Free transport tool

Fuel cost calculator

Fuel cost = distance ÷ mileage × fuel price. A 500 km trip at 4 km/l with diesel at ₹90 needs 125 litres and costs ₹11,250 — ₹22.50 per km.

Result

Distance travelled500 km
Fuel required125.0 litres
Fuel cost per trip₹11,250
Fuel cost per km₹22.50
Fuel cost / month (12 trips)₹1,35,000

Formula

Litres = distance ÷ mileage. Cost = litres × price. Cost per km = price ÷ mileage.

Frequently asked questions

How do I check if a driver is overstating fuel?

Compare litres filled against km run between full-tank fills for each vehicle; persistent drops in mileage on one driver point to a problem.

More free resources

Rates and rules checked for FY 2025-26 (last reviewed 2026-10-04). Results are estimates for planning, not tax or legal advice.