This comparison shows 22 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| DNA Alpha Helix | 2 × 2 × 2 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| 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 |
| Hepatitis Virus | 45.0 × 45.0 × 45.0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Covid19 virus | 90.0 × 90.0 × 90.0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| HIV virus | 100 × 100 × 100 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Large virus (Orthomyxoviruses) | 120 × 60.0 × 60.0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Human Immunodeficiency Viruses | 130 × 130 × 130 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Megavirus | 440 × 440 × 440 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Giant virus (Mimivirus) | 700 × 700 × 700 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| micrometer | 1 × 1 × 1 um | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Bacteria | 1 × 1 × 1 um | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Bacteria (E.Coli) | 2,000 × 500 × 500 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Hair | 0 × 0 × 0 m | 0.01 × 0.01 × 0.01 cm | 0 × 0 × 0 in |
| Human hair | 125 × 125 × 125 um | 0.01 × 0.01 × 0.01 cm | 0 × 0 × 0 in |
| millimeter | 1 × 1 × 1 mm | 0.1 × 0.1 × 0.1 cm | 0.04 × 0.04 × 0.04 in |
| Centimeter | 1 × 1 × 1 cm | 1 × 1 × 1 cm | 0.39 × 0.39 × 0.39 in |
| Baby Blanket | 33.0 × 0 × 33.0 in | 83.8 × 0 × 83.8 cm | 33.0 × 0 × 33.0 in |
| Baby | 1 × 1 × 1 m | 100 × 100 × 100 cm | 39.4 × 39.4 × 39.4 in |
| Cubic Meter | 1 × 1 × 1 m | 100 × 100 × 100 cm | 39.4 × 39.4 × 39.4 in |
| Average Woman (flat-chested) | 5.2 × 1 × 1.16 ft | 158 × 30.5 × 35.4 cm | 62.4 × 12.0 × 13.9 in |
| Average Male Human Being | 1.8 × 0.2 × 0.2 m | 180 × 20.0 × 20.0 cm | 70.9 × 7.87 × 7.87 in |

| Object | Volume | vs smallest |
|---|---|---|
| DNA Alpha Helix | 8 × 10−18 mm³ | 1× |
| Porcine circovirus aka smallest virus | 4.9 × 10−15 mm³ | 614× |
| Porcine circovirus | 4.8 × 10−15 mm³ | 606× |
| Hepatitis Virus | 9.1 × 10−14 mm³ | 11,391× |
| Covid19 virus | 7.3 × 10−13 mm³ | 91,125× |
| HIV virus | 1 × 10−12 mm³ | 125,000× |
| Large virus (Orthomyxoviruses) | 4.3 × 10−13 mm³ | 54,000× |
| Human Immunodeficiency Viruses | 2.2 × 10−12 mm³ | 274,625× |
| Megavirus | 8.5 × 10−11 mm³ | >1,000,000× |
| Giant virus (Mimivirus) | 3.4 × 10−10 mm³ | >1,000,000× |
| micrometer | 1 × 10−9 mm³ | >1,000,000× |
| Bacteria | 1 × 10−9 mm³ | >1,000,000× |
| Bacteria (E.Coli) | 5 × 10−10 mm³ | >1,000,000× |
| Hair | 1 × 10−3 mm³ | >1,000,000× |
| Human hair | 2 × 10−3 mm³ | >1,000,000× |
| millimeter | 1 mm³ | >1,000,000× |
| Centimeter | 1 cm³ | >1,000,000× |
| Baby Blanket | — | — |
| Baby | 1 m³ | >1,000,000× |
| Cubic Meter | 1 m³ | >1,000,000× |
| Average Woman (flat-chested) | 171 litres | >1,000,000× |
| Average Male Human Being | 72.0 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, DNA Alpha Helix. Anything beyond a million times bigger is shown as >1,000,000×.