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How to Calculate EV vs Petrol

What is EV vs Petrol?

An EV savings calculator shows annual fuel cost reduction from switching to an electric vehicle. The saving depends on electricity rate vs fuel price and driving efficiency.

Formula

Annual fuel savings = (Annual km / 100) × (Petrol cost − EV electricity cost) | Maintenance: EVs typically 40% lower

Step-by-Step Guide

  1. 1EV fuel cost = Miles/year × (1/efficiency kWh/mi) × Electricity rate
  2. 2ICE fuel cost = Miles/year × (1/MPG) × Fuel price per gallon
  3. 3Annual saving = ICE cost − EV cost
  4. 4Factor in any home charger installation cost (typically £500–1,200)

Worked Examples

Input
12,000 mi/yr; EV at 3.5 mi/kWh, $0.15/kWh; Petrol 32 MPG, $3.60/gal
Result
EV fuel: $514/yr; Petrol: $1,350/yr; Annual saving: $836

Frequently Asked Questions

What is Ev Savings?

An EV savings calculator shows annual fuel cost reduction from switching to an electric vehicle. The saving depends on electricity rate vs fuel price and driving efficiency

How accurate is the Ev Savings calculator?

The calculator uses the standard published formula for ev savings. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Ev Savings calculator use?

This calculator works with inches, British pounds, kilowatts, watts. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Ev Savings calculator use?

The core formula is: EV fuel cost = Miles/year × (1/efficiency kWh/mi) × Electricity rate. Each step in the calculation is shown so you can verify the result manually.

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