This comparison shows 5 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| inch | 1 × 1 × 1 in | 2.54 × 2.54 × 2.54 cm | 1 × 1 × 1 in |
| centimeter | 1 × 1 × 1 cm | 1 × 1 × 1 cm | 0.39 × 0.39 × 0.39 in |
| millimeter | 1 × 1 × 1 mm | 0.1 × 0.1 × 0.1 cm | 0.04 × 0.04 × 0.04 in |
| feet | 1 × 1 × 1 ft | 30.5 × 30.5 × 30.5 cm | 12.0 × 12.0 × 12.0 in |
| meter | 1 × 1 × 1 m | 100 × 100 × 100 cm | 39.4 × 39.4 × 39.4 in |

| Object | Volume | vs smallest |
|---|---|---|
| inch | 16.4 cm³ | 16,387× |
| centimeter | 1 cm³ | 1,000× |
| millimeter | 1 mm³ | 1× |
| feet | 28.3 litres | >1,000,000× |
| meter | 1 m³ | >1,000,000× |
* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, millimeter. Anything beyond a million times bigger is shown as >1,000,000×.