Home › Unit Conversion › BTU to Kilowatt-hours
BTU to Kilowatt-hours (BTU to kWh)
Convert BTU to kilowatt-hours: 1 BTU = 0.000293071 kWh. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 BTU = 0.000293071 kWh
kilowatt-hours = BTU × 0.0002930710702 — reverse: BTU = kilowatt-hours × 3412.141633
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 BTU = 0.00146536 kWh
- 12.5 BTU = 0.00366339 kWh
- 100 BTU = 0.0293071 kWh
BTU to kilowatt-hours conversion table
| BTU (BTU) | Kilowatt-hours (kWh) |
|---|---|
| 1 | 0.000293071 |
| 2 | 0.000586142 |
| 3 | 0.000879213 |
| 4 | 0.00117228 |
| 5 | 0.00146536 |
| 6 | 0.00175843 |
| 7 | 0.0020515 |
| 8 | 0.00234457 |
| 9 | 0.00263764 |
| 10 | 0.00293071 |
| 15 | 0.00439607 |
| 20 | 0.00586142 |
| 25 | 0.00732678 |
| 30 | 0.00879213 |
| 40 | 0.0117228 |
| 50 | 0.0146536 |
| 75 | 0.0219803 |
| 100 | 0.0293071 |
| 200 | 0.0586142 |
| 250 | 0.0732678 |
| 500 | 0.146536 |
| 1000 | 0.293071 |
FAQ
How many kilowatt-hours are in one BTU?
1 BTU = 0.000293071 kWh. 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 BTU to kilowatt-hours?
Multiply the value in BTU by 0.0002930710702: kilowatt-hours = BTU × 0.0002930710702. For example, 5 BTU = 0.00146536 kWh.
How do I convert kilowatt-hours back to BTU?
Multiply by the inverse factor 3412.141633 (BTU = kilowatt-hours × 3412.141633), or use the kilowatt-hours-to-BTU page.
Related conversions
- Kilowatt-hours to BTU (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=BTU&to_unit=kWh - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"BTU","to_unit":"kWh"} - Markdown: https://tttkmbb.com/conversion/btu-to-kwh.md · JSON: https://tttkmbb.com/conversion/btu-to-kwh.json (add
?value=for a result) · Units: /api/v1/units?quantity=energy - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.