Trucker Calculator

Trucker Calculator: Estimate Your Earnings & Expenses :root { –primary-color: #004a99; –secondary-color: #e9ecef; –background-color: #f8f9fa; –card-background: #ffffff; –text-color: #333; –border-color: #ccc; –shadow-color: rgba(0, 0, 0, 0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); margin: 0; padding: 0; line-height: 1.6; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; margin-top: 30px; } h3 { font-size: 1.4em; margin-top: 25px; } .loan-calc-container { margin-top: 20px; padding: 20px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); } .input-group { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed var(–secondary-color); } .input-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { width: calc(100% – 22px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: #dc3545; font-size: 0.8em; margin-top: 5px; display: block; min-height: 1.2em; } .button-group { text-align: center; margin-top: 20px; } button { background-color: var(–primary-color); color: white; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; font-size: 1em; margin: 5px; transition: background-color 0.3s ease; } button:hover { background-color: #003366; } #result { margin-top: 25px; padding: 20px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); text-align: center; } #result .main-result { font-size: 2em; font-weight: bold; color: var(–primary-color); margin-bottom: 15px; } #result .intermediate-values div { margin-bottom: 8px; font-size: 1.1em; } #result .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; padding-top: 10px; border-top: 1px dashed var(–secondary-color); } .table-container { overflow-x: auto; margin-top: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); } table { width: 100%; border-collapse: collapse; margin-bottom: 0; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; text-align: left; padding: 10px 0; } th, td { padding: 10px; text-align: right; border: 1px solid var(–secondary-color); } th { background-color: var(–primary-color); color: white; font-weight: bold; text-align: center; } td { background-color: var(–card-background); } tr:nth-child(even) td { background-color: var(–secondary-color); } .chart-container { margin-top: 25px; padding: 20px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); text-align: center; } canvas { max-width: 100%; height: auto; } .article-section { margin-top: 30px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } .article-section p { margin-bottom: 15px; } .article-section ul { list-style-type: disc; margin-left: 20px; margin-bottom: 15px; } .article-section li { margin-bottom: 8px; } .internal-links-list li { margin-bottom: 10px; } .internal-links-list a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links-list a:hover { text-decoration: underline; } .footer { text-align: center; margin-top: 30px; padding: 20px; font-size: 0.9em; color: #777; } @media (max-width: 768px) { .container { margin: 10px; padding: 15px; } h1 { font-size: 1.8em; } h2 { font-size: 1.5em; } h3 { font-size: 1.2em; } button { padding: 8px 15px; font-size: 0.95em; } #result .main-result { font-size: 1.8em; } }

Trucker Calculator: Estimate Your Earnings & Expenses

A comprehensive tool for truckers to estimate their potential income, operating costs, and net profit. Essential for owner-operators and fleet managers.

Trucker Earnings & Expenses Calculator

Enter the total miles driven in the selected period (e.g., monthly).
Your average earnings for each mile driven.
The average price you pay for a gallon of fuel.
Your truck's fuel efficiency.
Includes maintenance, tires, insurance, tolls, etc.
Monthly costs like truck payments, permits, base fees.
Total Revenue: —
Total Fuel Cost: —
Total Operating Costs: —
Formula Used:
Total Revenue = Miles Driven * Revenue Per Mile
Total Fuel Cost = (Miles Driven / Miles Per Gallon) * Fuel Cost Per Gallon
Total Other Operating Costs = Miles Driven * Other Operating Costs Per Mile
Total Variable Costs = Total Fuel Cost + Total Other Operating Costs
Total Costs = Total Variable Costs + Fixed Costs Per Period
Net Profit = Total Revenue – Total Costs
Monthly Cost Breakdown
Cost Category Calculation Amount ($)
Total Revenue
Fuel Cost
Other Operating Costs
Fixed Costs N/A (Per Period)
Total Expenses Sum of Costs
Net Profit Revenue – Expenses

Cost vs. Revenue Distribution

Legend: Revenue, Fuel Costs, Other Operating Costs, Fixed Costs

What is a Trucker Calculator?

