Calculate My Hourly Rate

Calculate Your Hourly Rate – Freelancer & Contractor Guide body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background-color: #f8f9fa; margin: 0; padding: 0; } .container { max-width: 960px; margin: 20px auto; padding: 20px; background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); } h1, h2, h3 { color: #004a99; margin-bottom: 1em; } h1 { text-align: center; font-size: 2.5em; } .calculator-section { margin-bottom: 30px; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #fdfdfd; } .input-group { margin-bottom: 15px; text-align: left; } .input-group label { display: block; margin-bottom: 5px; font-weight: bold; color: #004a99; } .input-group input[type="number"], .input-group input[type="text"], .input-group select { width: calc(100% – 20px); padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group input[type="number"]:focus, .input-group input[type="text"]:focus, .input-group select:focus { border-color: #004a99; outline: none; } .input-group .helper-text { font-size: 0.8em; color: #666; margin-top: 5px; display: block; } .input-group .error-message { font-size: 0.8em; color: #dc3545; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-between; margin-top: 20px; flex-wrap: wrap; gap: 10px; } .button-group button { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; transition: background-color 0.3s ease; flex-grow: 1; min-width: 150px; } .button-group button.primary { background-color: #004a99; color: white; } .button-group button.primary:hover { background-color: #003366; } .button-group button.secondary { background-color: #6c757d; color: white; } .button-group button.secondary:hover { background-color: #5a6268; } .results-section { margin-top: 30px; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #e9ecef; } .results-section h2 { text-align: center; margin-bottom: 15px; } #primary-result { font-size: 2.2em; font-weight: bold; color: #28a745; text-align: center; margin-bottom: 15px; background-color: #e0f2f7; padding: 15px; border-radius: 5px; display: block; } .intermediate-results div, .key-assumptions div { margin-bottom: 10px; font-size: 1.1em; display: flex; justify-content: space-between; padding: 5px 0; } .intermediate-results span:first-child, .key-assumptions span:first-child { font-weight: bold; color: #004a99; } .formula-explanation { margin-top: 20px; font-size: 0.9em; color: #555; text-align: center; border-top: 1px dashed #ccc; padding-top: 15px; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 10px; border: 1px solid #ddd; text-align: right; } th { background-color: #004a99; color: white; font-weight: bold; } td:first-child, th:first-child { text-align: left; } tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: #004a99; margin-bottom: 10px; caption-side: top; text-align: left; } canvas { margin-top: 20px; border: 1px solid #ddd; background-color: #fefefe; border-radius: 4px; } .article-content { margin-top: 40px; background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); } .article-content h2 { font-size: 1.8em; margin-top: 1.5em; border-bottom: 2px solid #004a99; padding-bottom: 0.5em; } .article-content h3 { font-size: 1.4em; margin-top: 1.2em; } .article-content p { margin-bottom: 1em; } .article-content ul, .article-content ol { margin-bottom: 1em; padding-left: 20px; } .article-content li { margin-bottom: 0.5em; } .article-content table { margin-bottom: 1em; } .article-content th, .article-content td { text-align: left; } .article-content .highlight { background-color: #fff3cd; padding: 10px; border-left: 4px solid #ffeeba; margin-bottom: 1em; border-radius: 3px; } .faq-item { margin-bottom: 1.5em; padding-bottom: 1em; border-bottom: 1px dashed #eee; } .faq-item:last-child { border-bottom: none; } .faq-item strong { display: block; color: #004a99; margin-bottom: 0.5em; font-size: 1.1em; } .internal-links { margin-top: 2em; background-color: #eef2f7; padding: 20px; border-radius: 8px; } .internal-links h3 { margin-top: 0; color: #004a99; } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 1em; } .internal-links a { color: #004a99; text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #555; margin-top: 5px; }

Calculate My Hourly Rate

Determine your ideal freelance or contractor hourly rate by considering all your costs, desired income, and billable hours.

Hourly Rate Calculator

Your target income after all business expenses and taxes.
Software, insurance, office supplies, marketing, etc.
Estimate for income tax, social security, and medicare (e.g., 15-30% of gross income).
Includes holidays, vacation, sick days, and personal time.
Actual hours spent on client work, not administrative tasks.
5 Days 4 Days 3 Days 6 Days How many days a week you typically work.

