Kilojoules to Calories (kJ → cal)

239.01

1.0000 kJ = 239.01 cal

Formula

1 kJ = 239.0057361376673 cal
CaloriesKilojoules (Swap Units)

Conversion Table

kJcal
00
1.0000239.01
2.0000478.01
3.0000717.02
4.0000956.02
5.00001,195.0
6.00001,434.0
7.00001,673.0
8.00001,912.0
9.00002,151.1
10.0002,390.1
11.0002,629.1
12.0002,868.1
13.0003,107.1
14.0003,346.1
15.0003,585.1
16.0003,824.1
17.0004,063.1
18.0004,302.1
19.0004,541.1
kJcal
20.0004,780.1
21.0005,019.1
22.0005,258.1
23.0005,497.1
24.0005,736.1
25.0005,975.1
26.0006,214.1
27.0006,453.2
28.0006,692.2
29.0006,931.2
30.0007,170.2
31.0007,409.2
32.0007,648.2
33.0007,887.2
34.0008,126.2
35.0008,365.2
36.0008,604.2
37.0008,843.2
38.0009,082.2
39.0009,321.2
kJcal
40.0009,560.2
41.0009,799.2
42.00010,038
43.00010,277
44.00010,516
45.00010,755
46.00010,994
47.00011,233
48.00011,472
49.00011,711
50.00011,950
51.00012,189
52.00012,428
53.00012,667
54.00012,906
55.00013,145
56.00013,384
57.00013,623
58.00013,862
59.00014,101
kJcal
60.00014,340
61.00014,579
62.00014,818
63.00015,057
64.00015,296
65.00015,535
66.00015,774
67.00016,013
68.00016,252
69.00016,491
70.00016,730
71.00016,969
72.00017,208
73.00017,447
74.00017,686
75.00017,925
76.00018,164
77.00018,403
78.00018,642
79.00018,881

Kilojoules to Calories Conversion

Converting Kilojoules (kJ) to Calories (cal) is a common energy and power conversion. 1 kJ equals 239.005736 cal. For example, 100 kJ is equal to 23,900.573614 cal.

Quick Mental Math: Kilojoules to Calories

Reference a unit table to convert kilojoules to calories.

Why is converting Kilojoules to Calories tricky?

No direct formula connects kilojoules and calories.

Quick Reference Values

1 kJ = 239.005736 cal. 5 kJ = 1,195.028681 cal. 10 kJ = 2,390.057361 cal. 25 kJ = 5,975.143403 cal. 50 kJ = 11,950.286807 cal. 100 kJ = 23,900.573614 cal.

What is Kilojoules?

Kilojoules (kJ) is a unit of energy and power. A kilojoule is a unit of energy equal to 1,000 joules. It quantifies work, heat, or energy transfer in the metric system, with one joule defined as one newton meter. Kilojoules are widely applied in physics, chemistry, and nutrition to measure energy content or expenditure [iso-80000]. The joule unit was named after James Prescott Joule in the late 19th century, reflecting mechanical equivalent of heat measurements. The kilojoule, as a multiple, became common with SI adoption to express larger energy quantities clearly and is standardized by ISO and BIPM [bipm-si-brochure]. Kilojoules are standard in scientific disciplines globally for energy quantification. Nutrition labels in many countries use kilojoules to indicate food energy content, while engineering and physics consistently apply kJ for energy calculations [nist-si-guide].

What is Calories?

Calories (cal) is a unit of energy and power. The calorie (cal) is defined as exactly 4.184 joules. It quantifies the energy needed to raise the temperature of one gram of water by 1°C under standard conditions. The calorie is widely used in chemistry and nutrition to express energy content [bipm-si-brochure]. The calorie was introduced in the early 19th century by Nicolas Clément and standardized internationally in the 20th century. It was adopted for practical energy measurement in chemistry and food science before the joule became the SI unit [bipm-si-brochure]. Calories remain common in food labeling, nutrition, and chemistry worldwide. The dietary Calorie (kcal) is prevalent in the US, Europe, and many countries while scientific contexts prefer the joule [bipm-si-brochure].

Common Misspellings

People often search for this conversion using these alternate spellings: kilojoule, kilo joules, kilojouls, kilojoules energy, kj, calorie, cal, calory, calo. All of these refer to the Kilojoules to Calories conversion.

Common Conversions