California Tax Title License Calculator

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California Tax, Title, and License Calculator

Estimate the total cost of registering a vehicle in California. This calculator helps you understand the breakdown of sales tax, registration fees, county fees, and other common charges associated with vehicle ownership in the Golden State.

Enter the total price you paid for the vehicle.
New Used Select if the vehicle is new or used.
Gasoline/Diesel Electric (BEV) Hybrid (PHEV/HEV) Other (e.g., motorcycle, RV) Affects registration fees.
Your county's specific additional sales tax rate, if applicable. Leave blank or 0 if none.
Standard Plates Specialty Plates (e.g., personalized, environmental) Some specialty plates may have additional fees.
Standard fee for transferring ownership title.
Include any other known fees not covered.

Estimated Vehicle Costs

$0.00
Sales Tax: $0.00
Registration Fee: $0.00
County Fee: $0.00
Total Tax, Title & License: $0.00
How it's Calculated:

Sales Tax: (Vehicle Purchase Price) * (State Sales Tax Rate + County Surtax Rate)
Registration Fee: Base fee varies by vehicle type (gasoline/diesel, electric, hybrid).
County Fee: A fixed fee set by the county, usually small.
Title Fee: Standard fee for processing the title transfer.
Total Tax, Title & License: Sum of Sales Tax, Registration Fee, County Fee, Title Fee, and Other Fees.

Cost Breakdown by Category
Cost Component Estimated Amount Notes
Vehicle Purchase Price $0.00 Input value for the vehicle.
Sales Tax $0.00 Calculated based on purchase price and tax rates.
Registration Fee $0.00 Varies by vehicle type and emissions.
County Fee $0.00 Additional fee based on county residency.
Title Transfer Fee $0.00 Standard DMV fee.
Other Fees $0.00 User-inputted additional costs.
Total Estimated TTL Cost $0.00 Sum of all above components.

What is California Vehicle Tax, Title, and License (TTL)?

The California Tax, Title, and License (TTL) cost refers to the total amount of money you'll need to pay to the Department of Motor Vehicles (DMV) and state/local tax authorities when registering a vehicle in California. It's a mandatory expense that covers several components designed to fund state services, road maintenance, and vehicle administration. Understanding these costs upfront is crucial for budgeting, especially when purchasing a new or used car. This comprehensive calculator aims to provide a clear estimate for your California tax, title, and license expenses, helping you avoid surprises.

Who Should Use This Calculator?

Anyone purchasing or transferring ownership of a vehicle in California should use this calculator. This includes:

  • New car buyers
  • Used car buyers
  • Individuals receiving a vehicle as a gift or inheritance
  • Those moving to California with an out-of-state vehicle
  • Anyone looking to estimate the ongoing costs of vehicle ownership beyond just the purchase price.

Common Misconceptions about California TTL

  • "It's just a flat fee." This is incorrect. TTL costs are composed of multiple variable and fixed fees.
  • "Sales tax is the only major cost." While sales tax is significant, registration fees, county fees, and title fees can also add up considerably.
  • "The fees are the same everywhere in California." While base registration and state sales tax rates are uniform, county surtaxes and specific county fees can differ.
  • "It only applies when buying a car." While the largest component is at the point of sale/transfer, annual registration renewal fees are a form of ongoing license and tax. This calculator focuses on the initial purchase/transfer costs.

California Tax, Title, and License (TTL) Formula and Mathematical Explanation

Calculating the exact California tax, title, and license cost involves several steps and different fees. The primary components are sales tax, registration fees, county fees, and title fees. Here's a breakdown of the formula:

Core Calculation

Total Estimated TTL Cost = Sales Tax + Registration Fee + County Fee + Title Fee + Other Fees

Component Breakdown:

