This comparison shows 20 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| Porcine circovirus aka smallest virus | 17.0 × 17.0 × 17.0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Porcine circovirus | 19.0 × 15.0 × 17.0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Small bacteria (Mycoplasma) | 40.0 × 40.0 × 200 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Pelagibacter ubique | 890 × 890 × 890 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Bacteria (E.Coli) | 500 × 500 × 2,000 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Bacteria | 1 × 1 × 1 um | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| molicule | 20.0 × 20.0 × 20.0 um | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Oxygen Molecule | 152 × 152 × 152 um | 0.02 × 0.02 × 0.02 cm | 0.01 × 0.01 × 0.01 in |
| Carbon Dioxide Molecule | 232 × 232 × 232 um | 0.02 × 0.02 × 0.02 cm | 0.01 × 0.01 × 0.01 in |
| Grain of salt/sand | 500 × 500 × 500 um | 0.05 × 0.05 × 0.05 cm | 0.02 × 0.02 × 0.02 in |
| Grain of Rice | 2 × 2 × 2 mm | 0.2 × 0.2 × 0.2 cm | 0.08 × 0.08 × 0.08 in |
| US Penny | 19.1 × 1.75 × 19.1 mm | 1.91 × 0.18 × 1.91 cm | 0.75 × 0.07 × 0.75 in |
| US Quarter | 24.3 × 1.52 × 24.3 mm | 2.43 × 0.15 × 2.43 cm | 0.96 × 0.06 × 0.96 in |
| Credit Card | 85.6 × 0.76 × 54.0 mm | 8.56 × 0.08 × 5.4 cm | 3.37 × 0.03 × 2.13 in |
| Pack Of Playing Cards | 88.9 × 12.7 × 63.5 mm | 8.89 × 1.27 × 6.35 cm | 3.5 × 0.5 × 2.5 in |
| Soda Can | 123 × 66.0 × 66.0 mm | 12.3 × 6.6 × 6.6 cm | 4.83 × 2.6 × 2.6 in |
| CD Case | 142 × 9.91 × 125 mm | 14.2 × 0.99 × 12.5 cm | 5.59 × 0.39 × 4.92 in |
| Dollar Bill | 156 × 0.11 × 66.3 mm | 15.6 × 0.01 × 6.63 cm | 6.14 × 0 × 2.61 in |
| Letter Paper | 279 × 0.05 × 216 mm | 27.9 × 0.01 × 21.6 cm | 11.0 × 0 × 8.5 in |
| Wine Bottle | 307 × 76.7 × 76.7 mm | 30.7 × 7.67 × 7.67 cm | 12.1 × 3.02 × 3.02 in |

| Object | Volume | vs smallest |
|---|---|---|
| Porcine circovirus aka smallest virus | 4.9 × 10−15 mm³ | 1× |
| Porcine circovirus | 4.8 × 10−15 mm³ | 1× |
| Small bacteria (Mycoplasma) | 3.2 × 10−13 mm³ | 66× |
| Pelagibacter ubique | 7 × 10−10 mm³ | 145,504× |
| Bacteria (E.Coli) | 5 × 10−10 mm³ | 103,199× |
| Bacteria | 1 × 10−9 mm³ | 206,398× |
| molicule | 8 × 10−6 mm³ | >1,000,000× |
| Oxygen Molecule | 3.5 × 10−3 mm³ | >1,000,000× |
| Carbon Dioxide Molecule | 1.2 × 10−2 mm³ | >1,000,000× |
| Grain of salt/sand | 0.13 mm³ | >1,000,000× |
| Grain of Rice | 8 mm³ | >1,000,000× |
| US Penny | 635 mm³ | >1,000,000× |
| US Quarter | 895 mm³ | >1,000,000× |
| Credit Card | 3.51 cm³ | >1,000,000× |
| Pack Of Playing Cards | 71.7 cm³ | >1,000,000× |
| Soda Can | 535 cm³ | >1,000,000× |
| CD Case | 176 cm³ | >1,000,000× |
| Dollar Bill | 1.13 cm³ | >1,000,000× |
| Letter Paper | 3.02 cm³ | >1,000,000× |
| Wine Bottle | 1.81 litres | >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, Porcine circovirus. Anything beyond a million times bigger is shown as >1,000,000×.