Ugma Calculator

UGMA Calculator: Calculate Your Uniform Gifts to Minors Act Assets :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-bg: #ffffff; –shadow: 0 2px 4px rgba(0,0,0,.1); –border-radius: 8px; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; } .container { width: 100%; max-width: 1000px; margin: 20px auto; padding: 20px; box-sizing: border-box; } header { background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; width: 100%; } header h1 { margin: 0; font-size: 2.5em; } main { background-color: var(–card-bg); padding: 30px; border-radius: var(–border-radius); box-shadow: var(–shadow); margin-top: 20px; width: 100%; box-sizing: border-box; } h2, h3 { color: var(–primary-color); margin-bottom: 15px; 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UGMA Calculator

Estimate your child's Uniform Gifts to Minors Act account growth.

UGMA Account Estimator

The starting amount in the UGMA account.
The total amount added to the account each year.
Expected average annual return on investments (e.g., 7% for stocks).
How long until the beneficiary can access the funds (e.g., age 18 or 21).
Amount withdrawn each year from the account (use 0 if no withdrawals during this calculation period).

Estimated UGMA Account Value

End Balance After Specified Years
Total Contributions
Total Growth
Value Before Withdrawals
Formula: FV = PV(1+r)^n + C * [((1+r)^n – 1)/r] – W * [((1+r)^n – 1)/r] * (1+r) (simplified for annual compounding and withdrawals at end of period)
UGMA Account Growth Over Time
Total Contributions
Investment Growth
Total Balance
UGMA Account Projection Table
Year Beginning Balance Contributions Growth Withdrawals Ending Balance

Understanding the UGMA Calculator

What is a UGMA Account?

A UGMA (Uniform Gifts to Minors Act) account is a custodial account established for the benefit of a minor. It allows adults, such as parents or grandparents, to transfer assets to a child without the need for a formal trust. The assets in a UGMA account are legally owned by the minor but managed by a custodian (typically an adult) until the minor reaches the age of majority, which varies by state but is commonly 18 or 21.

Who should use the UGMA calculator? Anyone considering or actively contributing to a UGMA account can benefit from this calculator. This includes parents planning for their child's future education, potential down payment on a home, or simply to provide a financial head start. Grandparents, other relatives, or friends looking to gift significant sums to a child can also use it to project the potential growth of these gifts.

Common Misconceptions about UGMA Accounts:

  • Misconception: UGMA funds can only be used for education. Reality: UGMA funds can be used for any expense that benefits the minor, including education, healthcare, clothing, travel, and even a down payment on a car once they are of legal driving age.
  • Misconception: The custodian can take the money for their own use. Reality: All assets in a UGMA account must be used for the sole benefit of the minor. Misappropriation can lead to legal repercussions.
  • Misconception: UGMA accounts are the same as 529 plans. Reality: While both are for a minor's benefit, 529 plans are specifically for education expenses and offer different tax advantages and contribution limits. UGMA accounts are more flexible in terms of asset use but have different tax implications and can affect financial aid eligibility.

UGMA Calculator Formula and Mathematical Explanation

The UGMA calculator estimates the future value of an account considering initial deposits, regular contributions, estimated investment growth, and potential withdrawals. The core calculation is based on compound interest principles, with adjustments for ongoing contributions and withdrawals.

The primary formula used for calculating the future value (FV) of a UGMA account, considering compound interest, periodic contributions, and withdrawals, can be complex. A simplified version, assuming annual compounding and end-of-year contributions/withdrawals, is often used for estimation:

Future Value = [Initial Deposit * (1 + r)^n] + [Annual Contributions * (((1 + r)^n – 1) / r)] – [Annual Withdrawals * (((1 + r)^n – 1) / r) * (1 + r)]

Let's break down the components:

  • Present Value (PV) / Initial Deposit: The lump sum amount initially placed into the UGMA account.
  • Annual Contributions (C): The fixed amount added to the account each year.
  • Annual Withdrawals (W): The fixed amount taken out of the account each year, typically after the beneficiary reaches a certain age or milestone.
  • Estimated Annual Growth Rate (r): The average annual percentage return expected from the investments within the UGMA account. This is expressed as a decimal (e.g., 7% becomes 0.07).
  • Number of Years (n): The total time period for which the growth is being calculated.

