Gas to kWh Conversion Formula:
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Definition: This calculator converts gas consumption measured in units (cubic meters or cubic feet) to energy in kilowatt-hours (kWh).
Purpose: It helps consumers and businesses understand their gas usage in terms of energy consumption, which is often used for billing and energy efficiency comparisons.
The calculator uses the formula:
Where:
Explanation: The formula converts the volume of gas used into the actual energy content by considering the calorific value of the specific gas.
Details: Converting gas units to kWh allows for accurate energy consumption tracking, comparison with electricity usage, and understanding of energy bills.
Tips: Enter the gas units consumed and the calorific value (default 38 MJ/m³ for natural gas). All values must be > 0.
Q1: What is a typical calorific value for natural gas?
A: In the UK, natural gas typically has a calorific value between 38-41 MJ/m³. The exact value can vary by location and supplier.
Q2: Why divide by 3.6 in the formula?
A: 3.6 converts megajoules (MJ) to kilowatt-hours (kWh), since 1 kWh = 3.6 MJ.
Q3: How do I find my gas units?
A: Gas units are shown on your gas meter - either in cubic meters (m³) or cubic feet (ft³).
Q4: What if my gas is measured in cubic feet?
A: First convert cubic feet to cubic meters (1 m³ ≈ 35.3 ft³), or use a calorific value in MJ/ft³.
Q5: Where can I find the calorific value for my gas?
A: Your gas supplier can provide this information, or it may be listed on your energy bill.