Energy Conversions

From

To

Amount

Result

1 Calorie (Nutritional) =
4.184 Kilojoules
(exact result)

Display Result As

Calories (Nutritional)

A nutritional calorie, or kilocalorie, is commonly used in food labeling. It is equal to 4.184 kilojoules.

The average American consumes about 2,700 kilocalories per day.

Kilojoules

A kilojoule is 1,000 joules.

In some countries, food is labeled in Kilojoules, much like Calories are used in the United States.

Energy Conversion Tables

(some results are rounded)
1 BTU = 1 calorie = 1 Calorie (Nutritional) = 1 Erg = 1 Gallon of Gas =
BTUs 10.0039663.96579.4782 x 10-11114,000
calories 252.1611,0002.3901 x 10-828,746,746
Calories (Nutritional) 0.25220.00112.3901 x 10-1128,747
Ergs 1.0551 x 101041,840,0004.184 x 101011.2028 x 1015
Gallons of Gas 8.7719 x 10-63.4787 x 10-83.4787 x 10-58.3142 x 10-161
Joules 1,055.14.1844,1841 x 10-7120,276,384
Kilojoules 1.05510.0041844.1841 x 10-10120,276
Kilowatt Hours 0.00029311.1622 x 10-60.0011622.7778 x 10-1433.410
1 Joule = 1 Kilojoule = 1 Kilowatt Hour =
BTUs 0.00094780.94783,412.1
calories 0.239239.01860,421
Calories (Nutritional) 0.0002390.239860.42
Ergs 10,000,0001 x 10103.6 x 1013
Gallons of Gas 8.3142 x 10-98.3142 x 10-60.02993
Joules 11,0003,600,000
Kilojoules 0.00113,600
Kilowatt Hours 2.7778 x 10-70.00027781