EV Charging Cost Calculator
Calculate charge time, cost per charge, cost per mile, and annual savings compared to gas. Works for all charger levels and popular EV models.
Vehicle & Battery
Charging Setup
Gas Vehicle Comparison
Charge Session
kWh Needed
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Charge Time
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Cost Per Charge
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Range Added
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Cost Per Mile
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Full Range
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Running Costs
Monthly EV Cost
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Annual EV Cost
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Monthly kWh Used
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Charges Per Month
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EV vs Gas Savings
Annual Gas Cost
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Annual EV Cost
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Annual Savings
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Charging Levels Explained
Standard 120V household outlet. Adds 3-5 miles of range per hour. Best for overnight charging with short daily commutes. No special equipment needed.
240V outlet (like a dryer plug) with a dedicated EVSE. Adds 20-30 miles of range per hour. The most common home and workplace charging setup. Installation typically costs $500-$2,000.
DC fast charging at public stations. Adds 150-200+ miles in 30-60 minutes. Costs more per kWh ($0.30-$0.60) and frequent use can degrade battery health faster. Best for road trips.
Tips to Reduce Charging Costs
- Time-of-use rates: Many utilities offer rates as low as $0.05-$0.08/kWh during off-peak hours (typically 11 PM - 7 AM). Schedule charging overnight to save 40-60%.
- Home vs public charging: Home charging is typically 2-4x cheaper than public DC fast charging. A Level 2 home setup pays for itself in 6-12 months of savings.
- Charge to 80%: Charging from 80-100% is significantly slower due to battery management. Daily charging to 80% is faster, cheaper, and better for battery longevity.
- Free charging: Many workplaces, hotels, and shopping centers offer free Level 2 charging. Apps like PlugShare help you find free stations nearby.
- Solar panels: Home solar can reduce your effective electricity cost to $0.02-$0.05/kWh, making EV fuel costs nearly zero.
How Much Does It Cost to Charge an Electric Vehicle?
The cost of charging an EV depends on three factors: your electricity rate, your vehicle's battery capacity, and the charger type you use. The average US residential electricity rate is about $0.13 per kWh, but rates vary widely from $0.08/kWh in states like Louisiana to $0.30+/kWh in Hawaii and California.
For a typical EV with a 75 kWh battery, charging from 20% to 80% (45 kWh) at home costs roughly $5.85 at the national average rate. The same charge at a public DC fast charger might cost $13.50-$27.00 at rates of $0.30-$0.60/kWh.
EV Charging Time by Level
Charging speed varies dramatically by charger level. A Level 1 charger (standard household outlet) delivers about 1.4 kW, meaning a full charge of a 75 kWh battery takes over 50 hours. Level 2 chargers at 7.6 kW cut that to about 10 hours - perfect for overnight home charging. DC fast chargers at 50-350 kW can add 200+ miles of range in under an hour.
How Much Can You Save With an EV?
The average American drives 12,000 miles per year. A gas vehicle averaging 25 MPG at $3.50/gallon costs $1,680 annually in fuel. An EV averaging 3.5 mi/kWh at $0.13/kWh costs just $446 per year - a savings of over $1,200 annually. Over a 10-year ownership period, that's $12,000+ in fuel savings alone.
EV savings are even greater if you charge during off-peak hours, have solar panels, or take advantage of free workplace charging. Use the calculator above to estimate your specific savings based on your driving habits, local electricity rates, and preferred charger type.