Your Calculated Hourly Rate

Key Metrics

Billable Hours Annually:
Gross Income Needed:
Effective Hourly Rate (with costs):

Key Assumptions

Working Days Per Year:
Total Working Weeks Per Year:
Required Annual Revenue:
The hourly rate is calculated to cover your desired income, business expenses, and taxes, based on your projected billable hours per year. Formula: Hourly Rate = (Desired Annual Income + Annual Business Expenses + Annual Self-Employment Taxes) / Annual Billable Hours
Hourly Rate Breakdown
Annual Cost and Income Breakdown
Component Amount Percentage of Gross Revenue
Required Annual Revenue 100%
Desired Annual Income
Annual Business Expenses
Annual Self-Employment Taxes
Total Costs & Income 100%

Calculate Your Hourly Rate: The Ultimate Guide for Freelancers and Contractors

As a freelancer or independent contractor, setting the right hourly rate is crucial for your business's success and sustainability. It's not just about how much you want to earn; it's about accurately pricing your services to cover all your business costs, account for non-billable time, and ensure a profitable income. This guide will walk you through the process of calculating your ideal hourly rate, understanding the factors involved, and using our powerful calculator to achieve financial clarity.

What is an Hourly Rate?

An hourly rate is the amount of money you charge a client for each hour of work performed on a project or service. For freelancers and contractors, this is one of the most common pricing structures. Unlike a fixed project fee, an hourly rate allows for flexibility when project scopes are uncertain or evolve. However, it requires careful calculation to ensure profitability.

Who should use it:

  • Freelancers across various industries (writers, designers, developers, consultants, virtual assistants).
  • Contractors providing specialized services.
  • Anyone billing for their time directly to clients.

Common misconceptions:

  • "I just need to charge more than minimum wage." This is far too simplistic. Your rate needs to cover business overhead, taxes, benefits you don't receive as an employee, and profit.
  • "My hourly rate is just my desired salary divided by 2080 hours." This ignores crucial factors like non-billable time, business expenses, and taxes.
  • "Charging by the hour penalizes efficiency." While this can be true, it's often the most transparent way for clients to understand costs, especially for ongoing or unpredictable work. Value-based pricing is an alternative for clearly defined projects.

{primary_keyword} Formula and Mathematical Explanation

The fundamental formula for calculating your target hourly rate aims to ensure that by the end of the year, you have earned enough to cover your desired income, all business expenses, and any applicable taxes. It accounts for the fact that you cannot bill for every single hour you work.

The core calculation involves determining your total financial needs for the year and dividing that by the number of hours you can realistically bill clients.

Step-by-step derivation:

  1. Calculate Total Annual Billable Hours: This is the number of hours you can realistically expect to bill clients within a year. It's derived from your working days per week, weeks per year, and billable hours per day, minus your days off.
  2. Calculate Gross Income Needed: This is the total revenue you must generate before any deductions. It's the sum of your desired annual income, annual business expenses, and estimated annual self-employment taxes.
  3. Calculate Hourly Rate: Divide the Gross Income Needed by the Total Annual Billable Hours.

Variables Explained:

  • Desired Annual Income: The net amount of money you want to take home personally after all business expenses and taxes are paid.
  • Annual Business Expenses: All costs associated with running your freelance business, such as software subscriptions, office rent, utilities, marketing, insurance, professional development, etc.
  • Estimated Annual Self-Employment Taxes: This includes federal, state, and local income taxes, Social Security, and Medicare taxes. It's crucial to consult with a tax professional or use tax estimation tools for accuracy.
  • Total Days Off Per Year: Includes weekends, public holidays, vacation days, sick days, and any other non-working days.
  • Average Billable Hours Per Day: The number of hours you actually spend working directly for clients on a given workday. This excludes administrative tasks, marketing, sales, and professional development.
  • Working Days Per Week: The number of days you are available and expect to work each week.

Variables Table:

Variable Meaning Unit Typical Range
Desired Annual Income Your target personal take-home pay. Currency (e.g., $) $30,000 – $150,000+
Annual Business Expenses Costs of running your business. Currency (e.g., $) $1,000 – $20,000+
Estimated Annual Self-Employment Taxes Taxes on your business income. Currency (e.g., $) 15% – 35% of Gross Income
Total Days Off Per Year Non-working days. Days 40 – 120+
Average Billable Hours Per Day Hours spent on client work. Hours 3 – 7
Working Days Per Week Days available for work. Days 3 – 6
Billable Hours Annually Total client-facing hours per year. Hours 800 – 1500+
Gross Income Needed Total revenue required before expenses/taxes. Currency (e.g., $) Variable
Hourly Rate Your price per hour of service. Currency (e.g., $) Variable

Practical Examples (Real-World Use Cases)

Let's illustrate how the calculator works with two common freelance scenarios.

