### There are 2 types of meters, Images are listed below:

• Imperial Meter ( Old meter )
• Metric Meter ( New Meter ) • From the above Metric meter, the meter is reading 2,418,368 cubic meters. You need to provide reading of 02418 to the supplier that is 2,418 cubic meters.
• From the above Imperial meter, the meter reading is 476,230.6 cubic feet. You need to provide reading of 4762 to the supplier that is 4,762 cubic feet.

### Steps to work out gas bill from meter reading

• Subtract your previous reading from current reading to get the number of units used for billing period.
• If you have a Metric Meter Ignore this step. If your meter is Imperial, you need to convert cubic feet to cubic meters. you need to multiply the units you’ve used by 2.83
• Next, This figure is multiplied by calorific value that is 39.5.
• Multiply this number with 1.02264 to get the correction factor. This corrects the volume of gas to account for temperature and pressure (as gas expands and contracts)..
• Divide the number by 3.6.This converts it to kWh.
• Last step is to multiply this with price-per-kWh (price per kilowatt hour as detailed on your gas bill ).