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Calorie to Ton of TNT

Convert Calorie to Ton of TNT and get the exact value instantly.

About this conversion

To convert Calorie to Ton of TNT, multiply the number of Calorie by 1e-9.

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)Ton of TNT (tTNT)
1 cal1e-9 tTNT
2 cal2e-9 tTNT
5 cal5e-9 tTNT
10 cal1e-8 tTNT
100 cal1e-7 tTNT

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 Ton of TNT result

    The amount in Ton of TNT 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 Ton of TNT are in one Calorie?
One Calorie equals 1e-9 tTNT. 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 Ton of TNT 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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