EV Charging Cost Calculator
Cost to charge an electric vehicle and cost per mile.
kWh
per kWh
%
km
Charging cost
$20.00
66.7 kWh drawn at 90% efficiency
Energy from wall
66.67kWh
Cost per km
$0.06
Cost per 100 km
$5.71
ShowHide the working
- 1Energy drawn = 60 ÷ 0.9 = 66.67 kWh
- 2Cost = 66.67 × $0.30 = $20.00
Formula
cost = (energy ÷ efficiency) × priceHow it works
Cost to charge an EV, accounting for charging losses, plus the cost per kilometre if you give the range.
Example
A 60 kWh charge at $0.30/kWh and 90% efficiency costs about $20.
About the EV Charging Cost Calculator
Cost to charge an electric vehicle and cost per mile. It sits in the Auto & Travel section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the EV Charging Cost Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The EV Charging Cost Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the EV Charging Cost Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Auto & Travel?
- Fuel cost, mileage, trip time and vehicle running costs. You can browse the full Auto & Travel category for related calculators.