BTU (th) to Kilowatt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

0.000293

1 BTU = 0.000293 kWh

Formula:

kWh = BTU × 0.000292875

With your value: 1 BTU = 0.00029287 kWh

How big is that?

Everyday references on a logarithmic scale, all expressed in btu (th) so you can sanity-check the result.

Heartbeat (1/1.1e+3 your value)0.000948 BTU

Your value1.00 BTU

AA battery charge (9.5× your value)9.48 BTU

Slice of bread (2.7e+2× your value)266 BTU

Daily food intake (8.0e+3× your value)7.97e+3 BTU

Litre of petrol (3.2e+4× your value)3.24e+4 BTU

Other BTU (th) to Kilowatt-Hour conversions

2 BTU to kWh 3 BTU to kWh 4 BTU to kWh 5 BTU to kWh 6 BTU to kWh 7 BTU to kWh 8 BTU to kWh

BTU (th) to Kilowatt-Hour Conversion Table

BTU (th) (BTU)	Kilowatt-Hour (kWh)
0.5	0.000146
1	0.000293
2	0.000586
5	0.001464
10	0.002929
15	0.004393
20	0.005858
25	0.007322
50	0.014644
100	0.029287
250	0.073219
500	0.146438
1000	0.292875

Kilowatt-Hour to BTU (th) Conversion Table

Kilowatt-Hour (kWh)	BTU (th) (BTU)
0.5	1,707.212975
1	3,414.42595
2	6,828.851899
5	17,072.129748
10	34,144.259496
15	51,216.389245
20	68,288.518993
25	85,360.648741
50	170,721.297482
100	341,442.594964
250	853,606.487409
500	1,707,212.974819
1000	3,414,425.949637

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

BTU (th) (BTU)

Energy

Exact conversion

The International Table BTU is exactly 1055.055 852 62 J.

Thermochemical and 39 °F BTU definitions differ by up to 0.2 %.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilowatt-Hour (kWh)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert BTU (th) to Kilowatt-Hour

To convert from BTU (th) (BTU) to Kilowatt-Hour (kWh), multiply the value by 0.000292875.

Formula: kWh = BTU × 0.000292875

Reverse: BTU = kWh × 3,414.4259496372

Step-by-Step Example

Start with your value in BTU (th). For example: 5 BTU
Multiply by the conversion factor: 5 x 0.000292875
The result is: 0.001464 kWh

About BTU (th)

The btu (th) (BTU) is a unit of energy and work. One btu (th) equals 1054.35 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Kilowatt-Hour

The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.

Common uses: electricity bills, energy consumption, appliances.

Frequently Asked Questions

How many Kilowatt-Hour are in 1 BTU (th)?

There are exactly 0.000292875 Kilowatt-Hour in 1 BTU (th). This means the conversion factor from BTU (th) to Kilowatt-Hour is 0.000292875.

What is the formula to convert BTU (th) to Kilowatt-Hour?

The formula to convert BTU (th) to Kilowatt-Hour is: kWh = BTU × 0.000292875. For example, to convert 10 BTU (th) to Kilowatt-Hour, you would multiply 10 by 0.000292875.

What is a BTU (th)?