A trucker calculator is an indispensable digital tool designed specifically for individuals and businesses operating in the trucking industry. It helps estimate crucial financial metrics such as potential earnings, operating expenses, and ultimately, net profit. For owner-operators who bear the full financial responsibility of their business, and for fleet managers aiming to optimize profitability, a reliable trucker calculator provides clarity and aids in strategic decision-making. It simplifies complex calculations involving mileage, fuel consumption, revenue rates, and various operational costs, presenting them in an easily understandable format.

The primary goal of using a trucker calculator is to gain a realistic financial outlook. This allows truckers to set appropriate rates, budget effectively for expenses, and identify areas where costs can be reduced. By inputting key variables like miles driven, revenue per mile, fuel prices, and maintenance costs, users can quickly see the potential financial outcomes of their operations. This proactive approach is vital in the often volatile and competitive trucking market, helping to ensure the sustainability and profitability of trucking businesses.

Trucker Calculator Formula and Mathematical Explanation

The core of any trucker calculator lies in its underlying formulas, which break down the financial performance of a trucking operation. These calculations are designed to be straightforward yet comprehensive, covering the main revenue streams and cost centers.

1. Total Revenue: This is the gross income generated from hauling loads. The formula is simple:

Total Revenue = Total Miles Driven × Revenue Per Mile

For example, if a trucker drives 10,000 miles in a month and earns $1.80 per mile, their total revenue would be $18,000.

2. Total Fuel Cost: Fuel is often the largest variable expense. This calculation depends on the truck's fuel efficiency (MPG) and the price of fuel:

Total Fuel Cost = (Total Miles Driven / Miles Per Gallon) × Fuel Cost Per Gallon

Using the previous example, if the truck gets 6.5 MPG and fuel costs $4.50 per gallon, the total fuel cost would be (10,000 miles / 6.5 MPG) × $4.50/gallon ≈ $6,923.

3. Total Other Operating Costs: These are variable costs directly tied to mileage, excluding fuel. They include maintenance, tires, insurance premiums allocated per mile, tolls, and other wear-and-tear expenses.

Total Other Operating Costs = Total Miles Driven × Other Operating Costs Per Mile

If other operating costs are $0.50 per mile, for 10,000 miles, this amounts to $5,000.

4. Total Variable Costs: This is the sum of all costs that fluctuate with mileage.

Total Variable Costs = Total Fuel Cost + Total Other Operating Costs

In our example: $6,923 + $5,000 = $11,923.

5. Fixed Costs: These are expenses that remain relatively constant regardless of the miles driven within a period. They include truck payments, insurance premiums (if not allocated per mile), permits, licenses, and administrative fees.

Fixed Costs = Sum of all non-mileage-dependent expenses

If fixed costs are $1,500 per month, this amount is added regardless of mileage.

6. Total Costs: The sum of all expenses incurred during the period.

Total Costs = Total Variable Costs + Fixed Costs

In our example: $11,923 + $1,500 = $13,423.

7. Net Profit: This is the ultimate measure of profitability – what's left after all expenses are paid.

Net Profit = Total Revenue - Total Costs

For our example: $18,000 (Revenue) – $13,423 (Total Costs) = $4,577 (Net Profit).

A robust trucker calculator automates these calculations, allowing for quick scenario analysis and financial planning. Understanding these formulas is key to effectively using the tool and managing a trucking business.

Practical Examples (Real-World Use Cases)

The trucker calculator is versatile and applicable to various scenarios faced by trucking professionals. Here are a few practical examples:

Example 1: Owner-Operator Profitability Analysis

Maria is an owner-operator running her own truck. She wants to assess her monthly profitability. She inputs the following into the trucker calculator:

  • Miles Driven: 11,000 miles
  • Revenue Per Mile: $1.95
  • Fuel Cost Per Gallon: $4.75
  • Miles Per Gallon: 7.0
  • Other Operating Costs Per Mile: $0.55
  • Fixed Costs Per Period: $1,800 (truck payment, insurance)

The calculator shows:

  • Total Revenue: $21,450
  • Total Fuel Cost: Approx. $7,411
  • Total Other Operating Costs: $6,050
  • Total Costs: Approx. $15,261
  • Net Profit: $6,189

This calculation helps Maria understand her current earnings and identify that fuel and other operating costs are significant components of her expenses.

