This comparison shows 6 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| Aer Fit Pack 2 | 18.5 × 8 × 12.5 in | 47.0 × 20.3 × 31.8 cm | 18.5 × 8 × 12.5 in |
| MR District 18 | 17.0 × 8.5 × 11.3 in | 43.2 × 21.6 × 28.6 cm | 17.0 × 8.5 × 11.3 in |
| Daylite 26+6 | 17.0 × 8 × 13.0 in | 43.2 × 20.3 × 33.0 cm | 17.0 × 8 × 13.0 in |
| Topo GTB | 18.8 × 7.75 × 12.5 in | 47.6 × 19.7 × 31.8 cm | 18.8 × 7.75 × 12.5 in |
| CTB20 | 17.5 × 7.5 × 10.8 in | 44.5 × 19.1 × 27.3 cm | 17.5 × 7.5 × 10.8 in |
| Bravo 23L (opens on Amazon in a new tab) | 18.5 × 7.1 × 11.8 in | 47.0 × 18.0 × 30.0 cm | 18.5 × 7.1 × 11.8 in |

| Object | Volume | vs smallest |
|---|---|---|
| Aer Fit Pack 2 | 30.3 litres | 1.3× |
| MR District 18 | 26.6 litres | 1.2× |
| Daylite 26+6 | 29.0 litres | 1.3× |
| Topo GTB | 29.8 litres | 1.3× |
| CTB20 | 23.1 litres | 1× |
| Bravo 23L (opens on Amazon in a new tab) | 25.4 litres | 1.1× |
* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, CTB20.