Updated August 15, 2026 · WattCostLab Calculator

EV vs Gas Fuel Cost Calculator

Compare annual driving energy cost using your mileage, local electricity price and gasoline price.

Annual miles driven EV efficiency (kWh/100 miles) Electricity price ($/kWh) Gas vehicle fuel economy (MPG) Gasoline price ($/gallon) Home charging efficiency (%)

What this calculator includes

EV cost includes charging losses through the charging-efficiency input. Gas cost uses miles ÷ MPG × gasoline price.

What it does not include

Purchase price, insurance, depreciation, public fast-charging premiums, maintenance and taxes are outside this simple energy comparison.

Next step

If home charging looks attractive, review Home EV Charger Installation Cost and Level 2 vs Mobile Charging.