Convert millimeter to gigameter
Please provide values below to convert millimeter [mm] to gigameter [Gm], or Convert gigameter to millimeter.
How to Convert Millimeter to Gigameter
1 mm = 1e-12 Gm
Example: convert 15 mm to Gm:
15 mm = 15 × 1e-12 Gm = 1.5e-11 Gm
Millimeter to Gigameter Conversion Table
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Millimeter
A millimeter is a unit of length in the metric system, equal to one-thousandth of a meter.
History/Origin
The prefix "milli-" comes from the Latin word "mille," meaning thousand. The millimeter was part of the original metric system adopted in France in 1795.
Current Use
The millimeter is widely used in engineering and manufacturing for high-precision measurements. It is also a common unit in construction and for measuring small objects.
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.