You can convert natural gas prices from one price basis to another with these formulas (assuming a heat content of natural gas of 1,037 Btu per cubic foot): $ per Ccf divided by 1.037 equals $ per therm $ per therm multiplied by 1.037 equals $ per Ccf $ per Mcf divided by 1.037 equals $ per MMBtu $ per Mcf divided by 10.37 equals $ per therm ...