The Chain (Gunter's chain) was fundamental in surveying the American frontier. Measuring 66 feet (4 rods), it's the length of a cricket pitch. Ten square chains make an acre. Modern surveyors still reference chains in legal descriptions, and the unit remains visible in rural road layouts across the US. Astronomical scale (Moon's orbit = ~0.38 Gm). Useful for space agency data but rarely searched by the public.
To convert between Chain (ch) and Gigameter (Gm), use the following formulas:
1 Chain (ch) = 2.01168e-8 Gigameter (Gm)
1 Gigameter (Gm) = 49709695.378986716 Chain (ch)
1 ch = 1 * 2.01168e-8 Gm = 2.01168e-8 Gm
5 ch = 5 * 2.01168e-8 Gm = 1.00584e-7 Gm
10 ch = 10 * 2.01168e-8 Gm = 2.01168e-7 Gm
20 ch = 20 * 2.01168e-8 Gm = 4.02336e-7 Gm
50 ch = 50 * 2.01168e-8 Gm = 0.00000100584 Gm
100 ch = 100 * 2.01168e-8 Gm = 0.00000201168 Gm
Chain (ch) | Gigameter (Gm) |
---|---|
1 ch | 2.01168e-8 Gm |
5 ch | 1.00584e-7 Gm |
10 ch | 2.01168e-7 Gm |
20 ch | 4.02336e-7 Gm |
50 ch | 0.00000100584 Gm |
100 ch | 0.00000201168 Gm |