| Inches | Centimetres |
|---|---|
| 1 | 2.5 |
| 1.5 | 3.8 |
| 2 | 5.8 |
| 2.5 | 6.3 |
| 3.9 | 10 |
| 4.92 | 12.5 |
| 5.91 | 15 |
| 7.87 | 20 |
| 8 | 20.3 |
| 11 | 28 |
| 11.81 | 30 |
| 12 | 30.4 |
| 15.75 | 40 |
| 19.6 | 50 |
| Inches/ scale | 1/12 | 1/24 | 1/48 |
|---|---|---|---|
| 0.25″ | 3″ | 6″ | 1′ |
| 0.5″ | 6″ | 1′ | 2′ |
| 0.75″ | 9″ | 1.5′ | 3′ |
| 1″ | 1′ | 2′ | 4′ |
| 2″ | 2′ | 4′ | 8′ |
| 3″ | 3′ | 6′ | 12′ |
| 4″ | 4′ | 8′ | 16′ |
| 5″ | 5′ | 10′ | 20′ |
| 6″ | 6′ | 12′ | 24′ |
| 7″ | 7′ | 14′ | 28′ |
| 8″ | 8′ | 16′ | 32′ |
| 9″ | 9′ | 18′ | 36′ |
| 10″ | 10′ | 20′ | 40′ |
| 11″ | 11′ | 22′ | 44′ |
| 12″ | 12′ | 24′ | 48′ |