Milliwatts to cubic feet de natural gas per hour conversion calculator shown above calculates how many cubic feet de natural gas per hour are in 'X' milliwatts (where 'X' is the number of milliwatts to convert to cubic feet de natural gas per hour). In order to convert a value from milliwatts to cubic feet de natural gas per hour just type the number of mW to be converted to cubic feet de natural gas per hour and then click on the 'convert' button.