Convert ergs to joules
1 erg = 0.0000001 J — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.000 000 1J
Exact decimal: 0.0000001
As a fraction: 1/10000000
1 erg = 0.0000001 J
How to convert ergs to joules
Multiply the number of ergs by 0.0000001 to get joules.
The exact factor is 0.0000001 — as a fraction, 1/10000000.
Erg to Joule conversion table
| Ergs (erg) | Joules (J) |
|---|---|
| 1 erg | 0.000 000 1 |
| 2 erg | 0.000 000 2 |
| 3 erg | 0.000 000 3 |
| 5 erg | 0.000 000 5 |
| 10 erg | 0.000 001 |
| 20 erg | 0.000 002 |
| 25 erg | 0.000 002 5 |
| 50 erg | 0.000 005 |
| 100 erg | 0.000 01 |
| 250 erg | 0.000 025 |
| 500 erg | 0.000 05 |
| 1000 erg | 0.0001 |
Joule to Erg conversion table
| Joules (J) | Ergs (erg) |
|---|---|
| 1 J | 10 000 000 |
| 2 J | 20 000 000 |
| 3 J | 30 000 000 |
| 5 J | 50 000 000 |
| 10 J | 100 000 000 |
| 20 J | 200 000 000 |
| 25 J | 250 000 000 |
| 50 J | 500 000 000 |
| 100 J | 1 000 000 000 |
| 250 J | 2 500 000 000 |
| 500 J | 5 000 000 000 |
| 1000 J | 10 000 000 000 |
Frequently asked
How many joules are in a erg?
One erg equals 0.0000001 joules (erg → J). That figure is exact, not rounded.
How do you convert ergs to joules?
Multiply the number of ergs by 0.0000001 to get joules.
What is 1 J in ergs?
One joule is 10000000 ergs.
What is 10 erg in J?
10 erg = 0.000 001 J.