Electric Vehicle (EV) Savings Calculator
Electric Vehicle (EV)
Gasoline Vehicle (ICE)
Total cost to buy the EV.
Total cost to buy the gasoline car.
Energy consumed per 100 miles.
Miles per gallon for the gas car.
Your average cost per kilowatt-hour.
Your local price per gallon of gas.
Total miles you drive in one year.
How long you plan to own the vehicles.
What is an Electric Vehicle Calculator?
An electric vehicle calculator is a tool designed to estimate the financial implications of owning an electric car compared to a traditional internal combustion engine (ICE) vehicle. It goes beyond the sticker price to analyze the total cost of ownership (TCO) over several years. By inputting variables like purchase price, fuel costs (electricity vs. gasoline), vehicle efficiency, and annual mileage, a user can get a clear picture of long-term expenses and potential savings. This is crucial for anyone considering making the switch to electric mobility.
This calculator is for prospective car buyers, environmental enthusiasts, and budget-conscious individuals who want to make an informed decision. It helps demystify the costs associated with EV ownership and answers the common question: “Will an electric car actually save me money?” To explore financing options, you might also find a tool for calculating car loan payments useful.
The Electric Vehicle Calculator Formula and Explanation
The core of this calculator revolves around the Total Cost of Ownership (TCO) formula. We calculate the TCO for both the EV and the ICE vehicle separately and then compare them.
Formula Breakdown
Annual Fuel Cost (ICE) = (Annual Miles / ICE Efficiency) * Gasoline Price
Total Cost of Ownership = Purchase Price + (Annual Fuel Cost * Ownership Years)
This calculation provides a comprehensive view of costs, combining the upfront investment with the ongoing running expenses over your specified ownership period.
Variables Table
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Purchase Price | The initial amount paid for the vehicle. | Dollars ($) | $25,000 – $100,000+ |
| EV Efficiency | Energy the EV consumes to travel 100 miles. | kWh / 100 miles | 25 – 45 |
| ICE Efficiency | Distance the gas car travels on one gallon of fuel. | Miles Per Gallon (MPG) | 20 – 50 |
| Electricity Cost | The price you pay for one unit of electricity. | $ / kWh | $0.10 – $0.30 |
| Gasoline Price | The price you pay for one gallon of gasoline. | $ / Gallon | $3.00 – $6.00 |
| Annual Miles Driven | Total distance you typically drive in a year. | Miles | 5,000 – 25,000 |
Practical Examples
Example 1: Commuter’s Choice
A driver is choosing between a $40,000 EV and a $30,000 gasoline car. They drive 15,000 miles a year and plan to keep the car for 8 years.
- Inputs: EV Price: $40,000; ICE Price: $30,000; EV Efficiency: 30 kWh/100mi; ICE Efficiency: 32 MPG; Electricity: $0.17/kWh; Gas: $3.80/gallon; Annual Miles: 15,000; Years: 8.
- Results: The EV’s annual fuel cost is ~$765, while the ICE car’s is ~$1,781. Despite the higher initial price, the EV results in over $8,000 in total savings over 8 years. A detailed EV vs Gas calculator can provide an even more granular breakdown.
Example 2: High-Mileage Driver
A sales representative drives 25,000 miles per year and is comparing a $55,000 EV with a $45,000 gasoline equivalent.
- Inputs: EV Price: $55,000; ICE Price: $45,000; EV Efficiency: 34 kWh/100mi; ICE Efficiency: 28 MPG; Electricity: $0.20/kWh; Gas: $4.10/gallon; Annual Miles: 25,000; Years: 5.
- Results: The EV’s annual fuel cost is $1,700, while the ICE car’s is a staggering $3,660. The fuel savings are so significant that the EV becomes cheaper overall in less than 5 years, leading to substantial long-term savings. You can also use an EV range estimator to see how driving style impacts efficiency.
How to Use This Electric Vehicle Calculator
- Enter Vehicle Prices: Input the purchase prices for both the electric vehicle and the gasoline vehicle you are considering.