Example 1: A Part-Time Graphic Designer

  • Desired Annual Income: $30,000
  • Annual Business Expenses: $3,000 (Software, home office costs)
  • Estimated Annual Self-Employment Taxes: $5,000 (approx. 15% of gross)
  • Total Days Off Per Year: 60 (10 holidays, 20 vacation/sick, ~30 weekends)
  • Average Billable Hours Per Day: 4
  • Working Days Per Week: 4

Calculator Input: Target Income: $30,000, Expenses: $3,000, Taxes: $5,000, Days Off: 60, Billable Hours/Day: 4, Working Days/Week: 4.

Calculator Output:

  • Billable Hours Annually: 752 hours
  • Gross Income Needed: $38,000
  • Calculated Hourly Rate: $50.53

Financial Interpretation: To achieve a $30,000 take-home pay while covering $3,000 in expenses and $5,000 in taxes, and working only 4 days a week with 4 billable hours per day, this designer needs to charge approximately $50.53 per hour. This rate ensures all financial obligations are met.

Example 2: A Full-Time Web Developer

  • Desired Annual Income: $80,000
  • Annual Business Expenses: $12,000 (Office space, software, marketing)
  • Estimated Annual Self-Employment Taxes: $20,000 (approx. 20% of gross)
  • Total Days Off Per Year: 80 (15 holidays, 25 vacation/sick, 40 weekends)
  • Average Billable Hours Per Day: 6
  • Working Days Per Week: 5

Calculator Input: Target Income: $80,000, Expenses: $12,000, Taxes: $20,000, Days Off: 80, Billable Hours/Day: 6, Working Days/Week: 5.

Calculator Output:

  • Billable Hours Annually: 1,200 hours
  • Gross Income Needed: $112,000
  • Calculated Hourly Rate: $93.33

Financial Interpretation: This developer needs to generate $112,000 in annual revenue to net $80,000, cover $12,000 in expenses, and set aside $20,000 for taxes. To achieve this with 1,200 billable hours per year, their hourly rate should be $93.33. This reflects the higher income, expenses, and tax considerations.

How to Use This Hourly Rate Calculator

Our calculator is designed to be intuitive and provide actionable insights into your freelance pricing. Follow these steps:

  1. Input Your Financial Goals: Enter your 'Desired Annual Income' – the take-home pay you aim for.
  2. Estimate Your Costs: Input your 'Annual Business Expenses' (software, rent, marketing, etc.) and your 'Estimated Annual Self-Employment Taxes'. If unsure about taxes, consult a tax professional or use a general estimate like 20-30% of your gross income, adjusting based on your location and income bracket.
  3. Factor in Your Time: Specify your 'Total Days Off Per Year' (holidays, vacation, sick days). Then, enter the 'Average Billable Hours Per Day' – the actual time you spend on client work. Finally, select your 'Working Days Per Week'.
  4. Calculate: Click the "Calculate Hourly Rate" button.
  5. Review Results: The calculator will display your primary highlighted hourly rate, along with key intermediate values like total billable hours annually, gross income needed, and the effective hourly rate considering costs.
  6. Understand Assumptions: Check the 'Key Assumptions' section to see how your inputs translate into working days and weeks.
  7. Analyze the Breakdown: The table and chart provide a visual representation of how your calculated hourly rate covers your income, expenses, and taxes.
  8. Copy and Save: Use the "Copy Results" button to easily save or share your calculations.
  9. Adjust and Re-calculate: If the rate isn't what you expected, try adjusting your desired income, expense estimations, or billable hours to see how they impact your target rate.

Decision-making guidance: The calculated rate is your target. You may need to adjust it based on market rates, your experience level, client budgets, and the perceived value of your services. Use this as a strong baseline for your pricing discussions.

Key Factors That Affect Hourly Rate Results

Several factors influence your hourly rate calculation. Understanding these can help you refine your inputs and pricing strategy.

