing, first convert your measurement to millimeters, then divide by the scale ratio (1), and finally convert to your desired output unit (mm).
Formula: Result (mm) = Input (cm) × (10 / 1 / 1)