Gigameter is 1000000000 meter units.
Gigameters to Micrometers Converter — Gm to um
Convert Gigameter (Gm) to Micrometer (um) using the exact conversion factor (1 gigameter = 1e+15 micrometer). See the formula, worked examples, and conversion table.
Gigameters to Micrometers 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.
Micrometer is 0.000001 meter units.
Result = input x 1e+9 / 1e-6.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigameters to Micrometers
Gigameter and Micrometer both measure length. Specifically: Gigameter is 1000000000 meter units, and micrometer is 0.000001 meter units.
Formula
micrometers = gigameters × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 gigameter equals 1000000000 base units, and 1 micrometer equals 0.000001 base units, so dividing one by the other gives the direct gigameter-to-micrometer factor of 1e+15.
Simple example
1 Gm × 1e+15 = 1e+15 um
1 gigameter = 1e+15 micrometers.
Real-world example
10 Gm × 1e+15 = 1e+16 um
10 gigameters = 1e+16 micrometers.
Conversion table
| Gigameter (Gm) | Micrometer (um) |
|---|---|
| 1 Gm | 1e+15 um |
| 5 Gm | 5e+15 um |
| 10 Gm | 1e+16 um |
| 21.0975 Gm | 2.10975e+16 um |
| 42.195 Gm | 4.2195e+16 um |
| 100 Gm | 1e+17 um |
Reverse conversion: Micrometer to Gigameter
1e+15 um × 1e-15 = 1 Gm
1e+15 micrometers = 1 gigameter.
gigameters = micrometers × 1e-15
For a page dedicated to this direction, see Micrometer to Gigameter.
Understanding the Gigameter (Gm)
Gigameter is 1000000000 meter units.
Understanding the Micrometer (um)
Micrometer is 0.000001 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrometers are in 1 gigameter?
1 gigameter equals 1e+15 micrometers, using the exact defined conversion factor rather than an estimate.
How do I convert gigameter to micrometer?
Multiply the gigameter value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert micrometer back to gigameter?
Use the reverse factor: 1 micrometer equals 1e-15 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 micrometer?
Micrometer (um) is a unit of length.
Is the gigameter to micrometer conversion exact?
Yes. Both gigameter and micrometer are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.