Sometimes distances are very difficult to visualise. We can, however, visualise actual objects. So here's a calculator that will convert any distance into various object lengths. Click an object's name to put one of that object into the box.
Human hairs: 0The table of distances I used is below; it uses the best data I could find, but obviously you shouldn't base any important decisions on this.
| Object | Size | Equivalent (m) |
| Human hair (width) | 50 μm | 0.00005 |
| Matchstick (width) | 2 mm | 0.002 |
| Mobile phone (Nokia 5310, length) | 104 mm | 0.104 |
| A4 paper (length) | 297 mm | 0.297 |
| Office chair (height) | 93 cm | 0.93 |
| Volkswagen Beetle 1500 (length) | 4026 mm | 4.026 |
| Routemaster double-decker bus (length) | 8.4 m | 8.4 |
| Olympic-size swimming pool (length) | 50 m | 50 |
| International rugby union pitch (length) | 100 m | 100 |
| Wembley Stadium's arch (span) | 315 m | 315 |
| Distance from London to Edinburgh | 404 miles | 650175 |
| Diameter of the Earth | 7926.28 miles | 12756111 |