British thermal unit → Joule (Btu → J)

1 Btu = 1055.06 J
1 British thermal unit (Btu) = 1055.06 Joule (J).

British thermal unit (Btu):


Joule (J):

If you want to reverse convert, use Joule → British thermal unit. 1 J = 0.00094781339449889 Btu. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

British thermal unit to Joule formula: value in J = value in Btu × 1055.06.

Joule to British thermal unit formula: value in Btu = value in J × 0.00094781339449889.

How to convert British thermal unit to Joule

To convert British thermal unit to Joule, multiply the value in Btu by 1055.06. This gives the result in J.

For example, 1 Btu = 1055.06 J and 10 Btu = 10550.6 J.

What is British thermal unit?

British thermal unit (Btu): A heat-energy unit found in heating and cooling specifications; Btu/h instead measures power. 1 Btu ≈ 1055.06 J.

What is Joule?

Joule (J): The SI energy unit connects mechanical work with electrical energy. 1 J = 1 N·m = 1 W·s.

FAQ

British thermal unit → other Energy units

• 1 british thermal unit → joule = 1055.06 joule
• 1 british thermal unit → kilojoule = 1.05506 kilojoule
• 1 british thermal unit → megajoule = 0.00105506 megajoule
• 1 british thermal unit → calorie = 252.16539196941 calorie
• 1 british thermal unit → kilocalorie = 0.25216539196941 kilocalorie
• 1 british thermal unit → watt hour = 0.29307222222222 watt hour
• 1 british thermal unit → kilowatt hour = 0.00029307222222222 kilowatt hour
• 1 british thermal unit = 2.9307222222222E-7 megawatt hour
• 1 british thermal unit → foot pound = 778.17114366214 foot pound
• 1 british thermal unit = 6.5851665641006E+15 mega electron volt
• 1 british thermal unit = 6.5851665641006E+21 electron volt

British thermal unit → Joule Table

The table below shows common values from British thermal unit to Joule and the reverse direction for quick reference.

Joule → British thermal unit Table

Joule → British thermal unit

The reverse value is 1 J = 0.00094781339449889 Btu.