To convert gas usage from imperial cubic meters to kilowatt hours, multiply the cubic meters value by 31.59. The conversion is actually a four-step process that requires a volume correction factor and the calorific value.
The first step to convert from cubic meters to kilowatt hours is to multiple by 2.83 to convert from imperial to metric measurements. The result should then be multiplied by a volume correction factor of 1.02264. The next step is to multiple that result by the calorific value of 39.3. Finally, divide by 3.6 to get the value in kilowatt hours. To convert in just one simple step multiple the usage in imperial gas cubic metres by 31.59 to get the equivalent in kilowatt hours.