All Unit Conversions

British Thermal Unit to Kilojoule Converter

Quick Answer

1 BTU = 1.05506 kJ

Formula: Kilojoule = British Thermal Unit x 1.05506

Formula verifiedLive calculation

From (British Thermal Unit)BTU

To (Kilojoule)

1.05506kJ

Quick values

British Thermal Unit to Kilojoule Conversion Table

British Thermal Unit (BTU)	Kilojoule (kJ)	Formula Step
1	1.05506	1 x 1.05506
2	2.11012	2 x 1.05506
3	3.16518	3 x 1.05506
4	4.22024	4 x 1.05506
5	5.2753	5 x 1.05506
6	6.33036	6 x 1.05506
7	7.38542	7 x 1.05506
8	8.44048	8 x 1.05506
9	9.49554	9 x 1.05506
10	10.5506	10 x 1.05506

Convert British Thermal Unit to Other Energy Units

British Thermal Unit to Watt Hour British Thermal Unit to Ton of TNT British Thermal Unit to Ton of Oil Equivalent British Thermal Unit to Ton of Coal Equivalent British Thermal Unit to Therm (US)British Thermal Unit to Therm (EC)British Thermal Unit to Therm British Thermal Unit to Terawatt Hour British Thermal Unit to Terajoule British Thermal Unit to Teraelectron Volt British Thermal Unit to Rydberg British Thermal Unit to Quintillion BTU British Thermal Unit to Quadrillion BTU British Thermal Unit to Planck Energy British Thermal Unit to Picojoule British Thermal Unit to Petajoule British Thermal Unit to Newton Meter British Thermal Unit to Nanojoule British Thermal Unit to Milliwatt Hour British Thermal Unit to Millijoule British Thermal Unit to Millicalorie British Thermal Unit to Microwatt Hour British Thermal Unit to Microjoule British Thermal Unit to Megawatt Hour British Thermal Unit to Megaton of TNT British Thermal Unit to Megajoule British Thermal Unit to Megaelectron Volt British Thermal Unit to Megacalorie British Thermal Unit to Liter-Atmosphere British Thermal Unit to Kilowatt Hour British Thermal Unit to Kiloton of TNT British Thermal Unit to Kilojoule British Thermal Unit to Kiloelectron Volt British Thermal Unit to Kilocalorie British Thermal Unit to Joule British Thermal Unit to Inch-Pound British Thermal Unit to Inch-Ounce British Thermal Unit to Horsepower Hour British Thermal Unit to Hartree British Thermal Unit to Gram-Force Meter British Thermal Unit to Gigawatt Hour British Thermal Unit to Gigajoule British Thermal Unit to Gigaelectron Volt British Thermal Unit to Foot-Poundal British Thermal Unit to Foot-Pound British Thermal Unit to Femtojoule British Thermal Unit to Exajoule British Thermal Unit to Erg British Thermal Unit to Electron Volt British Thermal Unit to Dyne Centimeter British Thermal Unit to Cubic Foot of Natural Gas British Thermal Unit to Calorie British Thermal Unit to Barrel of Oil Equivalent British Thermal Unit to Attojoule

Frequently Asked Questions

How do you convert British Thermal Unit to Kilojoule?

Use the formula Kilojoule = British Thermal Unit x 1.05506. For example: 1 BTU = 1.05506 kJ. Our calculator handles this automatically.

How many Kilojoules in a British Thermal Unit?

1 BTU = 1.05506 kJ.

Why would I need to convert British Thermal Unit to Kilojoule?

Converting British Thermal Unit to Kilojoule is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

1.05506

kJ per BTU

0.947813

BTU per kJ

Contents

Formula audit

Kilojoule = British Thermal Unit x 1.05506

1 BTU = 1.05506 kJ

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryEnergy

Input unitBritish Thermal Unit (BTU)

Output unitKilojoule (kJ)