Quickly change kilojoules to BTU and vice versa with Examples.com. Input your data for instant, precise conversions.

Conversion Factors:

  • Kilojoules to BTU: 1 BTU = 1.05506 kilojoules
  • BTU to Kilojoules: 1 kilojoule = 1/1.05506 BTU

How to Convert Kilojoules to BTU:

To convert kilojoules to BTU, divide the number of kilojoules by 1.05506.


Example: Convert 2000 kilojoules to BTU.

BTU=2000/1.05506=1895.71 BTU

How to Convert BTU to Kilojoules:

To convert BTU to kilojoules, multiply the number of BTU by 1.05506.


Example: Convert 3000 BTU to kilojoules.

Kilojoules=3000×1.05506=3165.18 kJ

Kilojoules to BTU Conversion Table

Kilojoules (kj)BTU (Btu)
1 kj0.94782 Btu
2 kj1.89564 Btu
3 kj2.84346 Btu
4 kj3.79128 Btu
5 kj4.73910 Btu
6 kj5.68692 Btu
7 kj6.63474 Btu
8 kj7.58256 Btu
9 kj8.53038 Btu
10 kj9.47820 Btu
20 kj18.9564 Btu
30 kj28.4346 Btu
40 kj37.9128 Btu
50 kj47.3910 Btu
60 kj56.8692 Btu
70 kj66.3474 Btu
80 kj75.8256 Btu
90 kj85.3038 Btu
100 kj94.7820 Btu

kj to btu Conversion Chart

BTU to Kilojoules Conversion Table

BTU (Btu)Kilojoules (kj)
1 Btu1.05506 kj
2 Btu2.11012 kj
3 Btu3.16518 kj
4 Btu4.22024 kj
5 Btu5.27530 kj
6 Btu6.33036 kj
7 Btu7.38542 kj
8 Btu8.44048 kj
9 Btu9.49554 kj
10 Btu10.5506 kj
20 Btu21.1012 kj
30 Btu31.6518 kj
40 Btu42.2024 kj
50 Btu52.7530 kj
60 Btu63.3036 kj
70 Btu73.8542 kj
80 Btu84.4048 kj
90 Btu94.9554 kj
100 Btu105.506 kj

btu to kj Conversion Chart

Difference Between Kilojoules to BTU

AspectKilojoules (kj)British Thermal Units (Btu)
DefinitionA kilojoule is a unit of energy in the International System of Units (SI).A BTU is a unit of energy used in the United States and some other countries.
SymbolRepresented by “kj”.Represented by “Btu”.
Conversion Factor1 kilojoule = 0.94782 BTU.1 BTU = 1.05506 kilojoules.
UsageCommonly used worldwide, especially in scientific contexts.Primarily used in the United States, especially in heating and air conditioning industries.
System of UnitsPart of the International System of Units (SI).Part of the British Imperial System and US customary units.
Energy MeasurementMeasures energy, work, or heat.Measures the amount of energy needed to raise the temperature of one pound of water by one degree Fahrenheit.
ApplicationUsed in various fields such as physics, chemistry, and nutrition.Commonly used in heating, ventilation, air conditioning, and refrigeration.
PrecisionMore precise for scientific calculations.Less precise compared to kilojoules for scientific purposes.

1. Solved Examples on Converting Kilojoules to BTU

Example 1

Problem: Convert 500 kilojoules to BTU.

Solution: BTU=500 kj/1.05506=473.38 Btu

So, 500 kilojoules is approximately 473.38 BTU.

Example 2

Problem: Convert 1000 kilojoules to BTU.

Solution: BTU=1000 kj/1.05506=947.82 Btu

Thus, 1000 kilojoules is approximately 947.82 BTU.

Example 3

Problem: Convert 250 kilojoules to BTU.

Solution: BTU=250 kj/1.05506=236.69 Btu

Therefore, 250 kilojoules is approximately 236.69 BTU.

Example 4

Problem: Convert 750 kilojoules to BTU.

Solution: BTU=750 kj/1.05506=710.73 Btu

Hence, 750 kilojoules is approximately 710.73 BTU.

Example 5

Problem: Convert 200 kilojoules to BTU.

Solution: BTU=200 kj/1.05506=189.52 Btu

So, 200 kilojoules is approximately 189.52 BTU.

2. Solved Examples on Converting BTU to Kilojoules

Example 1

Problem: Convert 500 BTU to kilojoules.

Solution: Kilojoules=500 Btu×1.05506=527.53 kj

So, 500 BTU is approximately 527.53 kilojoules.

Example 2

Problem: Convert 1000 BTU to kilojoules.

Solution: Kilojoules=1000 Btu×1.05506=1055.06 kj

Thus, 1000 BTU is approximately 1055.06 kilojoules.

Example 3

Problem: Convert 250 BTU to kilojoules.

Solution: Kilojoules=250 Btu×1.05506=263.77 kj

Therefore, 250 BTU is approximately 263.77 kilojoules.

Example 4

Problem: Convert 750 BTU to kilojoules.

Solution: Kilojoules=750 Btu×1.05506=791.30 kj

Hence, 750 BTU is approximately 791.30 kilojoules.

Example 5

Problem: Convert 200 BTU to kilojoules.

Solution: Kilojoules=200 Btu×1.05506=211.01 kj

So, 200 BTU is approximately 211.01 kilojoules.

What are some common uses for the kilojoule to BTU conversion?

Common uses for converting kilojoules to BTU include energy calculations in heating, ventilation, and air conditioning (HVAC) systems, as well as in power generation and energy efficiency assessments.

What is the significance of using BTU instead of kilojoules?

Using BTU instead of kilojoules is significant for expressing energy content in heating, ventilation, and air conditioning (HVAC) systems, making it easier for industry professionals to understand and work with energy measurements.

How do I express small amounts of energy in BTU?

Small amounts of energy can be directly expressed in BTU. For instance, 1 BTU is a small unit of energy typically used in the context of heating and cooling systems.

Why is it important to convert kilojoules to BTU?

Converting kilojoules to BTU is important in contexts where energy measurements are traditionally expressed in BTU, such as in the heating and cooling industries, especially in the United States.

Is there a quick way to estimate kilojoules to BTU conversion?

A quick way to estimate kilojoules to BTU conversion is to remember that approximately 1 kilojoule is equal to 0.95 BTU, though the exact conversion factor is 0.94782.