  • Sales Tax: This is calculated based on the vehicle's purchase price and the applicable sales tax rate in the buyer's locality. The statewide base sales tax rate is 7.25%, but it can increase with local and district taxes. For this calculator, we consider the base state rate plus any specified county surtax.
    Formula: Sales Tax = Vehicle Purchase Price * (State Sales Tax Rate + County Surtax Rate)
  • Registration Fee: This is a base fee for the privilege of operating a vehicle on public roads. The amount varies significantly based on the vehicle type (e.g., gasoline, electric, hybrid, motorcycle) and its gross vehicle weight (though this calculator simplifies it by vehicle type). Electric vehicles often have different fee structures.
    Note: The calculator uses simplified, typical base registration fees adjusted for common vehicle types.
  • County Fee: Some counties impose an additional fee (often referred to as the County Operations Assessment or COA) on top of the state registration fee to support local services. This is usually a small, fixed amount per vehicle.
    Note: This is often a fixed, low dollar amount, and the calculator uses a representative value.
  • Title Fee: This is a standard administrative fee charged by the DMV for processing the vehicle's title document, which signifies legal ownership.
    Formula: A fixed rate, typically around $20-$30.
  • Other Fees: This category can include fees for license plates (standard vs. specialty), smog certifications (if applicable and not handled separately), transfer fees for specific situations, etc. This calculator includes a field for miscellaneous additions.

Variables Used in Calculation

Below is a table detailing the variables involved in the California tax, title, and license calculation:

Variable Meaning Unit Typical Range / Value
Vehicle Purchase Price The amount paid for the vehicle before taxes and fees. USD ($) $1,000 – $100,000+
State Sales Tax Rate The base sales tax rate set by the State of California. Percentage (%) 7.25% (base)
County Surtax Rate Additional local sales tax rate imposed by some counties. Percentage (%) 0% – 2% (approx.)
Registration Fee Base fee for vehicle registration, varies by type. USD ($) $50 – $250+ (annualized, initial includes prorated portion)
County Fee Additional fee for county services. USD ($) $5 – $20 (approx.)
Title Fee DMV fee for processing the ownership title. USD ($) ~$20 – $30
Other Fees User-specified additional miscellaneous costs. USD ($) $0 – $500+

Practical Examples (Real-World Use Cases)

Let's look at a couple of scenarios to illustrate how the California tax, title, and license calculator works.

Example 1: Purchasing a New Gasoline Sedan

Scenario: Sarah is buying a brand new gasoline sedan for $30,000 in Los Angeles County, which has a combined state and local sales tax rate of 9.5%. She opts for standard plates.

  • Inputs:
    • Vehicle Purchase Price: $30,000
    • Vehicle Type: New
    • Fuel Type: Gasoline/Diesel
    • County Surtax Rate: 2.25% (9.5% – 7.25% base)
    • License Plate Type: Standard Plates
    • Title Transfer Fee: $25 (assumed)
    • Other Fees: $0
  • Calculation Steps (Simplified):
    • Sales Tax: $30,000 * 9.5% = $2,850
    • Registration Fee (New Gas): ~$120 (example base fee, may vary slightly)
    • County Fee: ~$20 (example LA County fee)
    • Title Fee: $25
    • Total TTL: $2,850 + $120 + $20 + $25 = $3,015
  • Calculator Output:
    • Primary Result: ~$3,015.00
    • Sales Tax: $2,850.00
    • Registration Fee: $120.00
    • County Fee: $20.00
    • Total Tax, Title & License: $3,015.00
  • Interpretation: Sarah should budget approximately $3,015 for the initial tax, title, and license fees on her new car, in addition to the purchase price.

Example 2: Buying a Used Electric Vehicle

Scenario: Mark is buying a used electric vehicle (EV) for $22,000 in San Francisco County. The combined sales tax rate there is 8.75%. He chooses specialty "Environmental" plates.

  • Inputs:
    • Vehicle Purchase Price: $22,000
    • Vehicle Type: Used
    • Fuel Type: Electric (BEV)
    • County Surtax Rate: 1.50% (8.75% – 7.25% base)
    • License Plate Type: Specialty Plates
    • Title Transfer Fee: $25 (assumed)
    • Other Fees: $50 (for specialty plates, example)
  • Calculation Steps (Simplified):
    • Sales Tax: $22,000 * 8.75% = $1,925
    • Registration Fee (Used EV): ~$200 (example, EVs can have higher base registration)
    • County Fee: ~$15 (example SF County fee)
    • Title Fee: $25
    • Other Fees: $50
    • Total TTL: $1,925 + $200 + $15 + $25 + $50 = $2,215
  • Calculator Output:
    • Primary Result: ~$2,215.00
    • Sales Tax: $1,925.00
    • Registration Fee: $200.00
    • County Fee: $15.00
    • Total Tax, Title & License: $2,215.00
  • Interpretation: Mark needs to prepare about $2,215 for the initial TTL costs for his used EV, including the extra charge for the specialty plates.

