Fuel Cost Calculator
Trip fuel cost with round trip, toll & parking, cost per km, monthly estimates, and petrol/diesel/CNG/EV comparison — with city price autofill.
Trip Details
100 km
1 km3000 km
15
140
₹102
₹1₹200
Price autofills from city rates — edit manually anytime.
₹0
₹0₹5,000
₹0
₹0₹2,000
Saved vehicle
Trip Summary
Fuel used, costs, toll, parking and cost/km
Total Trip Cost
₹680
Distance100.0 km
Fuel Required6.67 L
Fuel Cost₹680
Toll₹0
Parking₹0
Fuel Cost / km₹7
Total Cost / km₹7
Est. CO₂15.4 kg
About Fuel Cost Calculator
Estimate trip and monthly fuel cost with mileage, city price autofill, toll, parking and fuel-type comparison.
How it works
Enter distance, mileage and fuel type. Toggle round trip, add toll/parking, or switch to monthly commute mode.
Practical tips
Save vehicle mileage locally for reuse. Compare petrol, diesel, CNG and EV on the compare tab.
Important to know
Actual traffic, AC load and tyre pressure change real-world mileage.
Frequently Asked Questions
- How is fuel cost calculated?
- Fuel required = distance ÷ mileage. Fuel cost = fuel required × fuel price. Add toll and parking for total trip cost.
- How to calculate petrol cost?
- Enter trip distance, your car’s km/L, and petrol price (autofilled by city). Enable round trip if needed.
- How much fuel is required for 500 km?
- Fuel (L) = 500 ÷ mileage. Example: at 15 km/L you need about 33.3 litres one way (66.7 L round trip).
- What is cost per kilometer?
- Fuel cost/km = fuel price ÷ mileage. Total cost/km also spreads toll and parking across the trip distance.
- How to reduce fuel expenses?
- Improve mileage (tyre pressure, smooth driving), carpool, prefer CNG/EV if suitable, and cut unnecessary idle/toll-heavy routes.
- Can I save my vehicle mileage?
- Yes — save vehicle name, mileage and fuel type locally in the browser for quick reuse.