Calculate Petrol Consumption

by

Petrol Consumption Calculator

Results:

Fuel Consumption: 0 L/100km

Fuel Efficiency: 0 MPG (UK)

Total Trip Cost: 0

Cost Per Kilometer: 0

function calculatePetrolUsage() { var dist = parseFloat(document.getElementById('distance').value); var fuel = parseFloat(document.getElementById('fuelUsed').value); var price = parseFloat(document.getElementById('fuelPrice').value); var resArea = document.getElementById('resultArea'); if (isNaN(dist) || isNaN(fuel) || dist <= 0 || fuel 0) { totalCost = fuel * price; costKm = totalCost / dist; } // Update UI document.getElementById('consumptionRate').innerText = l100.toFixed(2); document.getElementById('mpgRate').innerText = mpg.toFixed(2); document.getElementById('totalTripCost').innerText = totalCost > 0 ? totalCost.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}) : "N/A"; document.getElementById('costPerKm').innerText = costKm > 0 ? costKm.toFixed(3) : "N/A"; resArea.style.display = 'block'; }

How to Calculate Petrol Consumption

Understanding your vehicle's fuel efficiency is essential for budgeting and monitoring engine health. This Petrol Consumption Calculator allows you to quickly determine how many liters of fuel your car uses per 100 kilometers (L/100km) and your average cost per trip.

The Formula for Fuel Efficiency

In most countries, the standard metric for fuel efficiency is Liters per 100 Kilometers (L/100km). Unlike Miles Per Gallon (MPG), where a higher number is better, with L/100km, a lower number indicates better fuel efficiency.

Formula: (Fuel Consumed ÷ Distance Traveled) × 100 = L/100km

Practical Example

Imagine you took a road trip and recorded the following data:

  • Distance Traveled: 600 km
  • Fuel Used: 45 Liters
  • Fuel Price: 1.65 per Liter

Step 1: Calculate L/100km
(45 / 600) × 100 = 7.5 L/100km

Step 2: Calculate Cost
45 Liters × 1.65 = 74.25 (Total Cost)
74.25 / 600 = 0.124 per Kilometer

Tips to Improve Your Petrol Consumption

  1. Maintain Tire Pressure: Under-inflated tires increase rolling resistance and consume more fuel.
  2. Smooth Driving: Avoid rapid acceleration and hard braking.
  3. Remove Excess Weight: Carrying unnecessary heavy items in your trunk reduces efficiency.
  4. Regular Servicing: A clogged air filter or old spark plugs can significantly increase petrol usage.

Leave a Comment