/* Basic Styling for the Fuel Consumption Calculator */
.fuel-consumption-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
max-width: 700px;
margin: 20px auto;
padding: 25px;
border: 1px solid #e0e0e0;
border-radius: 10px;
background-color: #f9f9f9;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
color: #333;
}
.fuel-consumption-calculator-container h2 {
text-align: center;
color: #2c3e50;
margin-bottom: 25px;
font-size: 1.8em;
border-bottom: 2px solid #4CAF50;
padding-bottom: 10px;
}
.fuel-consumption-calculator-container .input-group {
margin-bottom: 18px;
display: flex;
flex-direction: column;
}
.fuel-consumption-calculator-container label {
margin-bottom: 8px;
font-weight: bold;
color: #555;
font-size: 0.95em;
}
.fuel-consumption-calculator-container input[type="number"] {
width: calc(100% – 20px);
padding: 12px;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 1em;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.fuel-consumption-calculator-container input[type="number"]:focus {
border-color: #4CAF50;
outline: none;
box-shadow: 0 0 5px rgba(76, 175, 80, 0.4);
}
.fuel-consumption-calculator-container button {
display: block;
width: 100%;
padding: 14px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 6px;
font-size: 1.1em;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
margin-top: 20px;
}
.fuel-consumption-calculator-container button:hover {
background-color: #45a049;
transform: translateY(-2px);
}
.fuel-consumption-calculator-container .result-section {
margin-top: 30px;
padding: 20px;
background-color: #e8f5e9; /* Light green background */
border: 1px solid #c8e6c9;
border-radius: 8px;
font-size: 1.1em;
color: #2e7d32; /* Darker green text */
line-height: 1.6;
}
.fuel-consumption-calculator-container .result-section p {
margin: 8px 0;
}
.fuel-consumption-calculator-container .result-section strong {
color: #1b5e20; /* Even darker green for emphasis */
}
.fuel-consumption-calculator-container .error-message {
color: #d32f2f;
background-color: #ffebee;
border: 1px solid #ef9a9a;
padding: 10px;
border-radius: 5px;
margin-top: 15px;
font-weight: bold;
}
/* Article Styling */
.fuel-consumption-calculator-container .article-content {
margin-top: 40px;
padding-top: 30px;
border-top: 1px dashed #ccc;
color: #444;
line-height: 1.7;
}
.fuel-consumption-calculator-container .article-content h3 {
color: #2c3e50;
margin-top: 25px;
margin-bottom: 15px;
font-size: 1.5em;
}
.fuel-consumption-calculator-container .article-content p {
margin-bottom: 15px;
}
.fuel-consumption-calculator-container .article-content ul {
list-style-type: disc;
margin-left: 25px;
margin-bottom: 15px;
}
.fuel-consumption-calculator-container .article-content li {
margin-bottom: 8px;
}
/* Responsive adjustments */
@media (max-width: 600px) {
.fuel-consumption-calculator-container {
padding: 15px;
margin: 10px;
}
.fuel-consumption-calculator-container h2 {
font-size: 1.5em;
}
.fuel-consumption-calculator-container button {
font-size: 1em;
padding: 12px;
}
}
function calculateFuelConsumption() {
var distanceTraveled = parseFloat(document.getElementById('distanceTraveled').value);
var fuelConsumed = parseFloat(document.getElementById('fuelConsumed').value);
var fuelPricePerUnit = parseFloat(document.getElementById('fuelPricePerUnit').value);
var resultDiv = document.getElementById('fuelConsumptionResult');
resultDiv.style.display = 'none'; // Hide previous results
resultDiv.innerHTML = "; // Clear previous results
// Input validation
if (isNaN(distanceTraveled) || distanceTraveled <= 0) {
resultDiv.style.display = 'block';
resultDiv.className = 'result-section error-message';
resultDiv.innerHTML = 'Please enter a valid positive number for Distance Traveled.';
return;
}
if (isNaN(fuelConsumed) || fuelConsumed <= 0) {
resultDiv.style.display = 'block';
resultDiv.className = 'result-section error-message';
resultDiv.innerHTML = 'Please enter a valid positive number for Fuel Consumed.';
return;
}
// Reset class if there was a previous error
resultDiv.className = 'result-section';
var efficiency = distanceTraveled / fuelConsumed;
var outputHTML = '';
outputHTML += 'Fuel Efficiency: ';
if (distanceTraveled > 0 && fuelConsumed > 0) {
// Determine units based on common usage patterns, but state generically
var efficiencyUnit = "units per unit of fuel"; // Generic label
var lPer100km = null;
// If distance is in km and fuel in liters, calculate L/100km
// This is an assumption based on typical metric usage.