Example 2: Evaluating a New Load Offer

John, another owner-operator, receives a potential load offer. The load is estimated to be 800 miles one-way, and the shipper offers $1.70 per mile. John needs to decide if it's profitable, considering his truck's average MPG (6.0) and his estimated costs ($4.60/gallon fuel, $0.60/mile other operating costs). He assumes he can get a backhaul for similar rates.

He uses the trucker calculator for a round trip (1600 miles):

  • Miles Driven: 1600 miles
  • Revenue Per Mile: $1.70
  • Fuel Cost Per Gallon: $4.60
  • Miles Per Gallon: 6.0
  • Other Operating Costs Per Mile: $0.60
  • Fixed Costs Per Period: (He allocates a portion for this trip, say $200)

The calculator reveals:

  • Total Revenue: $2,720
  • Total Fuel Cost: Approx. $1,227
  • Total Other Operating Costs: $960
  • Total Costs: Approx. $2,387
  • Net Profit: $333

This suggests the load is marginally profitable. John might negotiate a higher rate or consider if the miles are worth the wear and tear, especially if his fixed costs are higher.

Example 3: Fleet Manager Budgeting

A small fleet manager uses the trucker calculator to project monthly expenses for their fleet of 5 trucks. They input average data:

  • Average Miles Per Truck Per Month: 9,500
  • Total Fleet Miles: 47,500
  • Average Revenue Per Mile: $1.85
  • Average Fuel Cost Per Gallon: $4.50
  • Average MPG: 6.8
  • Average Other Operating Costs Per Mile: $0.52
  • Total Fixed Costs for Fleet: $10,000

The calculator helps them estimate:

  • Total Fleet Revenue: $87,875
  • Total Fleet Fuel Cost: Approx. $31,360
  • Total Fleet Other Operating Costs: $24,700
  • Total Fleet Costs: Approx. $57,060
  • Total Fleet Net Profit: $30,815

This projection aids in budgeting, cash flow management, and setting performance targets for the fleet.

How to Use This Trucker Calculator

Using this trucker calculator is designed to be intuitive and straightforward. Follow these steps to get accurate financial estimates for your trucking operations:

  1. Input Your Operational Data:
    • Total Miles Driven: Enter the total number of miles your truck(s) covered during the period you want to analyze (e.g., a week, a month).
    • Revenue Per Mile: Input the average amount you earn for each mile driven. This is your gross rate before expenses.
    • Fuel Cost Per Gallon: Enter the current average price you pay for diesel or gasoline.
    • Miles Per Gallon (MPG): Specify your truck's average fuel efficiency.
    • Other Operating Costs Per Mile: Estimate the average cost per mile for expenses like maintenance, tires, insurance (if variable), tolls, etc.
    • Fixed Costs Per Period: Enter your consistent monthly expenses that don't change with mileage, such as truck payments, permits, base fees, or administrative costs.
  2. Validate Inputs: As you enter each value, the calculator will perform inline validation. Ensure you don't enter negative numbers or leave fields blank. Error messages will appear below the relevant input field if there's an issue.
  3. Calculate: Click the "Calculate" button. The calculator will process your inputs using the defined formulas.
  4. Review Results:
    • The Net Profit will be displayed prominently as the main result.
    • Key intermediate values like Total Revenue, Total Fuel Cost, and Total Operating Costs will also be shown.
    • A brief explanation of the formulas used is provided for clarity.
  5. Analyze Table and Chart:
    • The Cost Breakdown Table provides a detailed view of each expense category and the total expenses versus revenue.
    • The Cost vs. Revenue Chart offers a visual representation of how your revenue is distributed among different cost categories and profit.
  6. Copy Results: If you need to share your findings or save them elsewhere, click the "Copy Results" button. This will copy the main result, intermediate values, and key assumptions to your clipboard.
  7. Reset: To start over with new figures or return to default values, click the "Reset" button.

