Names for Different Sized Squares
This page is born out of the confusion of what to call different sized squares. The proposal is to refer to the squares as referenced in the top line of the table below; included in the table are various other names they could be called.
| Geograph name | Centisquare | Grid square | Hectad | Myriad |
| Size | 100 m × 100 m | 1 km × 1 km | 10 km × 10 km | 100 km × 100 km |
| Area in km² (square kilometres) | 0.01 km² | 1 km² | 100 km² | 10,000 km² |
| Area in m² (square metres) | 10,000 m² | 1,000,000 m² | 100,000,000 m² | 10,000,000,000 m² |
| Length of side in km | 0.1 km | 1 km | 10 km | 100 km |
| Length of side in m | 100 m | 1,000 m | 10,000 m | 100,000 m |
| Modern Landranger maps | 100 000 metre square | |||
| Interactive
guide & One-inch maps |
1 km squares | 10 km squares | 100 km squares | |
| Example grid reference | TQ562583 | TQ5658 | TQ55 | TQ |
| Common name | Tile (OS sell digital data in tiles) |
Scene (from here) |
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| Official name | Hectad ( from Wikipedia) |
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| Other possible names | (suggestions?) | Monad | Hundred, Wapentake |
