Calculator Petrol

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Fuel Trip Cost Calculator

Trip Summary

Total Fuel Needed: 0 Liters

Total Cost: $0.00

Cost per Person: $0.00

function calculatePetrolCost() { var distance = parseFloat(document.getElementById('distance').value); var consumption = parseFloat(document.getElementById('consumption').value); var price = parseFloat(document.getElementById('price').value); var passengers = parseFloat(document.getElementById('passengers').value); if (isNaN(distance) || isNaN(consumption) || isNaN(price) || isNaN(passengers) || distance <= 0) { alert('Please enter valid positive numbers for all fields.'); return; } var totalLiters = (distance / 100) * consumption; var totalCost = totalLiters * price; var perPerson = totalCost / passengers; document.getElementById('totalFuel').innerHTML = totalLiters.toFixed(2); document.getElementById('totalTripCost').innerHTML = '$' + totalCost.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('costPerPerson').innerHTML = '$' + perPerson.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('petrolResult').style.display = 'block'; }

How to Calculate Petrol Costs for Your Next Road Trip

Planning a road trip involves more than just picking a destination. Understanding your fuel expenses is crucial for budget management, whether you are commuting to work or driving across the country. A petrol calculator helps you estimate the total volume of fuel you will consume and the financial cost associated with that trip.

Understanding the Calculation Formula

The math behind fuel consumption is relatively straightforward. Most vehicles measure efficiency in Liters per 100 Kilometers (L/100km). To find your total trip cost, we use the following steps:

  1. Calculate Fuel Volume: Divide the total distance by 100, then multiply by the car's fuel consumption rate. (Distance / 100 × Consumption).
  2. Calculate Financial Cost: Multiply the fuel volume by the current price of petrol per liter.
  3. Calculate Individual Share: Divide the total cost by the number of passengers sharing the ride.

Example: A Weekend Getaway

Imagine you are planning a 400km trip. Your car averages 7.5L/100km, and petrol is currently priced at $1.70 per liter. You are traveling with three friends (4 people total).

  • Fuel Needed: (400 / 100) × 7.5 = 30 Liters.
  • Total Cost: 30 × $1.70 = $51.00.
  • Cost Per Person: $51.00 / 4 = $12.75.

Tips to Improve Your Fuel Efficiency

If your calculation shows a higher cost than expected, consider these methods to reduce your petrol consumption:

  • Maintain Steady Speeds: Rapid acceleration and heavy braking can increase fuel use by up to 30%.
  • Check Tire Pressure: Under-inflated tires increase rolling resistance, forcing the engine to work harder.
  • Remove Excess Weight: Carrying heavy items in the trunk increases the load on your vehicle.
  • Aerodynamics: Roof racks and open windows at high speeds create drag.

Frequently Asked Questions

What is the average fuel consumption?
Most modern sedans range between 6L to 8L per 100km, while larger SUVs or older trucks may consume 12L to 15L per 100km.

Should I use Premium or Regular petrol?
Always follow your vehicle manufacturer's recommendation found in the owner's manual. Using high-octane fuel in a car designed for regular petrol rarely provides a benefit that justifies the extra cost.

Does air conditioning affect the calculation?
Yes, running the AC can increase fuel consumption by 5% to 20%, depending on the outside temperature and the vehicle type.

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