Kilowatt-hours to BTU Converter kWh → BTU
1 kilowatt-hour (kWh) = 3412.141633 BTU (BTU). Type a value below — the conversion happens instantly, entirely on your device.
1 kWh = 3412.141633 BTU
1 kilowatt-hours = 3412.1416 BTU
1 × 3412.14 = 3412.1416
1 kWh equals 3412.14 BTU, so multiplying by 3412.14 converts the value. The result describes the exact same quantity — only the measuring stick changes.
How to convert kilowatt-hours to BTU
BTU = kilowatt-hours × 3412.141633 — multiply the kilowatt-hour value by 3412.14.
Example: 1 kWh = 3412.14 BTU.
To convert the other way: kilowatt-hours = BTU ÷ 3412.141633 — or use the dedicated BTU to kWh converter .
1 kWh equals 3,412.14 BTU. This conversion sizes heating and cooling: a 12,000 BTU/h air conditioner (one "ton" of cooling) consumes roughly 3.5 kWh per hour of runtime at typical efficiency.
Kilowatt-hours to BTU conversion table
| Kilowatt-hours (kWh) | BTU (BTU) |
|---|---|
| 0.1 | 341.21416 |
| 0.25 | 853.03541 |
| 0.5 | 1706.0708 |
| 1 | 3412.1416 |
| 2 | 6824.2833 |
| 3 | 10,236.425 |
| 4 | 13,648.567 |
| 5 | 17,060.708 |
| 6 | 20,472.85 |
| 7 | 23,884.991 |
| 8 | 27,297.133 |
| 9 | 30,709.275 |
| 10 | 34,121.416 |
| 15 | 51,182.124 |
| 20 | 68,242.833 |
| 25 | 85,303.541 |
| 30 | 102,364.25 |
| 40 | 136,485.67 |
| 50 | 170,607.08 |
| 75 | 255,910.62 |
| 100 | 341,214.16 |
| 250 | 853,035.41 |
| 500 | 1,706,070.8 |
| 1000 | 3,412,141.6 |
About the units
What is a kilowatt-hour?
A kilowatt-hour (kWh) is 3.6 million joules — the unit on your electricity bill. Running a 1,000 W appliance for one hour uses exactly 1 kWh.
What is a british thermal unit?
A British thermal unit (BTU) is about 1,055 joules — the energy to heat one pound of water by 1 °F. Air conditioners and heaters are rated in BTU per hour.
Frequently asked questions
How many BTU are in 1 kilowatt-hour?
1 kilowatt-hour (kWh) = 3412.141633 BTU (BTU).
What is the formula to convert kilowatt-hours to BTU?
BTU = kilowatt-hours × 3412.141633 — multiply the kilowatt-hour value by 3412.14.
How do I convert kWh to BTU without a calculator?
Multiply by 3410 for a close estimate. Exact factor: 1 kWh = 3412.141633 BTU.
Is this kWh-to-BTU converter accurate and private?
Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.