How Much Petrol Required for 100 km? – Instant Calculator

Formula: litres = 100 km ÷ your km/L. At a typical 15 km/L petrol average, that is about 6.7 L before AC and traffic effects. Adjust mileage and price below.

Frequently asked questions

How much petrol is required for 100 km?▾

Divide 100 km by your vehicle mileage in km per litre. Example at 15 km/L: 100 ÷ 15 ≈ 6.7 litres. Use AC or heavy traffic often reduces real mileage.

How do I find my car km per litre average?▾

Fill the tank, note odometer, drive until the next fill, then divide kilometres driven by litres added. Many owners use 12–18 km/L for petrol cars in India depending on model and driving.

Is diesel or CNG calculated the same way?▾

Yes: distance ÷ km per litre (or km per kg for CNG where billed per kg). Use the calculator fuel type and price fields for diesel or CNG.

Related tools

Preset trip-cost URLs cover 300, 400, 500, 600, and 1000 km. For other distances use the main trip planner.