Energy & work
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert International Table British thermal unit (BtuIT) to watt-hour (Wh). Enter a value for an instant result, or use the examples and reverse conversion below.
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a International Table British thermal unit value to calculate watt-hour with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| ergfrom BtuIT | erg | 10550600000 |
| microjoulefrom BtuIT | µJ | 1055060000 |
| millijoulefrom BtuIT | mJ | 1055060 |
| joulefrom BtuIT | J | 1055.06 |
| kilojoulefrom BtuIT | kJ | 1.05506 |
| megajoulefrom BtuIT | MJ | 0.00105506 |
| gigajoulefrom BtuIT | GJ | 0.00000105506 |
| watt-hourfrom BtuIT | Wh | 0.293071 |
| kilowatt-hourfrom BtuIT | kWh | 0.000293071 |
| megawatt-hourfrom BtuIT | MWh | 0.000000293071 |
| thermochemical caloriefrom BtuIT | calₜₕ | 252.164 |
| thermochemical kilocaloriefrom BtuIT | kcalₜₕ | 0.252164 |
| International Table caloriefrom BtuIT | calIT | 251.996 |
| International Table British thermal unitfrom BtuIT | BtuIT | 1 |
| U.S. thermfrom BtuIT | therm US | 0.0000100024 |
| foot pound-forcefrom BtuIT | ft·lbf | 778.169 |
| electronvoltfrom BtuIT | eV | 6.58514e21 |
| kiloelectronvoltfrom BtuIT | keV | 6.58514e18 |
| megaelectronvoltfrom BtuIT | MeV | 6.58514e15 |
| gigaelectronvoltfrom BtuIT | GeV | 6585140000000 |
| ton of TNTfrom BtuIT | t TNT | 0.000000252164 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
International Table British Thermal Unit (BtuIT) and watt-hour (Wh) are units of energy & work. Use this page to convert in either direction.
| International Table British Thermal Unit (BtuIT) | Watt-hour (Wh) |
|---|---|
| 1 BtuIT | 0.293071 Wh |
| 5 BtuIT | 1.46536 Wh |
| 10 BtuIT | 2.93071 Wh |
| 100 BtuIT | 29.3071 Wh |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Wh to BtuIT (watt-hour to International Table British thermal unit)