Home › Unit Conversion › Kilowatt-hours to BTU
Kilowatt-hours to BTU (kWh to BTU)
Convert kilowatt-hours to BTU: 1 kWh = 3412.14 BTU. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 kWh = 3412.14 BTU
BTU = kilowatt-hours × 3412.141633 — reverse: kilowatt-hours = BTU × 0.0002930710702
The factor is derived from the SI definitions of both units (base unit: J) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 kWh = 17060.7 BTU
- 12.5 kWh = 42651.8 BTU
- 100 kWh = 341214 BTU
Kilowatt-hours to BTU conversion table
| Kilowatt-hours (kWh) | BTU (BTU) |
|---|---|
| 1 | 3412.14 |
| 2 | 6824.28 |
| 3 | 10236.4 |
| 4 | 13648.6 |
| 5 | 17060.7 |
| 6 | 20472.8 |
| 7 | 23885 |
| 8 | 27297.1 |
| 9 | 30709.3 |
| 10 | 34121.4 |
| 15 | 51182.1 |
| 20 | 68242.8 |
| 25 | 85303.5 |
| 30 | 102364 |
| 40 | 136486 |
| 50 | 170607 |
| 75 | 255911 |
| 100 | 341214 |
| 200 | 682428 |
| 250 | 853035 |
| 500 | 1706070 |
| 1000 | 3412140 |
FAQ
How many BTU are in one kilowatt-hour?
1 kWh = 3412.14 BTU. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert kilowatt-hours to BTU?
Multiply the value in kilowatt-hours by 3412.141633: BTU = kilowatt-hours × 3412.141633. For example, 5 kWh = 17060.7 BTU.
How do I convert BTU back to kilowatt-hours?
Multiply by the inverse factor 0.0002930710702 (kilowatt-hours = BTU × 0.0002930710702), or use the BTU-to-kilowatt-hours page.
Related conversions
- BTU to kilowatt-hours (reverse)
- Energy Converter — all energy units in one tool
- Kilocalories (food calories) to Kilojoules
- Kilojoules to Kilocalories (food calories)
- Joules to Calories (small, thermochemical)
- Calories (small, thermochemical) to Joules
- Kilowatt-hours to Megajoules
- Megajoules to Kilowatt-hours
- BTU to Joules
- Joules to BTU
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kWh&to_unit=BTU - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"kWh","to_unit":"BTU"} - Markdown: https://tttkmbb.com/conversion/kwh-to-btu.md · JSON: https://tttkmbb.com/conversion/kwh-to-btu.json (add
?value=for a result) · Units: /api/v1/units?quantity=energy - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.