This comparison shows 7 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 |
| Toshi 20L | 18.0 × 6 × 11.6 in | 45.7 × 15.2 × 29.5 cm | 18.0 × 6 × 11.6 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 |
| REI CO-OP Commuter 22L | 16.8 × 6.3 × 10.5 in | 42.5 × 16.0 × 26.7 cm | 16.8 × 6.3 × 10.5 in |
| Moment Everything Backpack 17L (opens on Amazon in a new tab) | 16.5 × 5.5 × 10.4 in | 41.9 × 14.0 × 26.4 cm | 16.5 × 5.5 × 10.4 in |
| Minimul M20 | 16.5 × 6 × 11.0 in | 41.9 × 15.2 × 27.9 cm | 16.5 × 6 × 11.0 in |
| Fjallraven Vardag 17 | 16.1 × 7.1 × 11.0 in | 40.9 × 18.0 × 27.9 cm | 16.1 × 7.1 × 11.0 in |

| Object | Volume | vs smallest |
|---|---|---|
| Aer Fit Pack 2 | 30.3 litres | 2× |
| Toshi 20L | 20.5 litres | 1.3× |
| MR District 18 | 26.6 litres | 1.7× |
| REI CO-OP Commuter 22L | 18.2 litres | 1.2× |
| Moment Everything Backpack 17L (opens on Amazon in a new tab) | 15.5 litres | 1× |
| Minimul M20 | 17.8 litres | 1.2× |
| Fjallraven Vardag 17 | 20.6 litres | 1.3× |
* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, Moment Everything Backpack 17L.