Energy Units can often be confusing. For quick calculations use our online Energy Factor Conversion Calculator.
Below is a quick summary of frequently used units of measure.
| Frequently Used Units of Measure | ||||
| 1 MMBTU | = | 10 Therms | = | 1 dekatherm (dth) |
| 1 MCF | = | 1000 cubic feet | = | 1 MMBTU* |
| 1 BCF | = | 1 billion cubic feet | = | 1 million MMBTU* |
| 1 TCF | = | 1 trillion cubic feet | = | 1000 BCF |
| 1 gigajoule | = | 0.9478 MMBTU | ||
| 1 Kilowatt-hr | = | 3412 BTU | ||
| #2 oil | = | 139,000 BTU/gal | ||
| #6 oil | = | 150,000 BTU/gal | ||
| Propane | = | 91,600 BTU/gal | ||
Click here for a table of additional conversion factors.
