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Utility Calculators

Fuel Cost Calculator

Verified formula Updated Jun 2026 Private — runs on your device

Enter details
km
km/litre
₹/litre
Verified formula Private

Trip fuel cost

₹666.67

Fuel needed
6.67 litres

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Fuel Cost Calculator

The Fuel Cost Calculator works out your trip fuel cost, along with 1 related figure in an instant. Enter distance, mileage and fuel price and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the distance.
  2. Enter the mileage.
  3. Enter the fuel price.
  4. Read off your trip fuel cost, together with fuel needed — the calculator updates automatically, with no button to press.

Formula

The Fuel Cost Calculator uses the formula:

Trip fuel cost = Distance ÷ Mileage × Fuel price

Worked example

For example, with distance of 100 km, mileage of 15 km/litre and fuel price of ₹/litre100, the trip fuel cost is ₹666.67.

Inputs used
Distance 100 km
Mileage 15 km/litre
Fuel price ₹/litre100
Results
Fuel needed 6.67 litres
Trip fuel cost ₹666.67

Results are estimates for educational use, not professional advice.

Frequently asked questions

Divide the distance by your vehicle's mileage to get the litres of fuel needed, then multiply by the fuel price per litre to get the total cost of the trip.

Fill the tank, note the odometer, drive normally and refill. Divide the kilometres driven by the litres added. Real mileage is usually lower than the showroom figure.

Maintain steady speeds, keep tyres correctly inflated, service the vehicle, avoid idling and carpool where possible. Each improves effective mileage and lowers cost.

Yes. Enter the total distance for the journey, including the return leg, to get the full fuel cost for the round trip.

Enter the distance. Enter the mileage. Enter the fuel price. Read off your trip fuel cost, together with fuel needed — the calculator updates automatically, with no button to press.

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