These examples highlight how the vehicle's price, type, fuel source, and your specific county influence the final California tax, title, and license bill.

How to Use This California Tax, Title, and License Calculator

Using our California tax, title, and license calculator is straightforward. Follow these simple steps to get your estimated costs:

  1. Enter Vehicle Purchase Price: Input the exact price you are paying for the vehicle. Be precise, as this is the base for sales tax calculation.
  2. Select Vehicle Type: Choose whether the vehicle is "New" or "Used". This can sometimes affect registration fees.
  3. Select Fuel Type: Indicate if the vehicle is gasoline/diesel, electric (BEV), hybrid, or something else. This significantly impacts the base registration fee.
  4. Enter County Surtax Rate: Find your county's specific sales tax rate. Subtract the base 7.25% state rate to get the surtax percentage. For example, if your county rate is 9.5%, enter 2.25. If you're unsure or there's no additional rate, leave it at 0.
  5. Choose License Plate Type: Select "Standard Plates" or "Specialty Plates". Specialty plates often incur an additional fee.
  6. Input Title Transfer Fee: While typically fixed, enter the known title fee. The calculator defaults to a common value.
  7. Add Other Miscellaneous Fees: Include any other known fees, such as unique plate fees or specific transfer costs, not covered by the other fields.
  8. Click "Calculate Costs": Press the button, and the calculator will instantly display your estimated total TTL cost and a breakdown of the individual components.

Reading the Results

The calculator provides:

  • Primary Highlighted Result: The total estimated Tax, Title, and License cost.
  • Intermediate Values: A detailed breakdown showing the estimated Sales Tax, Registration Fee, County Fee, and Total Tax, Title & License.
  • Results Table: A clear, tabular summary of all cost components.
  • Chart: A visual representation of the cost breakdown, making it easy to see which components contribute the most.

Decision-Making Guidance

Use these estimates to:

  • Budget accurately: Ensure you have sufficient funds set aside for these mandatory fees when finalizing your vehicle purchase.
  • Compare vehicles: Understand how different vehicle types (e.g., EV vs. gasoline) might have varying TTL costs.
  • Negotiate effectively: Be aware of all associated costs when discussing the final price with a dealer.
  • Plan for renewals: While this calculator focuses on initial costs, remember that registration fees are typically annual.

Key Factors That Affect California TTL Results

Several factors influence the final California tax, title, and license (TTL) costs. Understanding these can help you better predict your expenses:

  1. Vehicle Purchase Price: This is the most significant variable for sales tax. A higher purchase price directly results in higher sales tax paid. This applies to both new and used vehicles.
  2. Local Sales Tax Rate: California has a base state sales tax rate, but it's augmented by district taxes. These vary significantly by county and even city, impacting the total sales tax amount. Our calculator specifically asks for the *surtax* portion to accurately calculate this.
  3. Vehicle Type and Fuel Efficiency: The base registration fee is determined by the vehicle's type. Electric vehicles (EVs) and hybrids may have different registration fee structures compared to traditional gasoline or diesel vehicles. Newer, more fuel-efficient vehicles might also have different structures than older models.
  4. New vs. Used Status: While sales tax is based on the purchase price for both, sometimes registration fees or specific transfer scenarios might differ slightly for new versus used vehicles, particularly concerning emissions testing requirements or first-time registration in the state.
  5. County of Residence: Beyond the sales tax surtax, some counties impose additional fixed fees for vehicle registration to fund local programs or services. This calculator accounts for a general county fee.
  6. License Plate Choice: Standard license plates are included in the base fees. However, choosing specialty plates (e.g., personalized plates, plates supporting specific organizations or causes, environmental plates) often comes with an additional one-time or annual fee.
  7. Age and Value of the Vehicle (for specific fees): While not explicitly calculated here, extremely old or high-value vehicles might sometimes trigger different fee considerations or smog check exemptions/requirements, which indirectly affects the overall cost and process.

