NiftyRecipe Online energy conversion
cal/kJ 0.004184 kWh/kJ 3600 kJ/kWh 0.000278 kJ/MJ 0.001 MJ/kcal 239.005736 kWh/kcal 860.42065
BTU / kJ

British thermal unit to Kilojoule converter

1 BTU = 1.055056 kJ

This is the British thermal unit to Kilojoule converter. 1 BTU = 1.0550558526200113 kJ.

Enter a value and click Calculate - opens the page with the new result

Formula: BTU to kilojoule

kJ = BTU × 1.055056 (1 BTU = 1.055056 KJ)

Reference values: BTU → kilojoule
BTU kJ
1 BTU 1.055056 kJ
100 BTU 105.505585 kJ
200 BTU 211.011171 kJ
500 BTU 527.527926 kJ
1000 BTU 1055.055853 kJ
2000 BTU 2110.111705 kJ
Common conversions
FAQ for BTU → kJ
BTU vs kcal?

Both measure energy. Roughly 1 kcal ≈ 3.97 BTU (IT). Use the exact factor on this page.

Manual conversion?

kJ = BTU × 1.055056 (1 BTU = 1.055056 KJ)

Reverse?

1 kilojoule ≈ 0.947817 BTU.

How much is 1 BTU in kilojoule?

1.055056 kilojoule (1 BTU = 1.055056 kilojoule).

What is a BTU?

British thermal unit-energy needed to raise the temperature of water; common for AC and heating capacity ratings.

How the British thermal unit to Kilojoule converter works

This hub describes the pair, not a single number.

NiftyRecipe shows the factor and selected amount pages.