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Electric Vehicle & Sustainability calculators and tools

Compare EV savings, charging cost, carbon footprint, solar ROI, and home energy savings with editable rates, incentives, emissions factors, and costs.

EV vs Gas Total Cost Calculator (5 Years)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV vs Gas Total Cost Calculator (10 Years)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings Calculator (US National Average)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings Calculator by State (California)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings Calculator by State (Texas)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings Calculator by State (New York)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings Calculator by State (Florida)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings by Car Model (Tesla Model 3)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings by Car Model (Tesla Model Y)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings by Car Model (Ford Mustang Mach-E)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings by Car Model (Hyundai Ioniq 5)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Savings by Car Model (Chevy Bolt)Compare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Charging Cost Calculator (Home)Estimate EV charging cost from battery size, charge added, electricity price, and charging efficiency.EV Charging Cost Calculator (Public Station)Estimate EV charging cost from battery size, charge added, electricity price, and charging efficiency.EV Break-Even Point CalculatorCompare EV and gasoline ownership cost from mileage, fuel price, electricity rate, efficiency, maintenance savings, incentives, and EV price premium.EV Lease vs Buy CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Tax Credit Calculator (2026 No Credit)Estimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Commercial Fleet ROI CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Rental Business ROI CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Dealership Profit CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Battery Replacement Cost CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Maintenance Cost Calculator (5 Years)Estimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Maintenance Cost Calculator (10 Years)Estimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.Used EV Value CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.EV Depreciation CalculatorEstimate EV ROI from upfront cost, annual savings, annual revenue, incentives, resale value, and the analysis period.Personal Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Household Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Travel Carbon Footprint Calculator (Car)Estimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Travel Carbon Footprint Calculator (Flight)Estimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Travel Carbon Footprint Calculator (Train)Estimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Food Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Meat-Free Diet Carbon Savings CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Home Energy Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Electricity Carbon Footprint Calculator (Grid)Estimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Solar Energy Carbon Savings CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Water Usage Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Waste Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Clothing Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Shopping Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Corporate Carbon Footprint CalculatorEstimate carbon footprint or carbon savings from an activity amount, emissions factor, reduction rate, and optional offset price.Solar Panel ROI Calculator (Residential)Estimate solar or energy project payback, lifetime savings, and ROI from cost, incentives, annual production, utility rate, and maintenance.Solar Panel ROI Calculator (Commercial)Estimate solar or energy project payback, lifetime savings, and ROI from cost, incentives, annual production, utility rate, and maintenance.Solar Panel Payback Period CalculatorEstimate solar or energy project payback, lifetime savings, and ROI from cost, incentives, annual production, utility rate, and maintenance.Solar Panel vs Electricity Cost CalculatorEstimate solar or energy project payback, lifetime savings, and ROI from cost, incentives, annual production, utility rate, and maintenance.Home Energy Efficiency CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.Insulation Savings CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.Window Energy Savings CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.LED Replacement Savings CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.Smart Thermostat Savings CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.Electric Heating vs Gas Heating Cost CalculatorEstimate home energy upgrade savings from current annual energy cost, expected savings rate, upgrade cost, and analysis period.

Compare EV, solar, and carbon scenarios from measured data

EV and sustainability calculators are most useful when they start with real usage: annual miles, fuel economy, local gas price, electricity rate, battery size, charging loss, project cost, utility rate, annual production, or activity data for carbon estimates. Keep the time period consistent so a one-year fuel saving is not compared with a five-year project cost without adjustment.

Location matters. Electricity prices, fuel prices, incentives, emissions factors, solar production, maintenance savings, and charging losses can vary by utility, state, vehicle model, climate, and driving pattern. Treat defaults as a starting point, then update them from a utility bill, charging app, vehicle efficiency report, installer quote, or current local incentive rule.

For decisions involving a vehicle purchase, charger installation, solar project, or home efficiency upgrade, compare both cash flow and payback. A lower energy cost may still take years to offset a price premium or upgrade cost. Carbon-footprint results should be used as transparent planning estimates unless a reporting standard requires a specific emissions factor and boundary.