Petrol Cost Calculator
Calculate petrol needed and total cost for trips and daily commuting with city petrol 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 Petrol Cost Calculator
Petrol-focused trip and monthly cost estimates with city petrol price autofill.
How it works
Set distance, km/L and petrol price (or city). Review litres needed and total cost.
Practical tips
Enable round trip for highway plans; add tolls for a full budget.
Important to know
City autofill is approximate — edit to your pump price.
Frequently Asked Questions
- How to calculate petrol cost?
- Multiply litres needed (distance ÷ km/L) by petrol price per litre. Use city autofill or enter your pump price.
- How is fuel cost calculated?
- Same formula as the main fuel calculator, locked to petrol mode for trip and monthly estimates.
- How much fuel is required for 500 km?
- Divide 500 by your petrol mileage. At 12 km/L you need ~41.7 L one way.
- What is cost per kilometer for petrol?
- Petrol ₹/L ÷ km/L. Example: ₹102/L ÷ 15 km/L ≈ ₹6.8 per km.
- How to reduce petrol expenses?
- Maintain mileage, avoid peak AC idling, combine trips, and compare diesel/CNG/EV on the comparison tab.