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Gigajoule to Calorie

Convert Gigajoule to Calorie and get the exact value instantly.

About this conversion

To convert Gigajoule to Calorie, multiply the number of Gigajoule by 239005736.1.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Gigajoule (GJ)Calorie (cal)
1 GJ239005736.1 cal
2 GJ478011472.3 cal
5 GJ1195028681 cal
10 GJ2390057361 cal
100 GJ23900573610 cal

How to use this converter

  1. Enter your Gigajoule value

    Type any number into the Gigajoule field. It starts at 1 so you can read the rate straight away.

  2. Read the Calorie result

    The amount in Calorie updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Calorie are in one Gigajoule?
One Gigajoule equals 239005736.1 cal. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Gigajoule to Calorie conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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