Fuel prices continue to rise across India, and every driver wants to know how much their vehicle costs per kilometer. Whether you drive a petrol hatchback, diesel SUV, CNG car, or an EV scooter — calculating the running cost helps you save money every month.
Fuel prices continue to rise across India, and every driver wants to know how much their vehicle costs per kilometer. Whether you drive a petrol hatchback, diesel SUV, CNG car, or an EV scooter — calculating the running cost helps you save money every month.
In this guide, you’ll learn:
- How to calculate cost per km for any vehicle
- 2025 mileage formulas for Petrol, Diesel, CNG, LPG & EV
- Running cost comparison table
- Instant cost calculator (Fuel Cost Calculator India)
⭐ What Is Fuel Cost Per Km?
Fuel cost per km means how much money your vehicle spends to travel 1 km.
Formula:
Cost per km = Fuel Price ÷ Mileage
Example:
Fuel Price = ₹110
Mileage = 18 km/l
Cost per km = 110 ÷ 18 = ₹6.11 per km
Open Fuel Cost Calculator
⚡ Shortcut Method — Use the Online Calculator
Instead of calculating manually, use the FREE online tool:
👉 Fuel Cost Calculator India 2025
Supports:
- Petrol
- Diesel
- CNG
- LPG
- Electric (EV)
🔥 Fuel Cost Per Km in India (2025 Estimates)
| Fuel Type | Avg Price 2025 | Avg Mileage | Cost per Km |
|---|---|---|---|
| Petrol | ₹108–115 | 15–20 km/l | ₹6–9/km |
| Diesel | ₹92–100 | 18–25 km/l | ₹5–7/km |
| CNG | ₹75–85 | 25–35 km/kg | ₹2–3/km |
| LPG | ₹55–65 | 18–22 km/l | ₹3–4/km |
| Electric (EV) | ₹8/kWh | 100 km / 3 kWh | ₹1–2/km |
🛢 How to Calculate Petrol Cost Per Km
Petrol cost per km = petrol price ÷ mileage
Example:
110 ÷ 18 = ₹6.11 per km
🚙 Diesel Cost Per Km
Diesel cost per km = diesel price ÷ mileage
🚕 CNG Cost Per Km
CNG cost per km = CNG price ÷ mileage
⚡ EV Cost Per Km
EVs are the cheapest in India.
EV cost per km = (Battery kWh × Electricity Price) ÷ Range
💡 Which Fuel Is Cheapest in 2025?
- Electric Vehicles (cheapest)
- CNG
- Diesel
- LPG
- Petrol (costliest)
🚗 Real Comparison (100 km drive)
| Fuel | Cost per Km | Cost for 100 km |
|---|---|---|
| Petrol | ₹6–9 | ₹600–900 |
| Diesel | ₹5–7 | ₹500–700 |
| CNG | ₹2–3 | ₹200–300 |
| Electric | ₹1–2 | ₹100–200 |
🧮 FREE Online Calculator
Use this link to calculate instantly:
Fuel Cost Calculator India 2025
❓ Fuel Cost Calculator – FAQs
Try the calculator here →
Fuel Cost Calculator India
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