btu to kwh | Exact Decimal + Formula

1 BTU = 0.000293 Kilowatt-hour

BTU to kilowatt-hours helps compare US heating/cooling appliance ratings with metric electricity consumption figures.

About BTU and Kilowatt-hour

BTU (BTU)

A British thermal unit (BTU) is the heat needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.

Where it's used: HVAC heating and cooling ratings, gas appliances, and barbecue grills.

Kilowatt-hour (kWh)

A kilowatt-hour is 1,000 watt-hours — one kilowatt of power for one hour.

Where it's used: Electricity billing: the standard unit on household power bills worldwide.

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Precision

Formula

kWh = BTU × 0.000293071

To convert BTU to Kilowatt-hour, use the formula displayed above.

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BTU to Kilowatt-hour: Quick Reference Table

BTU	Kilowatt-hour (Decimal)	Fraction	Real-world equivalent
0.001 BTU	2.9307e-7 kWh	-	fractional unit measurement
0.01 BTU	0.000003 kWh	-	fractional unit measurement
0.1 BTU	0.000029 kWh	-	fractional unit measurement
0.5 BTU	0.000147 kWh	-	fractional unit measurement
1 BTU	0.000293 kWh	-	fractional unit measurement
2 BTU	0.000586 kWh	-	fractional unit measurement
5 BTU	0.001465 kWh	-	fractional unit measurement
10 BTU	0.002931 kWh	-	fractional unit measurement
25 BTU	0.007327 kWh	-	fractional unit measurement
50 BTU	0.014654 kWh	-	fractional unit measurement
100 BTU	0.029307 kWh	-	fractional unit measurement
250 BTU	0.073268 kWh	-	fractional unit measurement
500 BTU	0.146536 kWh	-	fractional unit measurement
1000 BTU	0.293071 kWh	-	fractional unit measurement

BTU to kWh Formula and Examples

Direct Formula kWh = BTU × 0.000293071

Inverse Formula BTU = kWh × 3412.141633

Mental Math Shortcut

Divide the value by roughly 3412.1 to quickly estimate the converted result.

Common BTU to Kilowatt-hour Calculations

5 BTU = 0.001465 kWh
10 BTU = 0.002931 kWh
50 BTU = 0.014654 kWh
100 BTU = 0.029307 kWh
500 BTU = 0.146536 kWh

Precision & Practical Use

For example, 10 BTU = 0.002931 kWh — roughly fractional unit measurement.

Utility bills and appliance ratings are given in whole kWh or BTU. Round converted figures to match the source document you're comparing against.

How to Convert BTU to Kilowatt-hour

How many kilowatt-hours are in one btu?

One BTU (BTU) equals 0.000293 Kilowatt-hour (kWh). To convert btus to kilowatt-hours, multiply the btu value by 0.000293.

How do I convert BTU to Kilowatt-hour?

Multiply your btu value by 0.000293 to get the result in Kilowatt-hour: kWh = BTU × 0.000293. For example, 5 BTU = 0.001465 kWh.

What is the formula for converting BTU to kWh?

The conversion formula is kWh = BTU × 0.000293. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for BTU to kWh?