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Both calculators run independently — change the inputs on either side to compare results.

Electric Vehicle vs Gas Car Cost Calculator

Compare the annual operating cost difference between an electric vehicle and a comparable gas car, factoring in fuel costs, maintenance, and EV tax rebates. Use it when deciding whether switching to an EV makes financial sense for your driving habits.

Miles Driven per Year (miles)

Gas Car MPG (MPG)

Gas Price per Gallon ($/gal)

EV Efficiency (miles/kWh)

Electricity Rate ($/kWh)

EV Tax Rebate ($)

Fill in the required fields to see your result.

Climate

Home Energy Efficiency Upgrade Calculator

Calculate the payback period in years for home energy upgrades — insulation, new windows, or a new HVAC system — based on your home size, current energy bill, climate zone, and available rebates.

Home Size (sq ft)

Current Monthly Energy Bill ($)

Upgrade Type

Climate Zone

Available Rebates (%)

Fill in the required fields to see your result.

Key differences

	Electric Vehicle vs Gas Car Cost Calculator	Home Energy Efficiency Upgrade Calculator
Category	Climate	Climate
Inputs required	6	5
Result	Annual EV Savings ($)	Annual Net Savings After 15 Years ($)
What it does	Compare the annual operating cost difference between an electric vehicle and a comparable gas car, factoring in fuel costs, maintenance, and EV tax rebates. Use it when deciding whether switching to an EV makes financial sense for your driving habits.	Calculate the payback period in years for home energy upgrades — insulation, new windows, or a new HVAC system — based on your home size, current energy bill, climate zone, and available rebates.