EV vs Petrol Cost Calculator
Annual Miles
EV Efficiency (mi/kWh)
Electricity Rate ($/kWh)
Gas MPG
Gas Price ($/gal)
✓Annual Fuel Cost
EV Annual Cost
$1029
Gas Annual Cost
$1400
Annual Saving
$371
An electric car cost calculator compares the total running costs of an EV versus a petrol or diesel car over time, factoring in fuel/electricity costs, road tax, servicing, and potentially depreciation.
- 1EV fuel cost = Distance / Efficiency (mi/kWh or km/kWh) × Electricity rate
- 2Petrol cost = Distance / MPG × Fuel price per gallon/litre
- 3EV typically costs ~3–4× less per mile in energy
- 4EV servicing typically 30–40% cheaper (no oil changes, fewer brake changes)
EV: 4 mi/kWh, $0.15/kWh, 12,000 mi/yr vs Petrol: 30 MPG, $3.50/gal=EV fuel: $450/yr; Petrol fuel: $1,400/yr — EV saves $950/yr
| Cost | EV (annual) | Petrol (annual) |
|---|---|---|
| Fuel/electricity | $400–600 | $1,400–1,800 |
| Servicing | $300–400 | $500–700 |
| Road tax (UK) | £0 (exempt) | £180+ |
| Insurance | Similar to ICE | Standard |
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