Variable Breakdown:

Variable Meaning Unit Typical Range
Initial Deposit (PV) Starting balance of the UGMA account. Currency (e.g., $) $0 to $10,000+
Annual Contributions (C) Amount added yearly. Currency (e.g., $) $0 to $5,000+
Annual Withdrawals (W) Amount withdrawn yearly from the grown balance. Currency (e.g., $) $0 to $2,000+
Estimated Annual Growth Rate (r) Average yearly return on investments. Percentage (%) 1% to 12% (depends heavily on asset allocation)
Number of Years (n) Duration of the investment period. Years 1 to 21+
Future Value (FV) Projected total balance at the end of the period. Currency (e.g., $) Calculated
Total Contributions Sum of initial deposit and all annual contributions. Currency (e.g., $) Calculated
Total Growth Total earnings from investments. Currency (e.g., $) Calculated

Practical Examples (Real-World Use Cases)

Example 1: Saving for a Child's Future Education

A couple, Sarah and Mark, want to start saving for their newborn daughter's college education. They open a UGMA account and make an initial deposit of $5,000. They plan to contribute $1,000 annually for the next 18 years. They anticipate an average annual growth rate of 8% from a diversified investment portfolio within the UGMA. They are not planning any withdrawals during this growth phase.

Inputs:

  • Initial Deposit: $5,000
  • Annual Contributions: $1,000
  • Estimated Annual Growth Rate: 8%
  • Number of Years to Grow: 18
  • Annual Withdrawals: $0

Calculator Output (estimated):

  • Primary Result (End Balance): ~$58,900
  • Total Contributions: $23,000 ($5,000 initial + $1,000 * 18 years)
  • Total Growth: ~$35,900
  • Value Before Withdrawals: ~$58,900

Financial Interpretation: The UGMA calculator shows that their consistent savings and investment growth could result in a substantial sum of nearly $59,000 by the time their daughter is 18, significantly aiding her college expenses. This highlights the power of compounding over long periods.

Example 2: Gifting to a Niece with Potential Future Use

An uncle, David, wants to gift his 10-year-old niece, Emily, a sum for her future. He deposits $10,000 into a UGMA account. He expects a slightly more conservative growth rate of 6% annually, considering a mix of bonds and stocks. He plans to let it grow until Emily turns 21 (11 years from now). At age 21, he anticipates she might withdraw $2,000 per year for the next 3 years to help with a car purchase or graduate school.

Inputs:

  • Initial Deposit: $10,000
  • Annual Contributions: $0
  • Estimated Annual Growth Rate: 6%
  • Number of Years to Grow: 11
  • Annual Withdrawals: $2,000 (for years 12, 13, 14)

Calculator Output (estimated):

  • Primary Result (End Balance after withdrawals): ~$21,400
  • Total Contributions: $10,000
  • Total Growth: ~$19,500 (cumulative growth less withdrawals)
  • Value Before Withdrawals (at year 11): ~$29,400

Financial Interpretation: The calculator demonstrates that the initial $10,000 could grow to over $29,000 in 11 years. After subsequent planned withdrawals, the remaining balance would be around $21,400. This shows how strategic withdrawals can impact the final amount while still providing a significant financial benefit. This is a great example of using a UGMA calculator for long-term gifting.

How to Use This UGMA Calculator

Using the UGMA Calculator is straightforward. Follow these steps to estimate your child's account growth:

  1. Enter Initial Deposit: Input the starting amount you are placing into the UGMA account. If none, enter 0.
  2. Enter Annual Contributions: Specify the total amount you plan to add to the account each year. If you only plan a one-time gift, set this to 0.
  3. Set Estimated Growth Rate: Input the expected average annual percentage return your investments are projected to earn. This is a crucial assumption and can vary significantly based on your investment choices.
  4. Specify Years to Grow: Enter the number of years you want the account to grow before the beneficiary can access it (e.g., until age 18 or 21).
  5. Input Annual Withdrawals: If you anticipate withdrawals during the period calculated (e.g., if calculating beyond the age of majority), enter the annual amount. If you're only calculating growth up to a certain age, leave this at 0.
  6. Click 'Calculate': Press the calculate button to see the projected results.

