Gigajoule to Calorie (IT) Converter

Energy Converter

27 units available

Decimals:

From

To

238,845,896.627496

1 GJ = 238,845,896.627496 cal (IT)

Formula:

cal (IT) = GJ × 238,845,896.62749594

With your value: 1 GJ = 238,845,896.62749597 cal (IT)

How big is that?

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

Heartbeat (1/1.0e+9 your value)1.00e-9 GJ

AA battery charge (1/1.0e+5 your value)0.0000100 GJ

Slice of bread (1/3.6e+3 your value)0.000280 GJ

Daily food intake (1/1.2e+2 your value)0.00840 GJ

Litre of petrol (1/29 your value)0.0342 GJ

Your value1.00 GJ

Other Gigajoule to Calorie (IT) conversions

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

Gigajoule to Calorie (IT) Conversion Table

Gigajoule (GJ)	Calorie (IT) (cal (IT))
0.5	119,422,948.313748
1	238,845,896.627496
2	477,691,793.254992
5	1,194,229,483.13748
10	2,388,458,966.27496
15	3,582,688,449.41244
20	4,776,917,932.549919
25	5,971,147,415.687399
50	11,942,294,831.374798
100	23,884,589,662.749596
250	59,711,474,156.873985
500	119,422,948,313.74797
1000	238,845,896,627.49594

Calorie (IT) to Gigajoule Conversion Table

Calorie (IT) (cal (IT))	Gigajoule (GJ)
0.5	2.093400e-9
1	4.186800e-9
2	8.373600e-9
5	2.093400e-8
10	4.186800e-8
15	6.280200e-8
20	8.373600e-8
25	1.046700e-7
50	2.093400e-7
100	4.186800e-7
250	1.046700e-6
500	2.093400e-6
1000	4.186800e-6

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.

Gigajoule (GJ)

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 Gigajoule to Calorie (IT)

To convert from Gigajoule (GJ) to Calorie (IT) (cal (IT)), multiply the value by 238,845,896.62749594.

Formula: cal (IT) = GJ × 238,845,896.62749594

Reverse: GJ = cal (IT) × 4.186800e-9

Step-by-Step Example

Start with your value in Gigajoule. For example: 5 GJ
Multiply by the conversion factor: 5 x 238,845,896.62749594
The result is: 1,194,229,483.13748 cal (IT)

About Gigajoule

The gigajoule (GJ) is a unit of energy and work. One gigajoule equals 1.000000 × 10^+9 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 Gigajoule?

There are exactly 238,845,896.62749594 Calorie (IT) in 1 Gigajoule. This means the conversion factor from Gigajoule to Calorie (IT) is 238,845,896.62749594.

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

The formula to convert Gigajoule to Calorie (IT) is: cal (IT) = GJ × 238,845,896.62749594. For example, to convert 10 Gigajoule to Calorie (IT), you would multiply 10 by 238,845,896.62749594.

What is a Gigajoule?