This comparison shows 2 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| Stephenson 2-18 | 3,000,000,000 × 3,000,000,000 × 3,000,000,000 km | 300,000,000,000,000 × 300,000,000,000,000 × 300,000,000,000,000 cm | 118,110,236,220,472 × 118,110,236,220,472 × 118,110,236,220,472 in |
| TON 618 | 400,000,000,000 × 400,000,000,000 × 400,000,000,000 km | 40,000,000,000,000,000 × 40,000,000,000,000,000 × 40,000,000,000,000,000 cm | 15,748,031,496,062,994 × 15,748,031,496,062,994 × 15,748,031,496,062,994 in |

| Object | Volume | vs smallest |
|---|---|---|
| Stephenson 2-18 | 2.7 × 1028 km³ | 1× |
| TON 618 | 6.4 × 1034 km³ | >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, Stephenson 2-18. Anything beyond a million times bigger is shown as >1,000,000×.