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Kilojoule to British thermal unit

Convert Kilojoule to British thermal unit and get the exact value instantly.

About this conversion

To convert Kilojoule to British thermal unit, multiply the number of Kilojoule by 0.9478171203.

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

Kilojoule (kJ)British thermal unit (BTU)
1 kJ0.9478171203 BTU
2 kJ1.895634241 BTU
5 kJ4.739085602 BTU
10 kJ9.478171203 BTU
100 kJ94.78171203 BTU

How to use this converter

  1. Enter your Kilojoule value

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

  2. Read the British thermal unit result

    The amount in British thermal unit 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 British thermal unit are in one Kilojoule?
One Kilojoule equals 0.9478171203 BTU. 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 Kilojoule to British thermal unit 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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