How to Read Results:

  • Primary Result (End Balance): This is the estimated total value of the UGMA account after the specified number of years, accounting for contributions, growth, and any withdrawals.
  • Total Contributions: The sum of your initial deposit and all planned annual contributions over the period.
  • Total Growth: The estimated earnings generated by your investments within the account.
  • Value Before Withdrawals: The projected balance just before any annual withdrawals begin, useful for understanding the peak accumulation.
  • Table and Chart: These provide a year-by-year breakdown and visual representation of the account's growth trajectory, contributions, and the impact of withdrawals.

Decision-Making Guidance: Use the results to understand the potential impact of different contribution levels and growth rates. If the projected amount is less than your financial goals (e.g., for college tuition), consider increasing annual contributions, adjusting your investment strategy for potentially higher growth (understanding increased risk), or extending the growth period if feasible. Conversely, if the projected amount exceeds your needs, you might consider alternative savings vehicles or reducing contributions. Always consult with a financial advisor for personalized advice. This UGMA calculator is a tool for estimation, not a guarantee.

Key Factors That Affect UGMA Results

Several factors significantly influence the final outcome of a UGMA account. Understanding these can help in making more informed decisions:

  • Investment Selection and Risk Tolerance: The assets chosen within the UGMA account are paramount. Higher-growth potential investments (like stocks) typically come with higher risk and volatility, while lower-risk options (like bonds or cash equivalents) offer more stability but lower returns. Your comfort level with risk directly influences the potential growth rate. A UGMA calculator can model different growth rates based on these choices.
  • Time Horizon: The longer the money has to grow, the more powerful the effect of compounding. A longer time horizon allows for recovery from market downturns and maximizes the potential for exponential growth. This is why starting early is often recommended for long-term goals.
  • Contribution Consistency and Amount: Regular, consistent contributions, even small ones, combined with the power of compounding, can dramatically increase the final account balance. The frequency and amount of contributions directly add to the principal that earns returns.
  • Market Performance: Actual investment returns rarely match exact estimates. Market fluctuations, economic cycles, and geopolitical events can cause actual growth rates to deviate significantly from the projected rate used in any UGMA calculator. The calculator uses an *average* expectation.
  • Fees and Expenses: Investment management fees, transaction costs, and account administration fees can erode investment returns over time. High fees can significantly reduce the net growth experienced by the UGMA account, making it crucial to be aware of and minimize them.
  • Inflation: While the calculator projects nominal growth, the *real* purchasing power of the money in the future will be affected by inflation. A $50,000 balance in 18 years might buy less than $50,000 does today. This is an important consideration when setting financial goals.
  • Tax Implications: While UGMA contributions are made with after-tax dollars, the earnings within the account may be subject to taxes. The "kiddie tax" rules can apply, meaning some earnings might be taxed at the parents' higher tax rate. Understanding these tax rules is vital for maximizing the net benefit to the child.
  • Withdrawal Strategy: If withdrawals are planned, the timing and amount can affect the longevity of the funds and the total growth achieved. Taking out funds too early or too frequently can deplete the principal and forgo future compounding.

