Exameter is 1000000000000000000 meter units.
Exameters to Gigameters Converter — Em to Gm
Convert Exameter (Em) to Gigameter (Gm) using the exact conversion factor (1 exameter = 1,000,000,000 gigameter). See the formula, worked examples, and conversion table.
Exameters to Gigameters 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.
Gigameter is 1000000000 meter units.
Result = input x 1e+18 / 1e+9.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Exameters to Gigameters
Exameter and Gigameter both measure length. Specifically: Exameter is 1000000000000000000 meter units, and gigameter is 1000000000 meter units.
Formula
gigameters = exameters × 1000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 exameter equals 1e+18 base units, and 1 gigameter equals 1000000000 base units, so dividing one by the other gives the direct exameter-to-gigameter factor of 1000000000.
Simple example
1 Em × 1000000000 = 1,000,000,000 Gm
1 exameter = 1,000,000,000 gigameters.
Real-world example
10 Em × 1000000000 = 10,000,000,000 Gm
10 exameters = 10,000,000,000 gigameters.
Conversion table
| Exameter (Em) | Gigameter (Gm) |
|---|---|
| 1 Em | 1,000,000,000 Gm |
| 5 Em | 5,000,000,000 Gm |
| 10 Em | 10,000,000,000 Gm |
| 21.0975 Em | 21,097,500,000 Gm |
| 42.195 Em | 42,195,000,000 Gm |
| 100 Em | 100,000,000,000 Gm |
Reverse conversion: Gigameter to Exameter
1 Gm × 1e-9 = 1e-9 Em
1 gigameter = 1e-9 exameters.
exameters = gigameters × 1e-9
For a page dedicated to this direction, see Gigameter to Exameter.
Understanding the Exameter (Em)
Exameter is 1000000000000000000 meter units.
Understanding the Gigameter (Gm)
Gigameter is 1000000000 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigameters are in 1 exameter?
1 exameter equals 1,000,000,000 gigameters, using the exact defined conversion factor rather than an estimate.
How do I convert exameter to gigameter?
Multiply the exameter value by 1000000000. The converter above does this instantly to whatever precision you set.
How do I convert gigameter back to exameter?
Use the reverse factor: 1 gigameter equals 1e-9 exameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a exameter?
Exameter (Em) is a unit of length.
What is a gigameter?
Gigameter (Gm) is a unit of length.
Is the exameter to gigameter conversion exact?
Yes. Both exameter and gigameter are defined by fixed standards rather than physical artifacts, so the factor of 1000000000 used above is exact to as many digits as you choose to display.