EV vs Gas Cost Calculator

Compare annual fuel and electricity costs. Edit the defaults to match your driving and local prices.

Your inputs

These are editable defaults, not live market rates.

Defaults last set: 2026-07

Editable default — not a live API price

Editable default — not a live API price

Estimated costs

EV saves about $951.43/year

Annual gas

$1,500.00

$125.00/mo

Annual EV

$548.57

$45.71/mo

Annual difference

$951.43

$79.29/mo

Gas and electricity prices vary by region and time. Results are estimates for comparison only — not financial advice.

How we calculate

Gas cost = (miles per year ÷ MPG) × price per gallon. EV cost = (miles per year ÷ miles per kWh) × price per kWh. We show annual and monthly totals, plus the difference.

Prices are editable defaults, not live market rates. Results are estimates for comparison only — not financial advice.

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Frequently asked questions

Are these live fuel or electricity prices?
No. The calculator uses editable US defaults, not live market APIs. Update the prices to match your area.
How is the estimate calculated?
Annual gas cost is (miles per year ÷ MPG) × gas price per gallon. Annual EV cost is (miles per year ÷ mi/kWh) × electricity price per kWh. Savings is the difference.
Does this include vehicle purchase price?
No. This tool estimates fuel and electricity operating cost only — not purchase price, insurance, maintenance, or taxes.
Can I share my estimate?
Yes. Use the Copy link button to share a URL with your current inputs pre-filled.
EV vs Gas Cost Calculator — Annual Fuel Savings | ConvertRubix