How many Ton of TNT are in one British thermal unit?

One British thermal unit equals 2.521644e-7 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 British thermal unit 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.

All converters

British thermal unit to Ton of TNT

Convert British thermal unit to Ton of TNT and get the exact value instantly.

British thermal unit (BTU)Ton of TNT (tTNT)2.521644e-7

1 BTU = 2.521644e-7 tTNT

Related conversions

British thermal unit → Joule British thermal unit → Kilojoule British thermal unit → Megajoule British thermal unit → Gigajoule British thermal unit → Calorie British thermal unit → Kilocalorie British thermal unit → Watt hour British thermal unit → Kilowatt hour

About this conversion

To convert British thermal unit to Ton of TNT, multiply the number of British thermal unit by 2.521644e-7.

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

British thermal unit (BTU)	Ton of TNT (tTNT)
1 BTU	2.521644e-7 tTNT
2 BTU	5.043288e-7 tTNT
5 BTU	0.000001260822004 tTNT
10 BTU	0.000002521644007 tTNT
100 BTU	0.00002521644007 tTNT

How to use this converter

Enter your British thermal unit value
Type any number into the British thermal unit field. It starts at 1 so you can read the rate straight away.
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.
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 British thermal unit?: One British thermal unit equals 2.521644e-7 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 British thermal unit 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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