This comparison shows 3 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| R2 | 150 × 30.0 × 81.0 mm | 15.0 × 3 × 8.1 cm | 5.91 × 1.18 × 3.19 in |
| R3 | 185 × 24.2 × 81.4 mm | 18.5 × 2.42 × 8.14 cm | 7.27 × 0.95 × 3.2 in |
| iPhone | 132 × 7.36 × 64.3 mm | 13.2 × 0.74 × 6.43 cm | 5.18 × 0.29 × 2.53 in |

| Object | Volume | vs smallest |
|---|---|---|
| R2 | 365 cm³ | 5.9× |
| R3 | 364 cm³ | 5.9× |
| iPhone | 62.2 cm³ | 1× |
* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, iPhone.