Erg to Joule Converter
Quick answer
To convert Ergs to Joules, multiply by 1.000000e-7 (or divide by 10,000,000). Therefore, 1 Erg (erg) equals 1.000000e-7 Joules (J).
Formula: J = erg × 1.000000e-7. Worked example: 10 erg = 1.000000e-6 J.
Convert Erg (erg) to Joule (J) online with our free unit converter. In energy, 1 erg = 1.000000e-7 J. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Erg to Joule
- Step 1 — start with the formula. J = erg × 1.000000e-7
- Step 2 — substitute your figure. 10 erg × 1.000000e-7
- Step 3 — read the result. 10 erg = 1.000000e-6 J
- Step 4 — check it in reverse. erg = J × 10,000,000 returns 10 erg, which matches the figure you started with.
Energy Converter
27 units available
1 erg = 1.000000e-7 J
Formula:
J = erg × 1.000000e-7With your value: 1 erg = 1.000000e-7 J
How big is that?
Everyday references on a logarithmic scale, all expressed in erg so you can sanity-check the result.
Other Erg to Joule conversions
Erg to Joule Conversion Table
| Erg (erg) | Joule (J) |
|---|---|
| 0.5 | 5.000000e-8 |
| 1 | 1.000000e-7 |
| 2 | 2.000000e-7 |
| 5 | 5.000000e-7 |
| 10 | 1.000000e-6 |
| 15 | 1.500000e-6 |
| 20 | 2.000000e-6 |
| 25 | 2.500000e-6 |
| 50 | 5.000000e-6 |
| 100 | 1.000000e-5 |
| 250 | 2.500000e-5 |
| 500 | 5.000000e-5 |
| 1000 | 1.000000e-4 |
Joule to Erg Conversion Table
| Joule (J) | Erg (erg) |
|---|---|
| 0.5 | 5,000,000 |
| 1 | 10,000,000 |
| 2 | 20,000,000 |
| 5 | 50,000,000 |
| 10 | 100,000,000 |
| 15 | 150,000,000 |
| 20 | 200,000,000 |
| 25 | 250,000,000 |
| 50 | 500,000,000 |
| 100 | 1,000,000,000 |
| 250 | 2,500,000,000 |
| 500 | 5,000,000,000 |
| 1000 | 10,000,000,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Erg (erg)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Joule (J)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Erg to Joule
To convert from Erg (erg) to Joule (J), multiply the value by 1.000000e-7.
Formula: J = erg × 1.000000e-7
Reverse: erg = J × 10,000,000
Step-by-Step Example
- Start with your value in Erg. For example: 5 erg
- Multiply by the conversion factor: 5 x 1.000000e-7
- The result is: 5.000000e-7 J
Erg and Joule Relationship
This calculation facilitates standardized conversion between recognized units of energy. Since 1 Erg represents a fraction of a Joule (1 Joule ≈ 1.000e+7 Ergs), the Joule is the larger measurement interval. Understanding the relationship between Erg and Joule is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Erg
The Erg (symbol: erg) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
Common uses of Erg: energy calculations, engineering and science, education.
About Joule
The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.
Common uses of Joule: physics, electrical engineering, chemistry.
Frequently Asked Questions
- How many Joules are in 1 Erg?
- There are exactly 1.000000e-7 Joules in 1 Erg. This means the conversion factor from Erg to Joule is 1.000000e-7.
- What is the formula to convert Erg to Joule?
- The formula to convert Erg to Joule is: J = erg × 1.000000e-7. For example, to convert 10 Ergs to Joules, you would multiply 10 by 1.000000e-7.
- What is a Erg?
- The Erg (symbol: erg) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
- What is a Joule?
- The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.
- What are the common uses of Erg?
- The Erg is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Erg to Joule converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/erg-to-joule