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Electric Car Calculator

EV vs Petrol Cost Calculator

Годишње миље

EV Efficiency (mi/kWh)

Тарифа за струју ($/kWh)

Gas MPG

Gas Price ($/gal)

✓Annual Fuel Cost

EV Annual Cost

$1029

Gas Annual Cost

$1400

Annual Saving

$371

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Detailed Guide Coming Soon

We're working on a comprehensive educational guide for the Electric Car Calculator in your language. The content below is shown in English.

What is Electric Car Calculator?

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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.

DigiCalcs delivers precision-engineered tools for engineers and STEM professionals.

Формула

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f(x)Range (km) = Battery capacity (kWh) / Efficiency (kWh/km) | Average EV: 15–20 kWh/100km

How to Electric Car Calculator

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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)

Worked Examples

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Example 1

Given:EV: 4 mi/kWh, $0.15/kWh, 12,000 mi/yr vs Petrol: 30 MPG, $3.50/gal

Резултат:EV fuel: $450/yr; Petrol fuel: $1,400/yr — EV saves $950/yr

Real-World Applications

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Personal financial planning and budget setting

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Comparing loan options before signing agreements

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Understanding the true cost of borrowing over time

EV vs Petrol Running Costs (approx)

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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

Frequently Asked Questions

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What is Electric Car Cost?

How accurate is the Electric Car Cost calculator?

The calculator uses the standard published formula for electric car cost. 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 Electric Car Cost calculator use?

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

What formula does the Electric Car Cost calculator use?

The core formula is: EV fuel cost = Distance / Efficiency (mi/kWh or km/kWh) × Electricity rate. Each step in the calculation is shown so you can verify the result manually.

References

›EV running costs — Which?

Accuracy-checked

Reviewed October 2026

Our methodology

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