Watt hour → British thermal unit (Wh → Btu)

1 Wh = 3.412128220196 Btu
1 Watt hour (Wh) = 3.412128220196 British thermal unit (Btu).

Watt hour (Wh):


British thermal unit (Btu):

If you want to reverse convert, use British thermal unit → Watt hour. 1 Btu = 0.29307222222222 Wh. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

Watt hour to British thermal unit formula: value in Btu = value in Wh × 3.412128220196.

British thermal unit to Watt hour formula: value in Wh = value in Btu × 0.29307222222222.

How to convert Watt hour to British thermal unit

To convert Watt hour to British thermal unit, multiply the value in Wh by 3.412128220196. This gives the result in Btu.

For example, 1 Wh = 3.412128220196 Btu and 10 Wh = 34.12128220196 Btu.

What is Watt hour?

Watt hour (Wh): The energy used by a one-watt device running for one hour; common in battery specifications. 1 Wh = 1 W × 1 h = 3600 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.

FAQ

Watt hour → other Energy units

• 1 watt hour → joule = 3600 joule
• 1 watt hour → kilojoule = 3.6 kilojoule
• 1 watt hour → megajoule = 0.0036 megajoule
• 1 watt hour → calorie = 860.4206500956 calorie
• 1 watt hour → kilocalorie = 0.8604206500956 kilocalorie
• 1 watt hour → kilowatt hour = 0.001 kilowatt hour
• 1 watt hour = 1.0E-6 megawatt hour
• 1 watt hour → british thermal unit = 3.412128220196 british thermal unit
• 1 watt hour → foot pound = 2655.2197194318 foot pound
• 1 watt hour = 2.2469432668059E+16 mega electron volt
• 1 watt hour = 2.2469432668059E+22 electron volt

Watt hour → British thermal unit Table

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

British thermal unit → Watt hour Table

British thermal unit → Watt hour

The reverse value is 1 Btu = 0.29307222222222 Wh.