This comparison shows 51 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 |
| Carbon atom | 0.12 × 0.12 × 0.12 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Length of a typical covalent bond (C-C) | 0.15 × 0.15 × 0.15 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Sulfur atom | 0.2 × 0.2 × 0.2 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Van der Walls diameter of a hydrogen atom | 0.24 × 0.24 × 0.24 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Gold atom | 0.24 × 0.24 × 0.24 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Ruthenium atom | 0.25 × 0.25 × 0.25 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Technetium atom | 0.27 × 0.27 × 0.27 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Water molecule | 0.28 × 0.28 × 0.28 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Silver atom | 0.31 × 0.31 × 0.31 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Zirconium atom | 0.31 × 0.31 × 0.31 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Thulium atom | 0.35 × 0.35 × 0.35 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Width of a diamond unit cell | 0.36 × 0.36 × 0.36 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Caesium atom | 0.45 × 0.45 × 0.45 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Width of a protein alpha-helix | 0.5 × 0.5 × 0.5 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Width of a glucose molecule | 0.7 × 0.7 × 0.7 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Diameter of a buckyball | 0.7 × 0.7 × 0.7 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Quartz unit cell | 0.78 × 0.78 × 0.78 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Ice unit cell | 0.82 × 0.82 × 0.82 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Nanometre | 1 × 1 × 1 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Length of a phospholipid | 2.3 × 2.3 × 2.3 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Width of a DNA fiber | 3 × 3 × 3 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Albumin molecule | 3.8 × 3.8 × 3.8 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Length of a phospholipid bilayer | 6 × 6 × 6 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Minimum thickness of a cell membrane | 6 × 6 × 6 nm | 0 × 0 × 0 cm | 0 × 0 × 0 in |