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BTU to Kilojoules converter

Convert BTU to kJ instantly. Type any value and get the result in kilojoules. 1 BTU = 1.05506 kJ.

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Energy›BTU → kJ
From
To
result below ↓
1 BTU=
1.05506kJ
formula1 BTU = 1.05506 kJ

Common btu → kilojoules

=1.05506 kJ
=2.11012 kJ
=5.2753 kJ
=10.5506 kJ
=21.1012 kJ
=52.753 kJ
=105.506 kJ
=527.53 kJ
=1,055.06 kJ

Need a different value? .

Convert the other way
Kilojoules to BTU

How to convert btu to kilojoules

To convert btu to kilojoules, multiply the value by 1.05506.

Formula
kJ = BTU × 1.05506

For example:

  • →5 BTU = 5.2753 kJ
  • →100 BTU = 105.506 kJ

Quick reference

  • ▸1 BTU = 1.05506 kJ
  • ▸1 kJ = 0.947813 BTU

When you need to convert BTU to kJ

  • ·Nutrition — converting calories to kilojoules on food labels.
  • ·Electricity bills — kWh consumption.
  • ·Heating — BTU ratings for furnaces.
  • ·Exercise — calorie burn during workouts.
  • ·Science — chemistry and physics problems.

Frequently asked

How many kilojoules are in 1 btu?
One btu equals 1.05506 kilojoules.
How do I convert BTU to kJ in my head?
Multiply the value in btu by 1.05506 to get kilojoules.
What is the formula for btu to kilojoules?
kJ = BTU × 1.05506.
What is the reverse — how many btu in 1 kilojoule?
One kilojoule equals 0.947813 btu.

Related conversions

Kilojoules to BTU
1 kJ = 0.947813 BTU
BTU to Joules
1 BTU = 1,055.06 J
BTU to Calories
1 BTU = 252.165 cal
BTU to Kilocalories
1 BTU = 0.252165 kcal
Joules to Kilojoules
1 J = 0.001 kJ
Calories to Kilojoules
1 cal = 0.004184 kJ
Kilocalories to Kilojoules
1 kcal = 4.184 kJ
Watt-hours to Kilojoules
1 Wh = 3.6 kJ
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