This comparison shows 21 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| yocto | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| zepto | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| atto | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| femto | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| pico | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| nano | 1 × 1 × 1 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| micro | 1 × 1 × 1 um | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| mili | 1 × 1 × 1 mm | 0.1 × 0.1 × 0.1 cm | 0.04 × 0.04 × 0.04 in |
| centi | 1 × 1 × 1 cm | 1 × 1 × 1 cm | 0.39 × 0.39 × 0.39 in |
| deci | 10.0 × 10.0 × 10.0 cm | 10.0 × 10.0 × 10.0 cm | 3.94 × 3.94 × 3.94 in |
| meter | 1 × 1 × 1 m | 100 × 100 × 100 cm | 39.4 × 39.4 × 39.4 in |
| deca | 10.0 × 10.0 × 10.0 m | 1,000 × 1,000 × 1,000 cm | 394 × 394 × 394 in |
| hecto | 100 × 100 × 100 m | 10,000 × 10,000 × 10,000 cm | 3,937 × 3,937 × 3,937 in |
| kilo | 1 × 1 × 1 km | 100,000 × 100,000 × 100,000 cm | 39,370 × 39,370 × 39,370 in |
| mega | 1,000 × 1,000 × 1,000 km | 100,000,000 × 100,000,000 × 100,000,000 cm | 39,370,079 × 39,370,079 × 39,370,079 in |
| giga | 1,000,000 × 1,000,000 × 1,000,000 km | 100,000,000,000 × 100,000,000,000 × 100,000,000,000 cm | 39,370,078,740 × 39,370,078,740 × 39,370,078,740 in |
| astro | 149,000,000 × 149,000,000 × 149,000,000 km | 14,900,000,000,000 × 14,900,000,000,000 × 14,900,000,000,000 cm | 5,866,141,732,283 × 5,866,141,732,283 × 5,866,141,732,283 in |
| tera | 1,000,000,000 × 1,000,000,000 × 1,000,000,000 km | 100,000,000,000,000 × 100,000,000,000,000 × 100,000,000,000,000 cm | 39,370,078,740,158 × 39,370,078,740,158 × 39,370,078,740,158 in |
| peta | 1,000,000,000,000 × 1,000,000,000,000 × 1,000,000,000,000 km | 100,000,000,000,000,000 × 100,000,000,000,000,000 × 100,000,000,000,000,000 cm | 39,370,078,740,157,480 × 39,370,078,740,157,480 × 39,370,078,740,157,480 in |
| light year | 9,500,000,000,000 × 9,500,000,000,000 × 9,500,000,000,000 km | 950,000,000,000,000,000 × 950,000,000,000,000,000 × 950,000,000,000,000,000 cm | 374,015,748,031,496,064 × 374,015,748,031,496,064 × 374,015,748,031,496,064 in |
| parsec | 28,500,000,000,000 × 28,500,000,000,000 × 28,500,000,000,000 km | 2,850,000,000,000,000,000 × 2,850,000,000,000,000,000 × 2,850,000,000,000,000,000 cm | 1,122,047,244,094,488,192 × 1,122,047,244,094,488,192 × 1,122,047,244,094,488,192 in |

| Object | Volume | vs smallest |
|---|---|---|
| yocto | 1 × 10−63 mm³ | 1× |
| zepto | 1 × 10−54 mm³ | >1,000,000× |
| atto | 1 × 10−45 mm³ | >1,000,000× |
| femto | 1 × 10−36 mm³ | >1,000,000× |
| pico | 1 × 10−27 mm³ | >1,000,000× |
| nano | 1 × 10−18 mm³ | >1,000,000× |
| micro | 1 × 10−9 mm³ | >1,000,000× |
| mili | 1 mm³ | >1,000,000× |
| centi | 1 cm³ | >1,000,000× |
| deci | 1 litre | >1,000,000× |
| meter | 1 m³ | >1,000,000× |
| deca | 1,000 m³ | >1,000,000× |
| hecto | 1,000,000 m³ | >1,000,000× |
| kilo | 1 km³ | >1,000,000× |
| mega | 1 × 109 km³ | >1,000,000× |
| giga | 1 × 1018 km³ | >1,000,000× |
| astro | 3.3 × 1024 km³ | >1,000,000× |
| tera | 1 × 1027 km³ | >1,000,000× |
| peta | 1 × 1036 km³ | >1,000,000× |
| light year | 8.6 × 1038 km³ | >1,000,000× |
| parsec | 2.3 × 1040 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, yocto. Anything beyond a million times bigger is shown as >1,000,000×.