Frequently Asked Questions (FAQ)

Q1: What is the age of majority for UGMA accounts?
A: The age of majority varies by state, typically ranging from 18 to 21 years old. Once the beneficiary reaches this age, they gain full control of the account assets.
Q2: Can UGMA funds be used for anything?
A: UGMA funds must be used for the sole benefit of the minor. This includes necessities, education, vocational training, healthcare, and reasonable support and maintenance. They cannot be used for expenses the parent or guardian is already legally obligated to provide (e.g., basic food and shelter).
Q3: How do UGMA accounts affect financial aid?
A: Assets held in a UGMA account are considered the child's assets. For federal financial aid purposes (like the FAFSA), student-owned assets typically have a lower impact on eligibility than parent-owned assets. However, they still factor into the calculation.
Q4: What happens if the minor dies before reaching the age of majority?
A: If the minor passes away before reaching the age of majority, the assets in the UGMA account generally pass to the minor's estate. The specific distribution would then be determined by the minor's will or the laws of intestacy.
Q5: Is there a limit to how much I can contribute to a UGMA account?
A: UGMA accounts themselves do not have statutory contribution limits like 529 plans. However, very large gifts may be subject to gift tax rules, although the annual gift tax exclusion amount usually covers most typical contributions without triggering taxes.
Q6: Can I change the custodian of a UGMA account?
A: Generally, once established, the custodian cannot be easily changed unless there are compelling legal or practical reasons, often requiring court intervention. The donor typically names a successor custodian in the account documents.
Q7: What are the tax implications of UGMA earnings?
A: Earnings in a UGMA account can be taxable. Depending on the amount of income and the parents' tax situation, it may be taxed at the child's rate or the parents' rate (under the "kiddie tax" rules). Consult a tax professional for specifics.
Q8: How does the UGMA calculator's growth rate differ from a savings account?
A: Savings accounts typically offer very low, stable interest rates, often below inflation. UGMA accounts, when invested in assets like stocks and bonds, have the potential for much higher growth but also carry more risk and volatility. The calculator allows you to input your expected rate based on your investment choices.

