Gigameter is 1000000000 meter units.
Gigameters to Hectometers Converter — Gm to hm
Convert Gigameter (Gm) to Hectometer (hm) using the exact conversion factor (1 gigameter = 10,000,000 hectometer). See the formula, worked examples, and conversion table.
Gigameters to Hectometers converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
Hectometer is 100 meter units.
Result = input x 1e+9 / 100.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigameters to Hectometers
Gigameter and Hectometer both measure length. Specifically: Gigameter is 1000000000 meter units, and hectometer is 100 meter units.
Formula
hectometers = gigameters × 10000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gigameter equals 1000000000 base units, and 1 hectometer equals 100 base units, so dividing one by the other gives the direct gigameter-to-hectometer factor of 10000000.
Simple example
1 Gm × 10000000 = 10,000,000 hm
1 gigameter = 10,000,000 hectometers.
Real-world example
10 Gm × 10000000 = 100,000,000 hm
10 gigameters = 100,000,000 hectometers.
Conversion table
| Gigameter (Gm) | Hectometer (hm) |
|---|---|
| 1 Gm | 10,000,000 hm |
| 5 Gm | 50,000,000 hm |
| 10 Gm | 100,000,000 hm |
| 21.0975 Gm | 210,975,000 hm |
| 42.195 Gm | 421,950,000 hm |
| 100 Gm | 1,000,000,000 hm |
Reverse conversion: Hectometer to Gigameter
1 hm × 1e-7 = 1e-7 Gm
1 hectometer = 1e-7 gigameters.
gigameters = hectometers × 1e-7
For a page dedicated to this direction, see Hectometer to Gigameter.
Understanding the Gigameter (Gm)
Gigameter is 1000000000 meter units.
Understanding the Hectometer (hm)
Hectometer is 100 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectometers are in 1 gigameter?
1 gigameter equals 10,000,000 hectometers, using the exact defined conversion factor rather than an estimate.
How do I convert gigameter to hectometer?
Multiply the gigameter value by 10000000. The converter above does this instantly to whatever precision you set.
How do I convert hectometer back to gigameter?
Use the reverse factor: 1 hectometer equals 1e-7 gigameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a gigameter?
Gigameter (Gm) is a unit of length.
What is a hectometer?
Hectometer (hm) is a unit of length.
Is the gigameter to hectometer conversion exact?
Yes. Both gigameter and hectometer are defined by fixed standards rather than physical artifacts, so the factor of 10000000 used above is exact to as many digits as you choose to display.