Frequently Asked Questions (FAQ)

What is the standard California sales tax rate for vehicles? The base statewide sales and use tax rate is 7.25%. However, this is augmented by local district taxes, bringing the combined rate to 7.25% up to 10.75% depending on the specific county and city. Our calculator uses the base rate plus your entered county surtax.
Are electric vehicles (EVs) cheaper to register in California? Not necessarily. While EVs may have certain perks like potential HOV lane access (with specific stickers), their base registration fees can sometimes be higher than comparable gasoline vehicles due to factors the DMV uses to determine fees. They also typically pay the same sales tax on purchase.
Do I pay sales tax if I buy a car out-of-state and bring it to California? Yes. If you purchase a vehicle outside of California and later bring it into the state for registration, you are generally required to pay California use tax (which is equivalent to sales tax) on the purchase price. You may receive credit for sales tax paid to another state, but you'll owe the difference if California's rate is higher.
How often do I pay registration fees? Vehicle registration fees in California are typically paid annually. The DMV will send you a renewal notice before your registration expires.
What is the difference between the Registration Fee and the County Fee? The Registration Fee is a statewide fee for the privilege of operating a vehicle on public roads, set by the DMV based on vehicle factors. The County Fee is an additional, smaller fee imposed by certain counties to support local services.
Does the calculator include annual renewal fees? No, this calculator is designed primarily for estimating the initial California tax, title, and license costs incurred when purchasing or transferring a vehicle. Annual renewal fees will differ and are not included here.
What if the vehicle is a gift? If a vehicle is gifted, you typically don't pay sales tax on the value if it's a true gift between family members (e.g., parent to child). However, you will still be responsible for the title transfer fee, registration fees, and any applicable county fees. Some specific forms need to be filled out with the DMV to document this.
How accurate is this calculator? This calculator provides a strong estimate based on standard California DMV fees and tax rates. However, actual costs can vary slightly due to specific county ordinances, recent DMV fee changes, unique vehicle circumstances, or how the dealer processes the paperwork. Always confirm final figures with the DMV or your dealership.

Related Tools and Internal Resources

Explore these resources to further understand vehicle costs and ownership in California:

