Kilojoule to Calorie (IT) Converter

Energy Converter

27 units available

Decimals:

From

To

238.845897

1 kJ = 238.845897 cal (IT)

Formula:

cal (IT) = kJ × 238.8458966275

With your value: 1 kJ = 238.84589663 cal (IT)

How big is that?

Everyday references on a logarithmic scale, all expressed in kilojoule so you can sanity-check the result.

Heartbeat (1/1.0e+3 your value)0.00100 kJ

Your value1.00 kJ

AA battery charge (10× your value)10.0 kJ

Slice of bread (2.8e+2× your value)280 kJ

Daily food intake (8.4e+3× your value)8.40e+3 kJ

Litre of petrol (3.4e+4× your value)3.42e+4 kJ

Other Kilojoule to Calorie (IT) conversions

2 kJ to cal (IT)3 kJ to cal (IT)4 kJ to cal (IT)5 kJ to cal (IT)6 kJ to cal (IT)7 kJ to cal (IT)8 kJ to cal (IT)

Kilojoule to Calorie (IT) Conversion Table

Kilojoule (kJ)	Calorie (IT) (cal (IT))
0.5	119.422948
1	238.845897
2	477.691793
5	1,194.229483
10	2,388.458966
15	3,582.688449
20	4,776.917933
25	5,971.147416
50	11,942.294831
100	23,884.589663
250	59,711.474157
500	119,422.948314
1000	238,845.896627

Calorie (IT) to Kilojoule Conversion Table

Calorie (IT) (cal (IT))	Kilojoule (kJ)
0.5	0.002093
1	0.004187
2	0.008374
5	0.020934
10	0.041868
15	0.062802
20	0.083736
25	0.10467
50	0.20934
100	0.41868
250	1.0467
500	2.0934
1000	4.1868

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.

Kilojoule (kJ)

Energy

Exact conversion

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

Calorie (IT) (cal (IT))

Energy

Exact conversion

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 Kilojoule to Calorie (IT)

To convert from Kilojoule (kJ) to Calorie (IT) (cal (IT)), multiply the value by 238.8458966275.

Formula: cal (IT) = kJ × 238.8458966275

Reverse: kJ = cal (IT) × 0.0041868

Step-by-Step Example

Start with your value in Kilojoule. For example: 5 kJ
Multiply by the conversion factor: 5 x 238.8458966275
The result is: 1,194.229483 cal (IT)

About Kilojoule

The kilojoule (kJ) is a unit of energy and work. One kilojoule equals 1000 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Calorie (IT)

The calorie (it) (cal (IT)) is a unit of energy and work. One calorie (it) equals 4.1868 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Calorie (IT) are in 1 Kilojoule?

There are exactly 238.8458966275 Calorie (IT) in 1 Kilojoule. This means the conversion factor from Kilojoule to Calorie (IT) is 238.8458966275.

What is the formula to convert Kilojoule to Calorie (IT)?

The formula to convert Kilojoule to Calorie (IT) is: cal (IT) = kJ × 238.8458966275. For example, to convert 10 Kilojoule to Calorie (IT), you would multiply 10 by 238.8458966275.

What is a Kilojoule?