Convert Calorie to Erg

Type the number of calories that you wish to convert to ergs.

1 cal (calories) = 41840000 erg (ergs)

How to Convert Calories to Ergs

The calorie and erg are both units of energy. By definition, 1 calorie equals exactly 41840000 ergs. This means to convert calories to ergs, you multiply by 41840000.

Formula

ergs = calories × 41840000

Step-by-Step Example

Convert 5 cal to ergs:

1
Convert 5 cal to ergs

We need to convert calories to ergs

2
Apply the formula

Since 1 cal = 41840000 erg, multiply by 41840000

5 × 41840000 = 209200000

Answer

5 cal = 209200000 erg

Calorie to Erg Conversion Table

Quick reference table for common calorie to erg conversions. Click any value for detailed calculation.

Calories (cal) Ergs (erg)
0.1 cal 4184000 erg
0.5 cal 20920000 erg
1 cal 41840000 erg
2 cal 83680000 erg
5 cal 209200000 erg
10 cal 418400000 erg
25 cal 1046000000 erg
50 cal 2092000000 erg
100 cal 4184000000 erg

About These Units

Calorie (cal)

A small calorie (cal) is the energy needed to raise 1 gram of water by 1°C, equal to 4.184 joules. Small calories are used in chemistry and physics. Note: food "Calories" (with capital C) are actually kilocalories. One calorie equals 0.003968 BTU.

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.

Frequently Asked Questions

How do I convert calories to ergs?

To convert calories to ergs, multiply the value by 41840000. For example, 10 cal = 418400000 erg.

How many ergs are in 1 calorie?

1 calorie equals 41840000 ergs.

What is the formula for calories to ergs?

The formula is: erg = cal × 41840000.