var stateSalesTaxRate = 7.25; // Base state sales tax rate function formatCurrency(amount) { return "$" + amount.toFixed(2); } function validateInput(id, min, max, errorId) { var input = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(input.value); if (isNaN(value)) { input.classList.add("error"); errorElement.textContent = "Please enter a valid number."; errorElement.style.display = "block"; return false; } else if (value max) { input.classList.add("error"); errorElement.textContent = "Value is unusually high. Please double-check."; errorElement.style.display = "block"; return false; } else { input.classList.remove("error"); errorElement.textContent = ""; errorElement.style.display = "none"; return true; } } function getBaseRegistrationFee(fuelType) { var fees = { "gasoline": 119.00, // Example: Base registration fee for gasoline vehicle "electric": 191.00, // Example: Higher base fee for electric vehicles "hybrid": 134.00, // Example: Fee for hybrid vehicles "other": 100.00 // Example: Base for motorcycles, RVs etc. }; // Add a small adjustment for new vs used to simulate potential differences, though DMV primarily uses age/value for other specific fees var newVehicleAdjustment = (document.getElementById("isNewOrUsed").value === "new") ? 5 : 0; return (fees[fuelType] || fees["gasoline"]) + newVehicleAdjustment; } function getCountyFee() { // Based on common county operations assessments (COA) var countyFees = { "gasoline": 18.00, "electric": 18.00, "hybrid": 18.00, "other": 15.00 }; var selectedFuelType = document.getElementById("fuelType").value; return countyFees[selectedFuelType] || 18.00; } function calculateCosts() { // — Input Validation — var isValidVehicleValue = validateInput("vehicleValue", 0, 500000, "vehicleValueError"); var isValidCountySurtax = validateInput("countySurtax", 0, 10, "countySurtaxError"); // Max 10% surtax is very high, used for validation range var isValidTitleFee = validateInput("titleFee", 0, 100, "titleFeeError"); var isValidOtherFees = validateInput("otherFees", 0, 1000, "otherFeesError"); if (!isValidVehicleValue || !isValidCountySurtax || !isValidTitleFee || !isValidOtherFees) { document.getElementById("primary-result").textContent = "$0.00"; updateIntermediateResults(0, 0, 0, 0); updateTable(0,0,0,0,0,0,0); updateChart(0,0,0,0,0); return; } // — Get Input Values — var vehicleValue = parseFloat(document.getElementById("vehicleValue").value); var countySurtaxRate = parseFloat(document.getElementById("countySurtax").value); var titleFee = parseFloat(document.getElementById("titleFee").value); var otherFees = parseFloat(document.getElementById("otherFees").value); var fuelType = document.getElementById("fuelType").value; var plateType = document.getElementById("plateType").value; // — Calculations — var totalSalesTaxRate = stateSalesTaxRate + countySurtaxRate; var salesTax = vehicleValue * (totalSalesTaxRate / 100); var baseRegistrationFee = getBaseRegistrationFee(fuelType); var countyFee = getCountyFee(); // Using the function for county fee var specialtyPlateFee = (plateType === "specialty") ? 50 : 0; // Example fee for specialty plates var totalTTL = salesTax + baseRegistrationFee + countyFee + titleFee + specialtyPlateFee + otherFees; // — Update Results — document.getElementById("primary-result").textContent = formatCurrency(totalTTL); updateIntermediateResults(salesTax, baseRegistrationFee, countyFee, totalTTL); updateTable(vehicleValue, salesTax, baseRegistrationFee, countyFee, titleFee, specialtyPlateFee + otherFees, totalTTL); updateChart(salesTax, baseRegistrationFee, countyFee, titleFee, specialtyPlateFee + otherFees); } function updateIntermediateResults(salesTax, registrationFee, countyFee, totalTTL) { document.getElementById("salesTax").textContent = "Sales Tax: " + formatCurrency(salesTax); document.getElementById("registrationFee").textContent = "Registration Fee: " + formatCurrency(registrationFee); document.getElementById("countyFee").textContent = "County Fee: " + formatCurrency(countyFee); document.getElementById("totalTitleLicense").textContent = "Total Tax, Title & License: " + formatCurrency(totalTTL); } function updateTable(vehicleValue, salesTax, registrationFee, countyFee, titleFee, otherFeesCombined, totalTTL) { document.getElementById("tableVehiclePrice").textContent = formatCurrency(vehicleValue); document.getElementById("tableSalesTax").textContent = formatCurrency(salesTax); document.getElementById("tableRegistrationFee").textContent = formatCurrency(registrationFee); document.getElementById("tableCountyFee").textContent = formatCurrency(countyFee); document.getElementById("tableTitleFee").textContent = formatCurrency(titleFee); document.getElementById("tableOtherFees").textContent = formatCurrency(otherFeesCombined); document.getElementById("tableTotalTTL").textContent = formatCurrency(totalTTL); } function resetForm() { document.getElementById("vehicleValue").value = ""; document.getElementById("isNewOrUsed").value = "new"; document.getElementById("fuelType").value = "gasoline"; document.getElementById("countySurtax").value = ""; document.getElementById("plateType").value = "standard"; document.getElementById("titleFee").value = "20"; // Reset to a common default document.getElementById("otherFees").value = "0"; // Reset to default // Clear errors var errorElements = document.querySelectorAll(".error-message"); for (var i = 0; i < errorElements.length; i++) { errorElements[i].textContent = ""; errorElements[i].style.display = "none"; } var errorInputs = document.querySelectorAll(".error"); for (var i = 0; i < errorInputs.length; i++) { errorInputs[i].classList.remove("error"); } // Reset results and chart document.getElementById("primary-result").textContent = "$0.00"; updateIntermediateResults(0, 0, 0, 0); updateTable(0,0,0,0,0,0,0); updateChart(0,0,0,0,0); } function copyResults() { var primaryResult = document.getElementById("primary-result").textContent; var salesTax = document.getElementById("salesTax").textContent; var registrationFee = document.getElementById("registrationFee").textContent; var countyFee = document.getElementById("countyFee").textContent; var totalTTL = document.getElementById("totalTitleLicense").textContent; var vehicleValueInput = document.getElementById("vehicleValue").value; var countySurtaxInput = document.getElementById("countySurtax").value; var titleFeeInput = document.getElementById("titleFee").value; var otherFeesInput = document.getElementById("otherFees").value; var fuelType = document.getElementById("fuelType").options[document.getElementById("fuelType").selectedIndex].text; var plateType = document.getElementById("plateType").options[document.getElementById("plateType").selectedIndex].text; var assumptions = [ "Vehicle Purchase Price: " + (vehicleValueInput ? formatCurrency(parseFloat(vehicleValueInput)) : "N/A"), "County Surtax Rate: " + (countySurtaxInput ? countySurtaxInput + "%" : "N/A"), "Title Fee: " + (titleFeeInput ? formatCurrency(parseFloat(titleFeeInput)) : "N/A"), "Other Fees: " + (otherFeesInput ? formatCurrency(parseFloat(otherFeesInput)) : "N/A"), "Fuel Type: " + fuelType, "Plate Type: " + plateType, "State Sales Tax Rate (Base): " + stateSalesTaxRate + "%" ]; var copyText = "— California TTL Estimate —\n\n"; copyText += "Primary Result: " + primaryResult + "\n\n"; copyText += "Breakdown:\n"; copyText += salesTax + "\n"; copyText += registrationFee + "\n"; copyText += countyFee + "\n"; copyText += totalTTL + "\n\n"; copyText += "Key Assumptions:\n"; copyText += assumptions.join("\n"); navigator.clipboard.writeText(copyText).then(function() { // Optional: Provide user feedback (e.g., alert or toast message) console.log('Results copied successfully!'); var copyButton = document.querySelector('.copy-btn'); var originalText = copyButton.textContent; copyButton.textContent = 'Copied!'; setTimeout(function() { copyButton.textContent = originalText; }, 2000); }, function(err) { console.error('Failed to copy results: ', err); alert('Failed to copy results. Please try again.'); }); } // — Charting — var costBreakdownChart; var chartContext = document.getElementById('costBreakdownChart').getContext('2d'); function updateChart(salesTax, registrationFee, countyFee, titleFee, otherFees) { var chartData = { labels: ['Sales Tax', 'Registration Fee', 'County Fee', 'Title Fee', 'Other Fees'], datasets: [{ label: 'Cost Component', data: [salesTax, registrationFee, countyFee, titleFee, otherFees], backgroundColor: [ 'rgba(0, 74, 153, 0.7)', // Primary color for Sales Tax 'rgba(40, 167, 69, 0.7)', // Success color for Registration Fee 'rgba(108, 117, 125, 0.7)', // Gray for County Fee 'rgba(220, 53, 69, 0.7)', // Danger color for Title Fee 'rgba(255, 193, 7, 0.7)' // Warning color for Other Fees ], borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(40, 167, 69, 1)', 'rgba(108, 117, 125, 1)', 'rgba(220, 53, 69, 1)', 'rgba(255, 193, 7, 1)' ], borderWidth: 1 }] }; if (costBreakdownChart) { costBreakdownChart.destroy(); } costBreakdownChart = new Chart(chartContext, { type: 'pie', // Use 'pie' or 'doughnut' for breakdown data: chartData, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Vehicle TTL Cost Breakdown', color: 'var(–primary-color)', font: { size: 16 } } } } }); } // Initial calculation and chart rendering on page load document.addEventListener('DOMContentLoaded', function() { // Set initial default values and trigger calculation document.getElementById("titleFee").value = "20"; document.getElementById("otherFees").value = "0"; calculateCosts(); // Calculate with default values }); // Add event listeners to inputs to trigger calculation on change var inputs = document.querySelectorAll('.loan-calc-container input, .loan-calc-container select'); for (var i = 0; i < inputs.length; i++) { inputs[i].addEventListener('input', calculateCosts); inputs[i].addEventListener('change', calculateCosts); } // — Chart.js library inclusion — // Add the Chart.js library script tag dynamically if it's not already present // In a single HTML file setup, we'll assume it's included or embed it. // For simplicity here, assuming it might be available or needs manual inclusion via CDN. // If not using a CDN, the library code would need to be embedded here. // Example: // To ensure it runs, let's dynamically add it if not found. if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { // Recalculate or re-initialize chart after chart.js is loaded document.addEventListener('DOMContentLoaded', function() { calculateCosts(); }); }; document.head.appendChild(script); } else { // Chart.js is already available, just ensure calculation runs document.addEventListener('DOMContentLoaded', function() { calculateCosts(); }); }

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