By consistently using this trucker calculator, you can maintain a clear understanding of your financial health and make informed business decisions.

Key Factors That Affect Trucker Calculator Results

Several variables significantly influence the outcomes generated by a trucker calculator. Understanding these factors is crucial for accurate estimations and effective financial management in the trucking industry:

  • Fuel Prices: Fluctuations in diesel or gasoline prices are a primary driver of operating costs. A higher fuel cost per gallon directly increases total fuel expenses, potentially reducing net profit if revenue doesn't adjust accordingly. This is why monitoring fuel price trends is vital.
  • Miles Per Gallon (MPG): The fuel efficiency of the truck plays a critical role. A truck with better MPG will consume less fuel for the same distance, lowering costs. Regular maintenance, aerodynamic improvements, and driver behavior can impact MPG.
  • Revenue Per Mile: This is the rate charged to clients. Market demand, contract terms, type of freight, and negotiation skills all influence this rate. Low revenue per mile, especially combined with high costs, can quickly erode profitability. Exploring freight rate benchmarks can be helpful.
  • Operating Costs Per Mile: This encompasses a wide range of expenses including maintenance, tires, insurance, permits, and tolls. Unexpected repairs or rising costs in these areas can significantly impact the bottom line. Effective truck maintenance scheduling can help control these costs.
  • Fixed Costs: While not directly tied to mileage, fixed costs like loan payments, insurance premiums (if fixed), and administrative overhead represent a baseline expense that must be covered by revenue. High fixed costs require higher revenue generation to achieve profitability.
  • Miles Driven: The total volume of miles directly scales revenue and variable costs. While more miles generally mean more revenue, they also mean higher fuel and maintenance expenses. Balancing mileage with profitability is key.
  • Economic Conditions: Broader economic factors, such as inflation, demand for goods, and supply chain disruptions, can affect freight volumes, rates, and the cost of goods and services (like fuel and parts).
  • Regulatory Changes: New regulations concerning emissions, driver hours, or safety standards can introduce new costs or impact operational efficiency.

By carefully considering and accurately inputting these factors into the trucker calculator, professionals can gain a more realistic and actionable understanding of their financial performance.

Frequently Asked Questions (FAQ)

Q1: What is the difference between revenue per mile and net profit per mile?

Revenue per mile is the gross amount earned for each mile driven before any expenses are deducted. Net profit per mile is the revenue per mile minus all associated variable and fixed costs allocated per mile. It represents the actual profit generated from each mile.

Q2: How often should I use a trucker calculator?

It's recommended to use a trucker calculator regularly, ideally on a weekly or monthly basis, to track your financial performance. This allows for timely adjustments to your rates, routes, or cost management strategies. For specific load decisions, use it ad-hoc.

Q3: Can this calculator help me determine my tax obligations?

This trucker calculator primarily focuses on operational profitability. While it helps estimate your gross income and expenses, it does not calculate specific tax liabilities. Tax obligations depend on various factors, including your business structure, deductions, and tax laws. Consult with a tax professional for accurate tax advice.

Q4: What are considered "Other Operating Costs"?

"Other Operating Costs" typically include expenses directly related to operating the truck per mile, excluding fuel. This commonly includes maintenance and repairs, tires, insurance premiums (if variable per mile), registration fees (if prorated), tolls, and other consumables.

Q5: How can I improve my truck's MPG?

Improving MPG involves several strategies: maintaining proper tire inflation, reducing unnecessary idling, optimizing driving speed (often between 55-65 mph), ensuring regular engine maintenance, using aerodynamic features like fairings and trailer skirts, and potentially investing in fuel-efficient tires.

Related Tools and Internal Resources

© 2023 Your Company Name. All rights reserved.

Disclaimer: This calculator provides estimates for informational purposes only. Actual results may vary.

