Kilowatt-Hours to British Thermal Units

1 kWh = 3,412.142 BTU

From

How to convert kilowatt-hours to British thermal units

BTU = kWh × 3,412.142

Example: 5 kWh = 17,060.71 BTU

Kilowatt-Hours to British Thermal Units conversion table

Kilowatt-Hours (kWh)	British Thermal Units (BTU)
1 kWh	3,412.142 BTU
2 kWh	6,824.283 BTU
3 kWh	10,236.42 BTU
4 kWh	13,648.57 BTU
5 kWh	17,060.71 BTU
6 kWh	20,472.85 BTU
7 kWh	23,884.99 BTU
8 kWh	27,297.13 BTU
9 kWh	30,709.27 BTU
10 kWh	34,121.42 BTU
15 kWh	51,182.12 BTU
20 kWh	68,242.83 BTU
25 kWh	85,303.54 BTU
30 kWh	102,364.2 BTU
40 kWh	136,485.7 BTU
50 kWh	170,607.1 BTU
75 kWh	255,910.6 BTU
100 kWh	341,214.2 BTU
250 kWh	853,035.4 BTU
500 kWh	1,706,071 BTU
1,000 kWh	3,412,142 BTU

About the units

Kilowatt-Hours: The kilowatt-hour is the energy used by a 1 kW device in one hour, equal to 3.6 megajoules. Electricity bills are measured in kWh.

British Thermal Units: The British thermal unit (BTU, International Table) is about 1,055 joules, used for heating and air-conditioning capacity.

Frequently asked questions

How many British thermal units are in 1 kilowatt-hour?

1 kilowatt-hour equals 3,412.142 British thermal units.

How many kilowatt-hours are in 1 British thermal unit?

1 British thermal unit equals 0.0002930711 kilowatt-hours.

How do I convert kilowatt-hours to British thermal units?

Use the formula BTU = kWh × 3,412.142.

What is 10 kilowatt-hours in British thermal units?

10 kilowatt-hours equals 34,121.42 British thermal units.

Related conversions

Sources

Conversion factors use the exact definitions published by NIST and the BIPM, and are checked by automated tests against those definitions.

Last updated: October 17, 2026