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If W is entered, we can subtract it for a *net* projection. finalBalance = finalBalanceBeforeWithdrawals; // Start with balance after growth if (w > 0 && n > 0) { // If withdrawals are specified, apply them conceptually. // A precise annuity calculation for withdrawals *after* 'n' years is complex without a defined withdrawal period. // For simplicity, let's use the balance before withdrawals as the main result. // If we MUST subtract W: finalBalance = finalBalanceBeforeWithdrawals – (W * n); // VERY basic reduction. // The formula in HTML implies annuity: W * (((1+r)^n – 1)/r) * (1+r) – this is for withdrawals *during* period n. // Since we calculated year-by-year, let's try to apply W at the end. // Let's assume the result is FV *before* withdrawals. // If W > 0, we can show finalBalanceBeforeWithdrawals as the primary, and then calculate a hypothetical balance if W was withdrawn annually for, say, 3 years. // For THIS calculator, the result `primary-result` will be `finalBalanceBeforeWithdrawals`. // `totalGrowth` will be `finalBalanceBeforeWithdrawals – totalContributions`. // Let's update the table rows to reflect withdrawals IF W is intended to be withdrawn within the N years. // The prompt says "Annual Withdrawals (after growth period)", which is slightly contradictory. // Let's interpret: Calculate up to N years of growth and contributions. Then, if W > 0, it implies a plan to withdraw W annually *after* year N. // The simplest display: show the balance AT year N. Then, if W > 0, show a reduced amount, assuming W was taken out. // Let's recalculate the table to reflect withdrawals if W occurs *during* the N years for a more dynamic table. // This conflicts with "after growth period". // REVISED APPROACH: The `primary-result` is the balance at the END of `yearsToGrow` (n), considering initial deposit, contributions, and growth. // `finalBalanceBeforeWithdrawals` will display this. // `totalContributions` is `initialDeposit + (annualContributions * yearsToGrow)`. // `totalGrowth` is `finalBalanceBeforeWithdrawals – totalContributions`. // `annualWithdrawals` input might be confusingly worded. 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This requires recalculating the loop. tableBody.innerHTML = "; // Clear and rebuild table with withdrawals integrated currentBalance = p; // Reset for table recalculation chartDataContributions = []; chartDataGrowth = []; chartDataBalance = []; chartLabels = []; for (var year = 0; year = n – 1 && w > 0) ? w : 0; // Simplified: assume withdrawal happens in the last year if specified // A more accurate approach for withdrawals *during* n years: // Balance after growth & contribution = beginningBalance + growthThisYear + contributionThisYear // Balance after withdrawal = Balance after growth & contribution – withdrawalThisYear // This model is tricky because the prompt implies "after growth period". // Let's stick to the initial interpretation: calculate up to N years of growth and contributions. // The `primary-result` is the balance at year N. // The table will show year-by-year accumulation. // If W>0, it indicates a plan *after* year N. We won't subtract it from the primary result UNLESS it's a crucial aspect of the tool. // Given the prompt "Annual Withdrawals (after growth period)", let's interpret primary result as the balance at the end of the growth period. // Revert to simpler loop calculation for table, reflecting contributions and growth only. // Then, `finalBalanceBeforeWithdrawals` is the primary result. // The `annualWithdrawals` input field and associated logic needs to be clearly defined. // If the user enters W, and N=18, it's likely they mean withdrawals *after* 18 years. // So, the primary result IS the balance at year N. // We can *then* calculate the impact of W over subsequent years if needed, but it's not part of the 'n' calculation. // For the table, we'll show the balance at the end of each year, assuming only contributions and growth. // Let's update the table row calculation: currentBalance = beginningBalance + (beginningBalance * r) + c; // Basic compound interest + contribution chartLabels.push(year + 1); chartDataContributions.push(p + (c * (year + 1))); chartDataGrowth.push(currentBalance – chartDataContributions[year]); // Growth for this year cumulative chartDataBalance.push(currentBalance); var row = tableBody.insertRow(); row.insertCell(0).textContent = year + 1; row.insertCell(1).textContent = formatCurrency(beginningBalance); row.insertCell(2).textContent = formatCurrency(c); row.insertCell(3).textContent = formatCurrency(beginningBalance * r); // Growth for THIS year row.insertCell(4).textContent = formatCurrency(0); // No withdrawals during accumulation period per interpretation row.insertCell(5).textContent = formatCurrency(currentBalance); } finalBalanceBeforeWithdrawals = currentBalance; totalContributions = p + (c * n); totalGrowth = finalBalanceBeforeWithdrawals – totalContributions; finalBalance = finalBalanceBeforeWithdrawals; // Primary result is balance at end of N years } else { // Handle case where r is 0 or very small, to avoid division by zero in annuity formulas if they were used. // For simple compounding and contributions, this is fine. finalBalanceBeforeWithdrawals = p + (c * n); totalContributions = p + (c * n); totalGrowth = 0; finalBalance = finalBalanceBeforeWithdrawals; // Update table for 0 growth case tableBody.innerHTML = "; // Clear and rebuild table currentBalance = p; chartDataContributions = []; chartDataGrowth = []; chartDataBalance = []; chartLabels = []; for (var year = 0; year < n; year++) { chartLabels.push(year + 1); chartDataContributions.push(p + (c * (year + 1))); chartDataGrowth.push(0); chartDataBalance.push(p + (c * (year + 1))); var row = tableBody.insertRow(); row.insertCell(0).textContent = year + 