FY 2025-26 · Current fuel prices

300 km Fuel Cost Calculator

Work out the fuel cost of a 300 km trip in India for petrol, diesel, CNG or an EV. A 300 km drive costs about ₹2,080 on petrol (15 km/L), ₹1,533 on diesel, ₹844 on CNG, or just ₹418 on an electric car. Enter your mileage below for an exact figure.

₹2,080Petrol (15 km/L)
₹1,533Diesel (18 km/L)
₹844CNG
₹418Electric (EV)

Calculate Your 300 km Trip Cost

Based on petrol ₹104/L, diesel ₹92/L, CNG ₹76/kg and electricity ₹9/kWh (typical 2025-26 metro prices).

300 km Fuel Cost by Vehicle Mileage

MileagePetrolDieselCNGEV
10 km/L , SUV / MUV₹3,120₹2,760₹844₹418
12 km/L , Sedan / Hatchback₹2,600₹2,300₹844₹418
15 km/L , Efficient hatchback₹2,080₹1,840₹844₹418
18 km/L , Hybrid / diesel₹1,733₹1,533₹844₹418
20 km/L , Very efficient₹1,560₹1,380₹844₹418

CNG and EV costs are largely mileage-independent here (CNG at 27 km/kg, EV at 15.5 kWh/100 km). Prices vary by city and station.

Planning a 300 km Trip

A 300 km journey is a typical weekend getaway distance, three to six hours of driving, well within one tank for most cars. Fuel type makes a real difference to the cost at this range.

Frequently Asked Questions , 300 km Fuel Cost

How much petrol is needed for 300 km?
At 15 km per litre, a 300 km trip needs about 20.0 litres of petrol, costing roughly ₹2,080 at ₹104 per litre. A more efficient car at 18 km/L needs less. Use the calculator above for your vehicle.
What is the diesel cost for 300 km?
A 300 km trip in a diesel car at 18 km per litre uses about 16.7 litres, costing around ₹1,533 at ₹92 per litre. Diesel is usually cheaper per km than petrol thanks to better mileage and a lower price.
How much does a 300 km road trip cost in India?
For fuel alone, a 300 km trip costs roughly ₹2,080 (petrol), ₹1,533 (diesel), ₹844 (CNG) or ₹418 (EV). Add tolls, food and any stay for the full trip budget.
Is CNG cheaper than petrol for 300 km?
Yes, significantly. A 300 km trip costs about ₹844 on CNG versus ₹2,080 on petrol, a saving of around ₹1,236, which is why CNG is popular for high-mileage drivers despite the higher upfront vehicle cost.
How much does an EV cost for 300 km?
Charging an electric car for 300 km costs only about ₹418 at home rates (₹9 per kWh), the cheapest option by far, roughly a fifth to a tenth of petrol. Public fast-charging costs more.