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Joules to Ergs Converter

Convert joules (J) to ergs (erg)

Convert Energy

J

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Result

1,00,00,000 erg
Ergs

1 J = 1,00,00,000 erg

1 J in other units

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How to convert joules to ergs

One joule equals 1,00,00,000 ergs, so multiply the number of joules by 1,00,00,000.

erg = J × 1,00,00,000

1 J = 1,00,00,000 erg · 1 erg = 1 × 10⁻⁷ J

Worked example

To convert 5 joules to ergs: 5 J × 1,00,00,000 = 5,00,00,000 erg.

About joules (J)

The joule is the SI unit of energy: the work done by a force of one newton over one metre.

About ergs (erg)

An erg is 10⁻⁷ J, the energy unit of the older CGS system.

More conversions

Ergs to JoulesAll units: Energy Converter

Joules to other units

Other units to Ergs

Frequently asked questions

How many ergs are in one joule?

One joule equals 1,00,00,000 ergs.

How many joules are in one erg?

One erg equals 1 × 10⁻⁷ joules.

How do I convert joules to ergs?

Use the formula erg = J × 1,00,00,000. For example, 5 J × 1,00,00,000 = 5,00,00,000 erg.