Compare calculators

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

Electric Vehicle Cost Comparison Calculator

Compare fuel costs between an electric vehicle and a gas-powered car over your ownership period. Use this when deciding whether switching to an EV will save you money given your local electricity and gas prices.

Annual Miles Driven (miles)

Gas Price per Gallon ($)

Gas Vehicle MPG (mpg)

Electricity Rate ($/kWh)

EV Efficiency

Ownership Period (years)

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 Cost Comparison Calculator	Home Energy Efficiency Upgrade Calculator
Category	Climate	Climate
Inputs required	6	5
Result	EV Savings vs Gas ($)	Annual Net Savings After 15 Years ($)
What it does	Compare fuel costs between an electric vehicle and a gas-powered car over your ownership period. Use this when deciding whether switching to an EV will save you money given your local electricity and gas prices.	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.