Whether planning a road trip or calculating monthly commute cost, knowing your fuel cost helps budget better. With petrol from ₹94 to ₹108 across cities, cost per km varies significantly.
Calculate Your Fuel Cost
Enter distance, mileage, and fuel price for instant trip cost.
How to Calculate Fuel Cost
Fuel Cost = (Distance / Mileage) × Fuel Price
Delhi to Jaipur (280 km)
- Maruti Brezza — 17 km/l highway
- Petrol: ₹94.72/l
- Cost: 280/17 × 94.72 = ₹1,560 one way
Fuel Prices in Major Cities (March 2026)
| City | Petrol | Diesel | CNG |
|---|---|---|---|
| Delhi | ₹94.72 | ₹87.62 | ₹74.09 |
| Mumbai | ₹103.44 | ₹89.97 | ₹75.00 |
| Bangalore | ₹101.94 | ₹87.89 | — |
| Chennai | ₹100.80 | ₹92.27 | — |
| Kolkata | ₹104.95 | ₹91.76 | — |
Real-World Mileage of Popular Cars
| Car | Fuel | City | Highway | Cost/km |
|---|---|---|---|---|
| Maruti Alto | Petrol | 22 | 28 | ₹3.4–4.3 |
| Maruti Swift | Petrol | 16 | 22 | ₹4.3–5.9 |
| Hyundai Creta | Petrol | 12 | 16 | ₹5.9–7.9 |
| Tata Nexon | Diesel | 16 | 22 | ₹4.0–5.5 |
| Ertiga CNG | CNG | 22/kg | 26/kg | ₹2.9–3.4 |
| Punch EV | Electric | 8/kWh | 7/kWh | ₹1.0–1.4 |
Petrol vs Diesel vs CNG vs EV — Cost per 1000 km
| Type | Car | Mileage | Price | Cost/1000km |
|---|---|---|---|---|
| Petrol | Swift | 18 km/l | ₹95/l | ₹5,278 |
| Diesel | Nexon | 18 km/l | ₹88/l | ₹4,889 |
| CNG | Ertiga | 24 km/kg | ₹74/kg | ₹3,083 |
| EV | Punch EV | 7.5 km/kWh | ₹8/kWh | ₹1,067 |
EV is 5x cheaper than petrol. CNG is 40% cheaper.
Popular Road Trip Costs
| Route | Distance | Fuel | Tolls | Total |
|---|---|---|---|---|
| Delhi → Jaipur | 280 km | ₹1,330 | ₹700 | ₹2,030 |
| Mumbai → Pune | 150 km | ₹780 | ₹300 | ₹1,080 |
| Bangalore → Mysore | 150 km | ₹765 | ₹200 | ₹965 |
| Delhi → Manali | 530 km | ₹2,515 | ₹500 | ₹3,015 |
How to Use the Tool (Step by Step)
- 1
Enter distance
Input total trip distance in km.
- 2
Set mileage
Enter car mileage in km/l.
- 3
Enter fuel price
Input current petrol/diesel/CNG price.
- 4
View cost
See total cost, litres needed, cost per km.
Frequently Asked Questions
How to calculate fuel cost per km?+−
Divide fuel price by mileage. Petrol ₹95/l ÷ 16 km/l = ₹5.94/km. CNG ₹74/kg ÷ 24 km/kg = ₹3.08/km. EV ₹8/kWh ÷ 7.5 km/kWh = ₹1.07/km.
Is diesel still cheaper than petrol?+−
Only 7-10% cheaper per km now. Diesel cars cost ₹1.5-2L more. Need 15,000+ km/year to break even.
EV charging cost at home?+−
At ₹6-8/kWh, 30 kWh battery costs ₹180-240 for 250-300 km. About ₹0.7-1.0/km — 5x cheaper than petrol.
Average monthly fuel cost?+−
Petrol car 1000-1500 km/month: ₹5,000-9,000. CNG cuts 40%, EV cuts 80%.
Does AC affect mileage?+−
Yes, 10-20% in city, 5-10% on highway. In summer, up to 25% in traffic.
Calculate Your Fuel Cost
Enter distance, mileage, and fuel price for instant trip cost.
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