Energy conversion
1 watt-hour (Wh) equals 3.412141633128 btu (international table) (BTUₕᵀ). Enter any value below to convert from Wh to BTUₕᵀ.
Enter a value and choose units. Results update instantly.
1 Wh = 3.4121416331 BTUₕᵀ
| Unit | Value |
|---|---|
| Joule J | 3,600 |
| Kilojoule kJ | 3.6 |
| Thermochemical calorie cal | 860.4206500956 |
| Kilocalorie kcal | 0.8604206501 |
| Watt-hour Wh | 1 |
| Kilowatt-hour kWh | 0.001 |
| BTU (International Table) BTUₕᵀ | 3.4121416331 |
| Foot-pound ft·lb | 2,655.2237373982 |
| Electronvolt eV | 2.2469432668e22 |
Formula
Use this relationship for a direct conversion:
2 Wh = 6.8242832663 BTUₕᵀ.
The thermochemical calorie and International Table BTU are named explicitly to avoid ambiguous legacy definitions.
Quick reference
| Watt-hour (Wh) | BTU (International Table) (BTUₕᵀ) |
|---|---|
| 0.01 | 0.0341214163 |
| 0.1 | 0.3412141633 |
| 1 | 3.4121416331 |
| 2 | 6.8242832663 |
| 5 | 17.0607081656 |
| 10 | 34.1214163313 |
| 25 | 85.3035408282 |
| 50 | 170.6070816564 |
| 100 | 341.2141633128 |
| 1,000 | 3,412.1416331279 |
From unit
The energy from one watt sustained for one hour.
Symbol: Wh
To unit
The International Table British thermal unit.
Symbol: BTUₕᵀ
Keep converting
Source
Definitions are checked against NIST SP 811: Energy units. Calculations use full internal precision before display rounding.
View the complete energy converterQuestions
Use the formula BTUₕᵀ = Wh x 3.412141633128. 1 watt-hour (Wh) equals 3.412141633128 btu (international table) (BTUₕᵀ).
The thermochemical calorie and International Table BTU are named explicitly to avoid ambiguous legacy definitions.
