Question: how many ccf in a therm?
Answer: Therefore, 100 cubic feet (Ccf) of natural gas equals 103,700 Btu, or 1.037 therms. One thousand cubic feet (Mcf) of natural gas equals 1.037 MMBtu, or 10.37 therms. The heat content of natural gas may vary by location and by type of natural gas consumer, and it may vary over time.