- Input Efficiencies: Find the efficiency ratings for both vehicles. For the EV, this is in ‘kWh per 100 miles’. For the gasoline car, it’s ‘Miles Per Gallon’ (MPG).
- Enter Fuel Costs: Provide your local electricity rate in dollars per kWh and the local price of gasoline per gallon. A great way to lower this cost is by investing in solar; see our solar panel savings calculator.
- Add Driving Habits: Enter the total miles you drive per year and the number of years you plan to own the cars.
- Analyze the Results: The calculator will instantly show your total savings, annual fuel costs for each vehicle, and the total cost of ownership. The chart provides a visual comparison of the total costs.
Key Factors That Affect EV Savings
- Purchase Price & Incentives: The initial cost is the biggest hurdle. Federal tax credits and state rebates can significantly lower the effective price of an EV.
- Electricity vs. Gas Prices: The wider the gap between low electricity rates and high gas prices, the faster you will save money with an EV.
- Vehicle Efficiency: Just like with gas cars, some EVs are much more efficient than others. A lower kWh/100 miles figure means cheaper running costs.
- Annual Mileage: The more you drive, the more you save on fuel. High-mileage drivers benefit the most from switching to an EV.
- Home Charging: The ability to charge at home is key to unlocking the lowest electricity rates. Public charging is more expensive. Understanding the home charging station cost is part of the equation.
- Maintenance Costs: This calculator focuses on fuel, but EVs typically have lower maintenance costs as they have no oil changes, fewer moving parts, and less brake wear due to regenerative braking.
Frequently Asked Questions (FAQ)
- 1. What is Total Cost of Ownership (TCO)?
- TCO is the complete cost of a vehicle, including the purchase price plus all ongoing expenses like fuel, maintenance, and insurance over the time you own it.
- 2. How do I find my electricity rate ($/kWh)?
- Check your monthly utility bill. It should list the cost per kilowatt-hour (kWh). For the most accurate calculation, use the rate from your “off-peak” hours if you plan to charge overnight.
- 3. Does this electric vehicle calculator include maintenance or insurance?
- No, this calculator focuses specifically on the purchase price and fuel costs, which are the biggest differentiators. Generally, maintenance for EVs is lower, which would further increase your savings.
- 4. Is an EV always cheaper in the long run?
- Not always. If you don’t drive much, or if the EV’s purchase price is extremely high compared to the gas car, it might take many years to break even. Use the calculator to find your specific break-even point.
- 5. What are ‘kWh per 100 miles’?
- This is like an “inverse MPG” for electric cars. It measures how much energy (in kilowatt-hours) is needed to travel 100 miles. A lower number is more efficient.
- 6. How do government tax credits affect the calculation?
- You should subtract any applicable tax credits or rebates from the ‘Purchase Price’ of the EV for a more accurate TCO. For example, a $45,000 EV with a $7,500 credit has an effective initial cost of $37,500.
- 7. Does charging at public stations change the result?
- Yes, significantly. Public DC fast-charging can be 3-4 times more expensive than charging at home. This calculator assumes home charging for maximum savings. If you rely on public chargers, your ‘Electricity Cost’ will be higher.
- 8. Why is comparing efficiency with MPG and kWh/100 miles difficult?
- They measure different things (volume of fuel vs. electrical energy). That’s why a dedicated electric vehicle calculator is necessary to convert them into a common unit: the final cost to operate.
Related Tools and Internal Resources
Explore other calculators and guides to help with your financial and automotive decisions.
- EV vs Gas Calculator: A side-by-side comparison of specific electric and gasoline models.
- Cost to Charge an EV: A simple tool to estimate the cost of a single full charge for your vehicle.
- Auto Loan Calculator: Figure out your monthly payments for your next car purchase.
- EV Range Estimator: See how factors like temperature and speed affect your car’s range.
- Solar ROI Calculator: Calculate the return on investment for installing solar panels to power your home and car.
- Home EV Charger Guide: Learn about the costs and considerations for installing a Level 2 charger.