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 |
|---|---|---|---|
| OM-5 (opens on Amazon in a new tab) | 125 × 49.7 × 85.2 mm | 12.5 × 4.97 × 8.52 cm | 4.93 × 1.96 × 3.35 in |
| om pen (opens on Amazon in a new tab) | 126 × 43.3 × 74.5 mm | 12.6 × 4.33 × 7.45 cm | 4.95 × 1.7 × 2.93 in |
| Olympus pen f (opens on Amazon in a new tab) | 125 × 37.0 × 72.0 mm | 12.5 × 3.7 × 7.2 cm | 4.92 × 1.46 × 2.83 in |

| Object | Volume | vs smallest |
|---|---|---|
| OM-5 (opens on Amazon in a new tab) | 531 cm³ | 1.6× |
| om pen (opens on Amazon in a new tab) | 406 cm³ | 1.2× |
| Olympus pen f (opens on Amazon in a new tab) | 333 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, Olympus pen f.