This comparison shows 27 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.
| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| Planck length | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Quectometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Rontometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Shed | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Yoctometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| MeV neutrino | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Zeptometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| 20 GeV neutrino | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| 250 GeV neutrino | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| De Brogile wavelength of protons | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Attometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Size limit for quarks and electrons | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Range of the weak force | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Femtometre | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Approximate size of a proton | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Classical electron | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Barn | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Maximum diameter of an atomic nucleus | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Quectoparsec | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Picometre | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Distance between atomic neuclei in a white dwarf star | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Compton wavelength of an electron | 0 × 0 × 0 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Rontoparsec | 0.03 × 0.03 × 0.03 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Approximate size of a helium atom | 0.05 × 0.05 × 0.05 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Length of a diamotic carbon molecule | 0.09 × 0.09 × 0.09 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| H-O length in a water molecule | 0.1 × 0.1 × 0.1 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| à ngström | 0.1 × 0.1 × 0.1 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |