Gas vs Electric Comparison Calculator
Enter useful energy in kWh, efficiencies in percent, and both prices in the same currency per kWh.
Purchased electricity (kWh):
Purchased gas energy (kWh):
Electricity cost (same currency):
Gas cost (same currency):
Break-even electricity price (currency/kWh):
Purchased energy = useful energy ÷ (efficiency / 100). Break-even electricity price = gas price × electric efficiency ÷ gas efficiency.
A QUICK WALKTHROUGH
How to use this tool
- Enter useful energy demand and both efficiencies.
- Enter electricity and gas prices in the same currency per kWh.
- Calculate purchased energy, costs, and the break-even electricity price.
Purchased energy and costs
Purchased energy = useful energy ÷ efficiency. Cost = purchased energy × price. Break-even electricity price = gas price × electric efficiency ÷ gas efficiency.
Scope
Uses only your values. It does not look up tariffs or include fixed charges, taxes, equipment, installation, or maintenance costs.
GOOD TO KNOW
Common questions
What does the break-even price mean?
For positive useful demand, both energy costs are equal at this electricity price. At zero demand both costs are zero at any price.