EV Charging Cost Per Full Charge Calculator

EV full charge cost

Battery size

kWh

Electricity price

$/kWh

Rate category

⚡ EV off peak

Full charge cost $8.00

Running cost $1.28 per 100 km $0.01 per km

Rate comparison

Full charge cost at common electricity prices

The table below shows the estimated cost to fully charge a battery at each of the common electricity price tiers. Use it as a quick reference for comparing home, public and fast charging prices.

How this calculator works

This calculator estimates the electricity cost of charging an EV battery from empty to full. It shows costs at every common price tier so you can compare home, public and fast charging at a glance. The cost per 100 km on each card uses a typical EV efficiency of 16 kWh per 100 km.

Formula

Full charge cost = Battery size (kWh) × Electricity price ($ per kWh)

Cost per 100 km = EV efficiency × Electricity price

Worked example

Battery size: 100 kWh
Electricity price: $0.30 per kWh (Home standard rate)

Full charge cost: 100 × $0.30 = $30.00

Cost per 100 km: 16 × $0.30 = $4.80 per 100 km

In everyday use most EV owners do not charge from completely empty to completely full. A common charging habit is to top up between around 20 percent and 80 percent, which uses 60 percent of the battery capacity. Using the same example that would be 60 kWh × $0.30 = $18.00.

Price preset guide

Frequently asked questions

How much does it cost to fully charge an EV in Australia?

The cost depends on battery size and electricity price. At a standard home rate of $0.30 per kWh, a 100 kWh battery costs around $30.00 to charge from empty to full. Charging on an off peak tariff can reduce that to around $20.00 or less.

Is it cheaper to charge an EV at home or on a public charger?

Home charging is almost always cheaper. Standard home electricity typically costs between $0.20 and $0.35 per kWh, while public AC chargers often charge $0.40 to $0.60 per kWh and DC fast chargers can be $0.60 or more per kWh.

Do I ever really charge from empty to full?

Most EV owners charge regularly rather than waiting for the battery to empty. A typical habit is charging between 20 and 80 percent, which preserves battery health and covers most daily driving needs. This calculator shows the full charge cost as a reference figure.

Does battery size affect charging cost?

Yes. A larger battery holds more energy and costs more to charge at the same electricity price. A 100 kWh battery at $0.30 per kWh costs $30.00 to fully charge, compared to $18.00 for a 60 kWh battery.