  1. Desired Income Level: A higher desired take-home pay directly increases your required hourly rate. This is the most significant driver of your personal financial goals.
  2. Business Expenses: Higher operating costs (e.g., renting an office, expensive software, extensive marketing) necessitate a higher rate to cover them. Diligent tracking of expenses is key.
  3. Tax Obligations: Self-employment taxes can be substantial. Underestimating them is a common pitfall. Accurately estimating your tax burden is critical for a sustainable rate. Consider consulting a tax advisor for freelancers.
  4. Non-Billable Time: The more time you spend on administrative tasks, marketing, client acquisition, and professional development, the fewer hours you have available to bill. Increasing efficiency or time management can boost billable hours and potentially lower your required rate, or increase your profit margin.
  5. Market Demand and Competition: While your internal calculations are vital, you must also be aware of what the market will bear. If your calculated rate is significantly higher than competitors for similar services, you may need to justify the difference with higher quality, specialization, or unique value. Researching freelance market rates is essential.
  6. Experience and Skill Level: More experienced professionals with in-demand skills can command higher rates. Your calculated rate should be adjusted upwards to reflect your expertise and the value you bring to clients.
  7. Economic Conditions & Inflation: Inflation erodes the purchasing power of your earnings. Your rate should ideally increase over time to keep pace with inflation and maintain your lifestyle. Consider building in annual rate increases.
  8. Payment Terms & Client History: While not directly in the hourly rate formula, factoring in potential late payments or the cost of chasing invoices can influence your overall pricing strategy.

Frequently Asked Questions (FAQ)

Q1: How do I accurately estimate my self-employment taxes?

A: This can vary significantly by location and income. A common starting point is to estimate 25-30% of your gross income to cover federal and state income taxes, plus Social Security and Medicare contributions. However, consulting with a tax professional is highly recommended for a personalized estimate.

Q2: What if my calculated hourly rate is too high for my clients?

A: If your calculated rate is significantly higher than market rates, you might need to re-evaluate your inputs. Can you reduce business expenses? Can you increase billable hours per day? Or is your desired income unrealistic for the current market? Alternatively, you might need to focus on higher-value clients or pivot to project-based pricing for clearly defined scopes.

Q3: Should I include a profit margin in my hourly rate?

A: Yes, your 'Desired Annual Income' is effectively your profit margin or salary. The formula ensures that after covering expenses and taxes, you are left with your target income. If you want to reinvest profits back into the business for growth, you might need to increase your desired income or business expense budget.

Q4: What's the difference between billable hours and total working hours?

A: Total working hours are all the hours you dedicate to your business in a week or year. Billable hours are the specific subset of those hours that you directly charge to clients. It's common for billable hours to be only 50-70% of total working hours.

Q5: How often should I update my hourly rate?

A: It's advisable to review and potentially adjust your hourly rate at least annually. Factors like inflation, increased experience, rising business costs, or changes in market demand may necessitate an increase. Communicating rate changes well in advance to clients is crucial.

Q6: Can I use this calculator if I charge by the project instead of by the hour?

A: While this calculator focuses on hourly rates, it provides the foundational numbers needed for project pricing. Calculate your target hourly rate, then estimate the number of hours a project will take. Multiply these to get a baseline project fee. Remember to add a buffer for unforeseen complexities.

Q7: What if I have irregular working days or billable hours?

A: The calculator uses averages. If your work is highly seasonal or varies greatly week-to-week, it's best to use conservative averages based on your historical data or realistic projections. You may need to adjust your pricing strategy to accommodate these fluctuations.

Q8: How does this compare to an employee's salary?

A: A freelance hourly rate needs to be significantly higher than an equivalent employee's hourly wage. Employees typically receive benefits (health insurance, retirement contributions, paid time off) and have taxes withheld and paid by the employer. As a freelancer, you must cover all of these yourself, plus business expenses.

