Convert hectometer to gigameter
Please provide values below to convert hectometer [hm] to gigameter [Gm], or Convert gigameter to hectometer.
How to Convert Hectometer to Gigameter
1 hm = 1e-07 Gm
Example: convert 15 hm to Gm:
15 hm = 15 × 1e-07 Gm = 1.5e-06 Gm
Hectometer to Gigameter Conversion Table
| hectometer | gigameter |
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Hectometer
A hectometer is a unit of length in the metric system equal to 100 meters.
History/Origin
The prefix "hecto-" from the Greek "hekaton" meaning hundred, was part of the original metric system adopted in France in 1795.
Current Use
The hectometer is not a widely used unit of length in English-speaking countries. It is sometimes used in surveying and for marking distances on highways in some countries.
Gigameter
A gigameter is a unit of length in the metric system equal to 10^9 meters.
History/Origin
The prefix "giga-" for 10^9 was adopted by the CGPM (General Conference on Weights and Measures) in 1960.
Current Use
The gigameter is used for measuring interplanetary distances, for example, the distance between Earth and Mars.