1; row.insertCell(1).textContent = formatCurrency(p + (c * year)); row.insertCell(2).textContent = formatCurrency(c); row.insertCell(3).textContent = formatCurrency(0); row.insertCell(4).textContent = formatCurrency(0); row.insertCell(5).textContent = formatCurrency(p + (c * (year + 1))); } } document.getElementById('primary-result').textContent = formatCurrency(finalBalance); document.getElementById('totalContributions').textContent = formatCurrency(totalContributions); document.getElementById('totalGrowth').textContent = formatCurrency(totalGrowth); document.getElementById('finalValueBeforeWithdrawals').textContent = formatCurrency(finalBalanceBeforeWithdrawals); document.getElementById('result-section').style.display = 'block'; updateChart(chartLabels, chartDataContributions, chartDataGrowth, chartDataBalance); } function formatCurrency(amount) { if (isNaN(amount) || amount === null) return '–'; return '$' + amount.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); } function updateChart(labels, contributions, growth, balance) { var ctx = document.getElementById('ugmaChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Total Contributions', data: contributions, borderColor: getComputedStyle(document.documentElement).getPropertyValue('–primary-color'), backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: false, tension: 0.1 }, { label: 'Investment Growth', data: growth, borderColor: getComputedStyle(document.documentElement).getPropertyValue('–success-color'), backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, tension: 0.1 }, { label: 'Total Balance', data: balance, borderColor: '#ffc107', // Warning color for balance backgroundColor: 'rgba(255, 193, 7, 0.1)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return formatCurrency(value); } } }, x: { title: { display: true, text: 'Year' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += formatCurrency(context.parsed.y); } return label; } } } } } }); } function resetForm() { document.getElementById('initialDeposit').value = '1000'; document.getElementById('annualContributions').value = '500'; document.getElementById('estimatedGrowthRate').value = '7'; document.getElementById('yearsToGrow').value = '18'; document.getElementById('annualWithdrawals').value = '0'; // Clear error messages document.getElementById('initialDepositError').textContent = ''; document.getElementById('annualContributionsError').textContent = ''; document.getElementById('estimatedGrowthRateError').textContent = ''; document.getElementById('yearsToGrowError').textContent = ''; document.getElementById('annualWithdrawalsError').textContent = ''; document.getElementById('result-section').style.display = 'none'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Clear table document.getElementById('ugmaTableBody').innerHTML = ''; } function copyResults() { var primaryResult = document.getElementById('primary-result').textContent; var totalContributions = document.getElementById('totalContributions').textContent; var totalGrowth = document.getElementById('totalGrowth').textContent; var finalValueBeforeWithdrawals = document.getElementById('finalValueBeforeWithdrawals').textContent; var assumptions = "Key Assumptions:\n"; assumptions += "- Initial Deposit: " + document.getElementById('initialDeposit').value + "\n"; assumptions += "- Annual Contributions: " + document.getElementById('annualContributions').value + "\n"; assumptions += "- Estimated Annual Growth Rate: " + document.getElementById('estimatedGrowthRate').value + "%\n"; assumptions += "- Number of Years to Grow: " + document.getElementById('yearsToGrow').value + "\n"; assumptions += "- Annual Withdrawals (after growth period): " + document.getElementById('annualWithdrawals').value + "\n"; var resultsText = "UGMA Calculator Results:\n\n"; resultsText += "Estimated End Balance: " + primaryResult + "\n"; resultsText += "Total Contributions: " + totalContributions + "\n"; resultsText += "Total Growth: " + totalGrowth + "\n"; resultsText += "Value Before Withdrawals: " + finalValueBeforeWithdrawals + "\n\n"; resultsText += assumptions; if (navigator.clipboard && window.isSecureContext) { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(resultsText); }); } else { fallbackCopyTextToClipboard(resultsText); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results ' + msg + 'ly copied to clipboard!'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } // Initialize the chart with placeholder data or empty state function initializeChart() { var ctx = document.getElementById('ugmaChart').getContext('2d'); chartInstance = new Chart(ctx, { type: 'line', data: { labels: [], datasets: [{ label: 'Total Contributions', data: [], borderColor: getComputedStyle(document.documentElement).getPropertyValue('–primary-color'), fill: false, tension: 0.1 }, { label: 'Investment Growth', data: [], borderColor: getComputedStyle(document.documentElement).getPropertyValue('–success-color'), fill: false, tension: 0.1 }, { label: 'Total Balance', data: [], borderColor: '#ffc107', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return formatCurrency(value); } } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += formatCurrency(context.parsed.y); } return label; } } } } } }); } // Add event listeners for real-time updates document.getElementById('initialDeposit').addEventListener('input', calculateUGMA); document.getElementById('annualContributions').addEventListener('input', calculateUGMA); document.getElementById('estimatedGrowthRate').addEventListener('input', calculateUGMA); document.getElementById('yearsToGrow').addEventListener('input', calculateUGMA); document.getElementById('annualWithdrawals').addEventListener('input', calculateUGMA); // Initial setup window.onload = function() { resetForm(); // Set default values initializeChart(); // Initialize empty chart };

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