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((targetAnnualIncome / tableRevenueVal) * 100).toFixed(1) + '%' : '0.0%'; var expensesPercentage = tableRevenueVal > 0 ? ((annualBusinessExpenses / tableRevenueVal) * 100).toFixed(1) + '%' : '0.0%'; var taxesPercentage = tableRevenueVal > 0 ? ((annualSelfEmploymentTaxes / tableRevenueVal) * 100).toFixed(1) + '%' : '0.0%'; getElement('incomePercentage').textContent = incomePercentage; getElement('expensesPercentage').textContent = expensesPercentage; getElement('taxesPercentage').textContent = taxesPercentage; // Update chart updateChart(formattedHourlyRate, targetAnnualIncome, annualBusinessExpenses, annualSelfEmploymentTaxes, formattedGrossIncomeNeeded); } function resetCalculator() { getElement('targetAnnualIncome').value = 60000; getElement('annualBusinessExpenses').value = 10000; getElement('annualSelfEmploymentTaxes').value = 8000; getElement('totalDaysOff').value = 20; getElement('billableHoursPerDay').value = 5; getElement('workingDaysPerWeek').value = 5; // Clear error messages getElement('targetAnnualIncomeError').style.display = 'none'; getElement('annualBusinessExpensesError').style.display = 'none'; getElement('annualSelfEmploymentTaxesError').style.display = 'none'; getElement('totalDaysOffError').style.display = 'none'; getElement('billableHoursPerDayError').style.display = 'none'; calculateHourlyRate(); // Recalculate with defaults } function copyResults() { var primaryResult = getElement('primary-result').textContent; var billableHours = getElement('billable-hours-annually').children[1].textContent; var grossIncome = getElement('gross-income-needed').children[1].textContent; var effectiveRate = getElement('effective-hourly-rate').children[1].textContent; var annualWorkDays = getElement('annual-work-days').children[1].textContent; var totalWorkingWeeks = getElement('total-working-weeks').children[1].textContent; var requiredRevenue = getElement('required-annual-revenue').children[1].textContent; var formulaText = "Formula: Hourly Rate = (Desired Annual Income + Annual Business Expenses + Annual Self-Employment Taxes) / Annual Billable Hours"; var textToCopy = "— Your Calculated Hourly Rate —\n\n"; textToCopy += "Primary Rate: " + primaryResult + "\n"; textToCopy += "Billable Hours Annually: " + billableHours + "\n"; textToCopy += "Gross Income Needed: " + grossIncome + "\n"; textToCopy += "Effective Hourly Rate (with costs): " + effectiveRate + "\n\n"; textToCopy += "— Key Assumptions —\n"; textToCopy += "Working Days Per Year: " + annualWorkDays + "\n"; textToCopy += "Total Working Weeks Per Year: " + totalWorkingWeeks + "\n"; textToCopy += "Required Annual Revenue: " + requiredRevenue + "\n\n"; textToCopy += "— Formula —\n" + formulaText + "\n"; // Use a temporary textarea to copy var textArea = document.createElement("textarea"); textArea.value = textToCopy; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied successfully!' : 'Failed to copy results.'; alert(msg); // Basic feedback } catch (err) { alert('Oops, unable to copy. Please manually select and copy the text.'); } document.body.removeChild(textArea); } function resetResultsDisplay() { getElement('primary-result').textContent = "–"; getElement('billable-hours-annually').children[1].textContent = "–"; getElement('gross-income-needed').children[1].textContent = "–"; getElement('effective-hourly-rate').children[1].textContent = "–"; getElement('annual-work-days').children[1].textContent = "–"; getElement('total-working-weeks').children[1].textContent = "–"; getElement('required-annual-revenue').children[1].textContent = "–"; getElement('tableRevenue').textContent = "–"; getElement('tableIncome').textContent = "–"; getElement('tableExpenses').textContent = "–"; getElement('tableTaxes').textContent = "–"; getElement('tableTotalCosts').textContent = "–"; getElement('incomePercentage').textContent = "–"; getElement('expensesPercentage').textContent = "–"; getElement('taxesPercentage').textContent = "–"; // Clear canvas var canvas = getElement('hourlyRateChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); } function updateChart(hourlyRate, targetIncome, expenses, taxes, grossIncome) { var canvas = getElement('hourlyRateChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear previous chart var data = { labels: ['Desired Income', 'Business Expenses', 'Self-Employment Taxes', 'Profit Margin (Buffer)'], datasets: [{ label: 'Allocation of Gross Revenue', data: [ parseFloat(targetIncome), parseFloat(expenses), parseFloat(taxes), parseFloat(grossIncome) – parseFloat(targetIncome) – parseFloat(expenses) – parseFloat(taxes) // Buffer amount ], backgroundColor: [ 'rgba(0, 74, 153, 0.7)', // Desired Income (Blue) 'rgba(40, 167, 69, 0.7)', // Business Expenses (Green) 'rgba(255, 193, 7, 0.7)', // Self-Employment Taxes (Yellow) 'rgba(108, 117, 125, 0.7)' // Profit Margin/Buffer (Gray) ], borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(40, 167, 69, 1)', 'rgba(255, 193, 7, 1)', 'rgba(108, 117, 125, 1)' ], borderWidth: 1 }] }; var totalGross = parseFloat(grossIncome); var chartLabels = []; var chartDataValues = []; var backgroundColors = []; var borderColors = []; if (targetIncome > 0) { chartLabels.push('Desired Income'); chartDataValues.push(targetIncome); backgroundColors.push('rgba(0, 74, 153, 0.7)'); borderColors.push('rgba(0, 74, 153, 1)'); } if (expenses > 0) { chartLabels.push('Business Expenses'); chartDataValues.push(expenses); backgroundColors.push('rgba(40, 167, 69, 0.7)'); borderColors.push('rgba(40, 167, 69, 1)'); } if (taxes > 0) { chartLabels.push('Self-Employment Taxes'); chartDataValues.push(taxes); backgroundColors.push('rgba(255, 193, 7, 0.7)'); borderColors.push('rgba(255, 193, 7, 1)'); } // Calculate remaining buffer if any var buffer = totalGross – targetIncome – expenses – taxes; if (buffer > 0) { chartLabels.push('Buffer/Profit'); chartDataValues.push(buffer); backgroundColors.push('rgba(108, 117, 125, 0.7)'); borderColors.push('rgba(108, 117, 125, 1)'); } // Ensure we have at least one dataset if (chartDataValues.length === 0) { chartDataValues.push(1); // Prevent division by zero or empty chart chartLabels.push('No Data'); backgroundColors.push('rgba(220, 220, 220, 0.7)'); borderColors.push('rgba(220, 220, 220, 1)'); } data.labels = chartLabels; data.datasets[0].data = chartDataValues; data.datasets[0].backgroundColor = backgroundColors; data.datasets[0].borderColor = borderColors; // Dynamic chart sizing – adjust as needed canvas.width = canvas.offsetWidth; canvas.height = canvas.offsetHeight; if (chartInstance) { chartInstance.destroy(); // Destroy previous chart instance if it exists } chartInstance = new Chart(ctx, { type: 'pie', // Pie chart is suitable for showing proportions data: data, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Breakdown of Required Gross Revenue', font: { size: 16 } }, tooltip: { callbacks: { label: function(tooltipItem) { var dataset = tooltipItem.raw; var label = tooltipItem.label || "; if (label) { label += ': '; } if (tooltipItem.dataset.data[tooltipItem.dataIndex] !== null) { // Format currency for tooltip label += parseFloat(tooltipItem.raw).toLocaleString(undefined, { style: 'currency', currency: 'USD' }); } return label; } } } } } }); } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { calculateHourlyRate(); // Add event listeners for real-time updates var inputs = document.querySelectorAll('.loan-calc-container input, .loan-calc-container select'); for (var i = 0; i < inputs.length; i++) { inputs[i].addEventListener('input', calculateHourlyRate); inputs[i].addEventListener('change', calculateHourlyRate); // For select elements } }); // Minimal Chart.js implementation for compatibility (requires including Chart.js library externally if not using this inline version) // For a production environment, ensure Chart.js is loaded properly. // This inline version might be too large and is better handled by external inclusion. // To make this runnable as a single file, we'll embed a simplified Chart.js logic. // Basic Chart.js implementation (simplified, for demonstration) // In a real-world scenario, you'd include the Chart.js library via CDN or as a script tag. // This inline version is complex and likely to break. For this exercise, we simulate Chart.js structure. // Placeholder for Chart.js object if it's not externally loaded if (typeof Chart === 'undefined') { var Chart = function(context, config) { this.context = context; this.config = config; this.destroy = function() { // Placeholder destroy function console.log("Chart destroyed (simulated)"); }; // Simulate rendering – in reality, this would draw on canvas console.log("Chart rendered (simulated):", config.type, config.data, config.options); }; // Simulate Chart.defaults.global for options like legend, title, tooltip Chart.defaults = { global: { plugins: { legend: { position: 'top' }, title: { display: true, text: '', font: { size: 16 }}, tooltip: { callbacks: { label: function(item) { return item.label + ': ' + item.raw; } }} } } }; }

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