// The user is expected to input consistent units.
lPer100km = (fuelConsumed / distanceTraveled) * 100;
outputHTML += efficiency.toFixed(2) + ' ' + efficiencyUnit + '. ';
outputHTML += ' (Equivalent to ' + lPer100km.toFixed(2) + ' L/100km if inputs were in km and liters)';
} else {
outputHTML += 'N/A';
}
outputHTML += ";
if (!isNaN(fuelPricePerUnit) && fuelPricePerUnit >= 0) {
var totalFuelCost = fuelConsumed * fuelPricePerUnit;
var costPerUnitDistance = totalFuelCost / distanceTraveled;
outputHTML += 'Total Fuel Cost: $' + totalFuelCost.toFixed(2) + ";
outputHTML += 'Cost Per Unit Distance: $' + costPerUnitDistance.toFixed(3) + ' per unit';
} else {
outputHTML += 'Fuel price not provided, cost calculations skipped.';
}
resultDiv.innerHTML = outputHTML;
resultDiv.style.display = 'block';
}
Fuel Consumption Calculator
Understanding Fuel Consumption
Fuel consumption is a measure of how much fuel a vehicle uses to travel a certain distance. It's a critical metric for drivers, helping them understand the running costs of their vehicle, assess its efficiency, and even contribute to environmental awareness. Whether you're planning a road trip or just tracking your daily commute, knowing your vehicle's fuel efficiency can lead to smarter driving habits and potential savings.
Why Calculate Fuel Consumption?
- Cost Savings: By understanding your vehicle's efficiency, you can identify ways to reduce fuel expenses. More efficient driving means fewer trips to the pump.
- Vehicle Performance: A sudden drop in fuel efficiency can be an early indicator of mechanical issues, prompting timely maintenance.
- Environmental Impact: Lower fuel consumption generally means lower carbon emissions, contributing to a smaller environmental footprint.
- Budgeting: Accurate fuel consumption data helps in better financial planning for transportation costs.
Common Units of Measurement
Fuel consumption is expressed in various units depending on the region:
- Miles Per Gallon (MPG): Common in the United States and the United Kingdom, indicating how many miles a vehicle can travel on one gallon of fuel. Higher MPG means better efficiency.
- Liters Per 100 Kilometers (L/100km): Widely used in most metric countries, this measures how many liters of fuel are needed to travel 100 kilometers. Lower L/100km means better efficiency.
- Kilometers Per Liter (km/L): Used in some countries, similar to MPG but with metric units. Higher km/L means better efficiency.
Our calculator is designed to be flexible. If you input distance in miles and fuel in gallons, the efficiency will be in miles per gallon. If you input distance in kilometers and fuel in liters, the efficiency will be in kilometers per liter, and we'll also provide the L/100km equivalent.
Factors Affecting Fuel Consumption
Several factors can influence how much fuel your vehicle consumes:
- Driving Style: Aggressive driving (rapid acceleration, hard braking) significantly increases fuel use compared to smooth, consistent driving.
- Vehicle Maintenance: Poorly maintained engines, underinflated tires, clogged air filters, and old spark plugs can all reduce fuel efficiency.
- Road Conditions: Uphill driving, stop-and-go traffic, and rough terrain demand more fuel.
- Vehicle Load: Carrying heavy loads or using roof racks increases aerodynamic drag and weight, leading to higher fuel consumption.
- Air Conditioning Use: Running the AC puts an extra load on the engine, increasing fuel usage.
- Tire Pressure: Properly inflated tires reduce rolling resistance, improving efficiency.
How to Use the Calculator
- Distance Traveled: Enter the total distance you have driven. This could be for a single trip, a week's worth of driving, or a full tank.
- Fuel Consumed: Input the amount of fuel your vehicle used to cover that distance. This is typically measured by filling your tank and noting the liters or gallons added.
- Fuel Price Per Unit (Optional): If you know the price you paid per unit of fuel (e.g., $3.50 per gallon or €1.80 per liter), enter it to calculate total cost and cost per unit distance.
- Click "Calculate Fuel Consumption" to see your results.
Example Calculation
Let's say you drove 450 kilometers and used 30 liters of fuel. The fuel price was €1.60 per liter.
- Efficiency (km/L): 450 km / 30 L = 15 km/L
- Efficiency (L/100km): (30 L / 450 km) * 100 = 6.67 L/100km
- Total Fuel Cost: 30 L * €1.60/L = €48.00
- Cost Per Kilometer: €48.00 / 450 km = €0.107 per km
This calculator will provide these metrics instantly, helping you keep track of your vehicle's performance and expenses.