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EV vs petrol calculator
Rough India-context estimate of energy costs and tank-to-wheel / grid CO₂. Adjust prices and efficiency for your city and vehicle. Last reviewed: 2026-07-13.
Inputs
Vehicle preset
Results
Annual distance
9,125 km
Annual savings
₹18,737
Petrol cost / year
₹21,292
EV energy cost / year
₹2,555
Petrol cost / month
₹1,774
EV cost / month
₹213
Simple payback
0.8 years
CO₂ saved / year (approx.)
243 kg
Petrol use ≈ 203 L/year · EV energy ≈ 319 kWh/year
Approx. CO₂: petrol 466 kg vs EV grid 224 kg per year.
Methodology notes
- Educational estimate only — not financial, tax, or purchase advice.
- Petrol CO₂ is approximate tank-to-wheel combustion; excludes refining and logistics.
- EV CO₂ uses an average India grid factor; home solar or greener tariffs would lower it.
- Does not model battery manufacturing, tyre/brake wear, or full lifecycle assessment.
- Petrol prices, tariffs, and real-world efficiency vary by city, season, and driving style.
- Ethanol-blended petrol (e.g. E20) slightly changes energy content and CO₂ vs pure petrol — ignored for simplicity.