BTU to Watt-hour Converter (BTU to Wh)

How to Convert BTU to Watt-hour

Formula: Watt-hour = BTU × 0.29307222

Example: 1 BTU = 0.29307222 Wh

You can also use the interactive converter above. Simply enter any BTU value and the equivalent Watt-hour value will appear instantly. Click the ⇄ button to reverse the conversion.

Beyond the calculator above, it helps to understand what these two units actually represent and where you will run into them in everyday life.

What is BTU and Watt-hour?

A BTU (British Thermal Unit) is an imperial energy unit, used mainly for rating heating and cooling equipment.

A Watt-hour (Wh) is a small electrical energy unit equal to one-thousandth of a kilowatt-hour.

Real World Uses of BTU to Watt-hour Conversion

• BTU: Commonly used for specifying water heater and boiler energy capacity in the US.
• Watt-hour: Commonly used for specifying small appliance and electronics energy use.

Frequently Asked Questions

What is the formula to convert BTU to Watt-hour?

The formula is: Watt-hour = BTU x 0.29307222. Multiply any BTU value by 0.29307222 to get the equivalent in Watt-hour.

What is 1 BTU in Watt-hour?

1 BTU = 0.29307222 Wh.

How many BTU are in 1 Watt-hour?

1 Wh = 3.41212824606849 BTU.

Is BTU bigger or smaller than Watt-hour?

BTU is smaller than Watt-hour. 1 Watt-hour = 3.41212824606849 BTU.