EV Charging Cost Calculator
Calculate the cost, time, and per-mile cost of charging an EV. This free online automotive & vehicles calculator runs entirely in your browser — no signup, no data sent anywhere.
Inputs
Results
How It Works (Formula & Method)
Charge cost is the energy added times your electricity rate. Charge time is the energy divided by the charger's power (real time is a bit longer due to charging losses and tapering). Cost per mile is the cost divided by the miles that energy provides at your efficiency.
Worked Example
Below is a worked example using the calculator's default values. The same numbers are pre-filled in the form above so you can press Calculate and see the result without typing anything.
Inputs used:
- Energy to Add (kWh): 60
- Electricity Rate ($/kWh): 0.15
- Charger Power (kW): 7.4
- Efficiency (mi/kWh): 3.5
With these inputs, the calculator computes the metrics shown in the Results panel. Change any value and press Calculate again to see how the result responds — the live widget and the chart both update instantly.
Frequently Asked Questions
What does the EV Charging Cost Calculator compute?
The EV Charging Cost Calculator takes 4 input values and returns 3 results. Calculate the cost and time to charge an electric vehicle from the energy added, your electricity rate, and the charger's power, plus cost per mile.
Is my data sent to a server?
No. The EV Charging Cost Calculator runs entirely in your browser using static JavaScript. Your inputs are never transmitted to CalculatorHive or any third party, and nothing is stored after you close the page.
Is this calculator free to use?
Yes. Every calculator on CalculatorHive is completely free. There is no signup, no paywall, and no usage limit. The site is supported by display advertising and affiliate partnerships, which are clearly labeled.
How accurate is the result?
The math is mathematically exact for the inputs you provide. Real-world accuracy depends on how accurately your inputs reflect the real situation — defaults are typical values, not guarantees.