Astronomical scale (Moon's orbit = ~0.38 Gm). Useful for space agency data but rarely searched by the public. The hectometer (hm) is useful for measuring sports tracks (1 lap = 4 hm), urban blocks (~1–2 hm long), or vineyard rows. Road signs in some European countries use hectometers for minor distance markers.
To convert between Gigameter (Gm) and Hectometer (hm), use the following formulas:
1 Gigameter (Gm) = 10000000 Hectometer (hm)
1 Hectometer (hm) = 1e-7 Gigameter (Gm)
0.15 Gm = 0.15 * 10000000 hm = 1500000 hm
1.5 Gm = 1.5 * 10000000 hm = 15000000 hm
4 Gm = 4 * 10000000 hm = 40000000 hm
| Gigameter (Gm) | Hectometer (hm) |
|---|---|
| 0.1 Gm | 1000000 hm |
| 1 Gm | 10000000 hm |
| 10 Gm | 100000000 hm |
| 100 Gm | 1000000000 hm |