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var totalFuelCostDisplay = document.getElementById('totalFuelCost'); var totalOperatingCostsDisplay = document.getElementById('totalOperatingCosts'); var tableRevenueCalc = document.getElementById('tableRevenueCalc'); var tableRevenueAmount = document.getElementById('tableRevenueAmount'); var tableFuelCalc = document.getElementById('tableFuelCalc'); var tableFuelAmount = document.getElementById('tableFuelAmount'); var tableOtherOpCalc = document.getElementById('tableOtherOpCalc'); var tableOtherOpAmount = document.getElementById('tableOtherOpAmount'); var tableFixedAmount = document.getElementById('tableFixedAmount'); var tableTotalExpenses = document.getElementById('tableTotalExpenses'); var tableNetProfit = document.getElementById('tableNetProfit'); var truckerChart; var chartContext; function formatCurrency(amount) { return "$" + amount.toFixed(2); } function formatNumber(amount) { return amount.toFixed(2); } function validateInput(inputElement, errorElement, minValue = 0) { var value = parseFloat(inputElement.value); if (isNaN(value)) { errorElement.textContent = "Please enter a valid number."; return false; } if (value 0 isValid &= validateInput(otherOperatingCostsPerMileInput, otherOperatingCostsPerMileError); isValid &= validateInput(fixedCostsPerPeriodInput, fixedCostsPerPeriodError); if (!isValid) { netProfitDisplay.textContent = "–"; totalRevenueDisplay.textContent = "Total Revenue: –"; totalFuelCostDisplay.textContent = "Total Fuel Cost: –"; totalOperatingCostsDisplay.textContent = "Total Operating Costs: –"; updateTableAndChart(0, 0, 0, 0, 0, 0, 0); return; } var milesDriven = parseFloat(milesDrivenInput.value); var revenuePerMile = parseFloat(revenuePerMileInput.value); var fuelCostPerGallon = parseFloat(fuelCostPerGallonInput.value); var milesPerGallon = parseFloat(milesPerGallonInput.value); var otherOperatingCostsPerMile = parseFloat(otherOperatingCostsPerMileInput.value); var fixedCostsPerPeriod = parseFloat(fixedCostsPerPeriodInput.value); var totalRevenue = milesDriven * revenuePerMile; var gallonsNeeded = milesDriven / milesPerGallon; var totalFuelCost = gallonsNeeded * fuelCostPerGallon; var totalOtherOperatingCosts = milesDriven * otherOperatingCostsPerMile; var totalVariableCosts = totalFuelCost + totalOtherOperatingCosts; var totalCosts = totalVariableCosts + fixedCostsPerPeriod; var netProfit = totalRevenue – totalCosts; netProfitDisplay.textContent = formatCurrency(netProfit); totalRevenueDisplay.textContent = "Total Revenue: " + formatCurrency(totalRevenue); totalFuelCostDisplay.textContent = "Total Fuel Cost: " + formatCurrency(totalFuelCost); totalOperatingCostsDisplay.textContent = "Total Operating Costs: " + formatCurrency(totalVariableCosts); updateTableAndChart(totalRevenue, totalFuelCost, totalOtherOperatingCosts, fixedCostsPerPeriod, totalCosts, netProfit, milesDriven); } function updateTableAndChart(totalRevenue, totalFuelCost, totalOtherOperatingCosts, fixedCostsPerPeriod, totalCosts, netProfit, milesDriven) { tableRevenueAmount.textContent = formatCurrency(totalRevenue); tableFuelAmount.textContent = formatCurrency(totalFuelCost); tableOtherOpAmount.textContent = formatCurrency(totalOtherOperatingCosts); tableFixedAmount.textContent = formatCurrency(fixedCostsPerPeriod); tableTotalExpenses.textContent = formatCurrency(totalCosts); tableNetProfit.textContent = formatCurrency(netProfit); tableRevenueCalc.textContent = milesDriven + " mi * " + formatNumber(parseFloat(revenuePerMileInput.value)) + "/mi"; tableFuelCalc.textContent = "(" + milesDriven + " mi / " + formatNumber(parseFloat(milesPerGallonInput.value)) + " MPG) * " + formatCurrency(parseFloat(fuelCostPerGallonInput.value)) + "/gal"; tableOtherOpCalc.textContent = milesDriven + " mi * " + formatCurrency(parseFloat(otherOperatingCostsPerMileInput.value)) + "/mi"; if (truckerChart) { truckerChart.destroy(); } chartContext = document.getElementById('truckerChart').getContext('2d'); truckerChart = new Chart(chartContext, { type: 'pie', data: { labels: ['Revenue', 'Fuel Costs', 'Other Operating Costs', 'Fixed Costs', 'Net Profit'], datasets: [{ label: 'Amount ($)', data: [ totalRevenue, totalFuelCost, totalOtherOperatingCosts, fixedCostsPerPeriod, netProfit > 0 ? netProfit : 0 // Don't show negative profit as a slice ], backgroundColor: [ 'rgba(75, 192, 192, 0.7)', // Revenue 'rgba(255, 99, 132, 0.7)', // Fuel Costs 'rgba(255, 206, 86, 0.7)', // Other Operating Costs 'rgba(153, 102, 255, 0.7)', // Fixed Costs 'rgba(54, 162, 235, 0.7)' // Net Profit ], borderColor: [ 'rgba(75, 192, 192, 1)', 'rgba(255, 99, 132, 1)', 'rgba(255, 206, 86, 1)', 'rgba(153, 102, 255, 1)', 'rgba(54, 162, 235, 1)' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Financial Distribution' } } } }); } function resetCalculator() { milesDrivenInput.value = 10000; revenuePerMileInput.value = 1.80; fuelCostPerGallonInput.value = 4.50; milesPerGallonInput.value = 6.5; otherOperatingCostsPerMileInput.value = 0.50; fixedCostsPerPeriodInput.value = 1500; milesDrivenError.textContent = ""; revenuePerMileError.textContent = ""; fuelCostPerGallonError.textContent = ""; milesPerGallonError.textContent = ""; otherOperatingCostsPerMileError.textContent = ""; fixedCostsPerPeriodError.textContent = ""; calculateTruckerEarnings(); } function copyResults() { var resultText = "Trucker Calculator Results:\n\n"; resultText += "Net Profit: " + netProfitDisplay.textContent + "\n"; resultText += totalRevenueDisplay.textContent + "\n"; resultText += totalFuelCostDisplay.textContent + "\n"; resultText += totalOperatingCostsDisplay.textContent + "\n\n"; resultText += "Key Assumptions:\n"; resultText += "- Total Miles Driven: " + milesDrivenInput.value + "\n"; resultText += "- Revenue Per Mile: $" + revenuePerMileInput.value + "\n"; resultText += "- Fuel Cost Per Gallon: $" + fuelCostPerGallonInput.value + "\n"; resultText += "- Miles Per Gallon: " + milesPerGallonInput.value + "\n"; resultText += "- Other Operating Costs Per Mile: $" + otherOperatingCostsPerMileInput.value + "\n"; resultText += "- Fixed Costs Per Period: $" + fixedCostsPerPeriodInput.value + "\n"; navigator.clipboard.writeText(resultText).then(function() { alert("Results copied to clipboard!"); }).catch(function(err) { console.error("Failed to copy results: ", err); alert("Failed to copy results. Please copy manually."); }); } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { calculateTruckerEarnings(); // Add event listeners for real-time updates var inputs = [ milesDrivenInput, revenuePerMileInput, fuelCostPerGallonInput, milesPerGallonInput, otherOperatingCostsPerMileInput, fixedCostsPerPeriodInput ]; inputs.forEach(function(input) { input.addEventListener('input', calculateTruckerEarnings); }); }); // Basic Chart.js integration (assuming Chart.js library is available globally) // If not, a pure SVG or Canvas implementation would be needed. // For this example, we'll assume a simple canvas drawing if Chart.js is not present. // NOTE: In a real-world scenario, you'd include Chart.js via CDN or local file. // For this self-contained HTML, we'll simulate a basic chart if Chart.js isn't loaded. // Check if Chart.js is loaded, otherwise provide a fallback or error if (typeof Chart === 'undefined') { console.warn("Chart.js library not found. Chart will not be rendered."); // You could implement a fallback canvas drawing here if needed. }

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