British thermal unit (ISO)
59 conversions, showing those commonly used | Show all
1 Btu (ISO) =
| Energy | ||
| Symbol | Unit Name | |
| 1.72395×10-7 | bboe | barrel oil equivalent |
| 1 | Btu (IT) | British thermal unit (IT) |
| 0.999233 | Btu (mean) | British thermal unit (mean) |
| 1.00067 | Btu (therm.) | British thermal unit (thermochemical) |
| 0.252407 | Cal, kcal | Calorie (diet kilocalorie) |
| 251.803 | calmean | calorie (mean) |
| 252.165 | cal (therm.) | calorie (thermochemical) |
| 6.58516×1021 | eV | electronvolt |
| 1.05506×1010 | erg | erg |
| 778.172 | ft-lbf | foot-pound force |
| 2.5037×104 | ft-pdl | foot-poundal |
| 3.93016×10-4 | Hp-h | horsepower (550ft-lbf/s)-hour |
| 1055.06 | J | joule |
| 0.252075 | kcal15 | kilocalorie (15°C) |
| 0.250936 | kcal4 | kilocalorie (4°C) |
| 1.05506 | kJ | kilojoule |
| 2.52407×10-10 | kt (TNT) | kiloton TNT equivalent |
| 2.93072×10-4 | kWh | kilowatt-hour |
| 6.58516×1015 | MeV | megaelectronvolt |
| 1.05506×10-3 | MJ | megajoule |
| 2.52407×10-13 | Mt (TNT) | megaton TNT equivalent |
| 3.60212×10-8 | tce | tce (tonne coal equivalent) |
| 1.00024×10-5 | therm (US) | |
| 2.52407×10-7 | ton (TNT) | ton TNT equivalent |
| 0.293072 | Wh | watt hour |
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