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Calorie to Electronvolt

Convert Calorie to Electronvolt and get the exact value instantly.

About this conversion

To convert Calorie to Electronvolt, multiply the number of Calorie by 2.611447e19.

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

Calorie (cal)Electronvolt (eV)
1 cal2.611447e19 eV
2 cal5.222895e19 eV
5 cal1.305724e20 eV
10 cal2.611447e20 eV
100 cal2.611447e21 eV

How to use this converter

  1. Enter your Calorie value

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

  2. Read the Electronvolt result

    The amount in Electronvolt 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 Electronvolt are in one Calorie?
One Calorie equals 2.611447e19 eV. 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 Calorie to Electronvolt 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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