British thermal unit (mean)
| Symbol: | Btu (mean) |
| Category: | Energy |
| SI Equivalent: | 1055.87 J |
| Dimension: | ML2T-2 |
| System: | UK |
| Notes | |
| Equals to 1/180 of the heat needed to raise the temperature of one pound of air-free water from 32°F to 212°F at 1 atm (101325 Pa). | |
59 conversions, showing those commonly used | Show all
1 Btu (mean) =
| Energy | ||
| Symbol | Unit Name | |
| 1.72528×10-7 | bboe | barrel oil equivalent |
| 1.00077 | Btu (IT) | British thermal unit (IT) |
| 1.00144 | Btu (therm.) | British thermal unit (thermochemical) |
| 0.2526 | Cal, kcal | Calorie (diet kilocalorie) |
| 251.996 | calmean | calorie (mean) |
| 252.359 | cal (therm.) | calorie (thermochemical) |
| 6.59022×1021 | eV | electronvolt |
| 1.05587×1010 | erg | erg |
| 778.77 | ft-lbf | foot-pound force |
| 2.50562×104 | ft-pdl | foot-poundal |
| 3.93318×10-4 | Hp-h | horsepower (550ft-lbf/s)-hour |
| 1055.87 | J | joule |
| 0.252269 | kcal15 | kilocalorie (15°C) |
| 0.251129 | kcal4 | kilocalorie (4°C) |
| 1.05587 | kJ | kilojoule |
| 2.526×10-10 | kt (TNT) | kiloton TNT equivalent |
| 2.93297×10-4 | kWh | kilowatt-hour |
| 6.59022×1015 | MeV | megaelectronvolt |
| 1.05587×10-3 | MJ | megajoule |
| 2.526×10-13 | Mt (TNT) | megaton TNT equivalent |
| 3.60488×10-8 | tce | tce (tonne coal equivalent) |
| 1.00101×10-5 | therm (US) | |
| 2.526×10-7 | ton (TNT) | ton TNT equivalent |
| 0.293297 | Wh | watt hour |
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