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EV Charging Cost Calculator

Estimate the cost of a full EV charge and your driving cost per kilometer using battery size, electricity rate, and expected full-charge range.

EV charging estimate

Enter EV charging details

Defaults are filled in for a quick demo and can be adjusted anytime.

Charging mode

Switch between home and public charging to load a sensible default electricity rate.

Total usable battery size for a full charge.
Use your home or charging-station rate per kWh.
Enter the realistic distance you expect from one full charge.

What is EV charging cost?

EV charging cost is the amount you pay to charge your battery from empty to full. The most basic calculation is battery capacity multiplied by electricity cost per unit. Once you know the cost of a full charge and the distance your EV can travel on that charge, you can calculate cost per kilometer.

This is useful when comparing EV running cost with petrol or diesel vehicles, checking home charging economics, and estimating daily commute expense.

Why this calculator helps

  • Estimate home charging cost before buying an electric car.
  • Understand whether your EV is economical for daily commuting.
  • Compare different electricity tariffs or charging locations.
  • Convert full-charge cost into an easy cost per kilometer number.

Frequently Asked Questions

Multiply battery capacity in kWh by electricity cost per unit. That gives the estimated cost of one full charge. Then divide that by vehicle range to get cost per kilometer.

Yes. Just enter the unit price you pay in that situation. Home charging is often cheaper, while public fast charging can be more expensive.

Real-world range can change because of traffic, speed, air conditioning, terrain, weather, and charging losses. Using a realistic range value gives a more useful result.

Quick guidance

  • Use practical range, not ideal brochure range, for better accuracy.
  • Charging losses can make the real full-charge cost slightly higher.
  • Cost per km becomes even lower if your electricity tariff is lower at night.
  • Comparing this number with petrol cost per km is a simple way to estimate savings.

Related calculator

Want to compare EV cost directly with petrol and diesel?

Compare EV vs Petrol vs Diesel