Joule → British thermal unit (J → Btu)

1 J = 0.00094781339449889 Btu
1 Joule (J) = 0.00094781339449889 British thermal unit (Btu).

Joule (J):


British thermal unit (Btu):

If you want to reverse convert, use British thermal unit → Joule. 1 Btu = 1055.06 J. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

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

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

How to convert Joule to British thermal unit

To convert Joule to British thermal unit, multiply the value in J by 0.00094781339449889. This gives the result in Btu.

For example, 1 J = 0.00094781339449889 Btu and 10 J = 0.0094781339449889 Btu.

What is Joule?

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

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.

FAQ

Joule → other Energy units

• 1 joule → kilojoule = 0.001 kilojoule
• 1 joule = 1.0E-6 megajoule
• 1 joule → calorie = 0.23900573613767 calorie
• 1 joule → kilocalorie = 0.00023900573613767 kilocalorie
• 1 joule → watt hour = 0.00027777777777778 watt hour
• 1 joule = 2.7777777777778E-7 kilowatt hour
• 1 joule = 2.7777777777778E-10 megawatt hour
• 1 joule → british thermal unit = 0.00094781339449889 british thermal unit
• 1 joule → foot pound = 0.7375610331755 foot pound
• 1 joule = 6241509074460.8 mega electron volt
• 1 joule = 6.2415090744608E+18 electron volt

Joule → British thermal unit Table

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

British thermal unit → Joule Table

British thermal unit → Joule

The reverse value is 1 Btu = 1055.06 J.