Kilowatt-Hour to BTU (th) Converter

Energy Converter

27 units available

Decimals:

From

To

3,414.42595

1 kWh = 3,414.42595 BTU

Formula:

BTU = kWh × 3,414.4259496372

With your value: 1 kWh = 3,414.42594964 BTU

How big is that?

Everyday references on a logarithmic scale, all expressed in kilowatt-hour so you can sanity-check the result.

Heartbeat (1/3.6e+6 your value)2.78e-7 kWh

AA battery charge (1/3.6e+2 your value)0.00278 kWh

Slice of bread (1/13 your value)0.0778 kWh

Your value1.00 kWh

Daily food intake (2.3× your value)2.33 kWh

Litre of petrol (9.5× your value)9.50 kWh

Other Kilowatt-Hour to BTU (th) conversions

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

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

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

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.

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

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

How to Convert Kilowatt-Hour to BTU (th)

To convert from Kilowatt-Hour (kWh) to BTU (th) (BTU), multiply the value by 3,414.4259496372.

Formula: BTU = kWh × 3,414.4259496372

Reverse: kWh = BTU × 0.000292875

Step-by-Step Example

Start with your value in Kilowatt-Hour. For example: 5 kWh
Multiply by the conversion factor: 5 x 3,414.4259496372
The result is: 17,072.129748 BTU

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.

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.

Frequently Asked Questions

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

There are exactly 3,414.4259496372 BTU (th) in 1 Kilowatt-Hour. This means the conversion factor from Kilowatt-Hour to BTU (th) is 3,414.4259496372.

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

The formula to convert Kilowatt-Hour to BTU (th) is: BTU = kWh × 3,414.4259496372. For example, to convert 10 Kilowatt-Hour to BTU (th), you would multiply 10 by 3,414.4259496372.

What is a Kilowatt-Hour?