Convert Erg to Gigajoule
Enter the number of ergs that you want to convert to gigajoules.
How to Convert Ergs to Gigajoules
The erg and gigajoule are both units of energy. By definition, 1 gigajoule equals exactly 1e16 ergs. This means to convert ergs to gigajoules, you divide by 1e16.
Formula
Step-by-Step Example
Convert 5 erg to gigajoules:
We need to convert ergs to gigajoules
Since 1 GJ = 1e16 erg, divide by 1e16
5 ÷ 1e16 = 5e-16
5 erg = 5e-16 GJ
Erg to Gigajoule Conversion Table
Quick reference table for common erg to gigajoule conversions. Click any value for detailed calculation.
| Ergs (erg) | Gigajoules (GJ) |
|---|---|
| 0.1 erg | 1e-17 GJ |
| 0.5 erg | 5e-17 GJ |
| 1 erg | 1e-16 GJ |
| 2 erg | 2e-16 GJ |
| 5 erg | 5e-16 GJ |
| 10 erg | 1e-15 GJ |
| 25 erg | 2.5e-15 GJ |
| 50 erg | 5e-15 GJ |
| 100 erg | 1e-14 GJ |
About These Units
Erg (erg)
An erg is the CGS (centimeter-gram-second) unit of energy equal to 10⁻⁷ joules or 1 dyne-centimeter. Ergs appear in older scientific literature and some astronomical calculations. One joule equals 10 million ergs. Rarely used in modern applications.
Gigajoule (GJ)
A gigajoule (GJ) equals 1 billion joules or approximately 277.8 kilowatt-hours. Gigajoules measure natural gas billing, industrial energy use, and building energy consumption. One GJ equals about 26.8 cubic meters of natural gas.
Frequently Asked Questions
How do I convert ergs to gigajoules?
To convert ergs to gigajoules, divide the value by 1e16. For example, 10 erg = 1e-15 GJ.
How many gigajoules are in 1 erg?
1 erg equals 1e-16 gigajoules.
What is the formula for ergs to gigajoules?
The formula is: GJ = erg ÷ 1e16.