Calculate Residual Value

Calculate Residual Value: Free Online Calculator & Guide :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-bg: #fff; –shadow: 0 2px 5px 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); line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-bg); border-radius: 8px; box-shadow: var(–shadow); } header { background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; margin-bottom: 20px; border-radius: 8px 8px 0 0; } header h1 { margin: 0; font-size: 2.5em; } h1, h2, h3 { color: var(–primary-color); } .loan-calc-container { background-color: var(–card-bg); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .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; } .input-group .error-message { color: red; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-between; margin-top: 30px; gap: 10px; } .button-group button { padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; transition: background-color 0.3s ease; flex-grow: 1; } .btn-calculate { background-color: var(–primary-color); color: white; } .btn-calculate:hover { background-color: #003366; } .btn-reset { background-color: #6c757d; color: white; } .btn-reset:hover { background-color: #5a6268; } .btn-copy { background-color: #ffc107; color: #212529; } .btn-copy:hover { background-color: #e0a800; } #results-container { margin-top: 30px; padding: 25px; background-color: var(–primary-color); color: white; border-radius: 8px; box-shadow: var(–shadow); text-align: center; } #results-container h3 { color: white; margin-top: 0; font-size: 1.8em; } .primary-result { font-size: 2.5em; font-weight: bold; margin: 15px 0; padding: 10px; background-color: var(–success-color); border-radius: 5px; display: inline-block; } .intermediate-results div { margin-bottom: 10px; font-size: 1.1em; } .intermediate-results span { font-weight: bold; } .formula-explanation { font-size: 0.9em; margin-top: 15px; opacity: 0.9; } table { width: 100%; border-collapse: collapse; margin-top: 30px; box-shadow: var(–shadow); } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; text-align: left; } canvas { display: block; margin: 30px auto; background-color: var(–card-bg); border-radius: 5px; box-shadow: var(–shadow); } .article-section { margin-top: 40px; padding: 30px; background-color: var(–card-bg); border-radius: 8px; box-shadow: var(–shadow); } .article-section h2 { border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; margin-bottom: 20px; } .article-section h3 { margin-top: 25px; margin-bottom: 15px; } .faq-item { margin-bottom: 15px; } .faq-item strong { color: var(–primary-color); cursor: pointer; display: block; margin-bottom: 5px; } .faq-item p { margin-left: 15px; display: none; /* Hidden by default */ } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links span { font-size: 0.9em; color: #555; display: block; margin-top: 3px; } .highlight { background-color: var(–success-color); color: white; padding: 2px 5px; border-radius: 3px; } .variable-table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(–shadow); } .variable-table th, .variable-table td { padding: 10px 12px; text-align: left; border: 1px solid var(–border-color); } .variable-table th { background-color: var(–primary-color); color: white; } .variable-table tr:nth-child(even) { background-color: #f9f9f9; } .variable-table td:first-child { font-weight: bold; background-color: #f0f0f0; }

Residual Value Calculator

Estimate the future worth of your assets.

Calculate Residual Value

Enter the details of your asset to estimate its residual value.

The original purchase price or acquisition cost.
How many years you expect to use the asset.
The estimated value of the asset at the end of its useful life.
Straight-Line Sum-of-Years' Digits Reducing Balance (150%) Select the method used for depreciation calculation.
The current year in the asset's useful life (1 to Useful Life).

Your Estimated Residual Value

Accumulated Depreciation:
Annual Depreciation:
Current Book Value:
Residual Value = Initial Cost – Accumulated Depreciation
Depreciation Schedule
Year Beginning Book Value Depreciation Expense Accumulated Depreciation Ending Book Value (Residual Value)
Asset Value Over Time

What is Residual Value?

Residual value, often referred to as salvage value or scrap value, represents the estimated worth of an asset at the end of its useful life. This is the amount a company or individual expects to receive when they sell or dispose of an asset after it has been fully depreciated or is no longer economically viable to use. Understanding residual value is crucial for accurate financial reporting, lease calculations, and strategic asset management. It directly impacts the depreciation expense recognized over an asset's life and influences decisions about asset replacement and disposal.

Who Should Use It?

  • Businesses: For accounting purposes (depreciation), lease agreements, and capital budgeting.
  • Individuals: When purchasing or leasing vehicles, assessing the long-term cost of ownership.
  • Financial Analysts: For valuation models and investment analysis.
  • Equipment Managers: To plan for asset upgrades and disposals.

Common Misconceptions:

  • Residual Value = Salvage Value: While often used interchangeably, residual value is the *estimated* value at the *end of its useful life*, whereas salvage value can sometimes refer to the value if sold for its basic materials (e.g., scrap metal). For practical purposes in depreciation, they are often treated the same.
  • It's a Fixed Number: Residual value is an *estimate*. Market conditions, asset condition, and technological advancements can significantly alter the actual value realized.
  • Only Applies to Tangible Assets: While most common with physical assets like vehicles and machinery, the concept can extend to certain intangible assets where future economic benefits are projected to cease.

Residual Value Formula and Mathematical Explanation

The core concept behind calculating residual value involves understanding how an asset loses value over time due to wear and tear, obsolescence, or usage. This loss of value is known as depreciation. The most fundamental way to determine residual value is by subtracting the total accumulated depreciation from the asset's initial cost.

The Basic Formula:

Residual Value = Initial Cost - Accumulated Depreciation

However, the complexity lies in calculating the Accumulated Depreciation, which depends heavily on the chosen depreciation method. Here's a breakdown:

Depreciation Methods Explained:

  1. Straight-Line Depreciation: This is the simplest method. It spreads the depreciable cost (Initial Cost – Salvage Value) evenly over the asset's useful life.
    Annual Depreciation = (Initial Cost - Salvage Value) / Useful Life (Years)
    Accumulated Depreciation (Year N) = Annual Depreciation * N
  2. Sum-of-Years' Digits (SYD) Depreciation: An accelerated method that recognizes higher depreciation expense in the earlier years of an asset's life.
    First, calculate the sum of the years' digits: SYD = n * (n + 1) / 2, where 'n' is the useful life.
    Then, the depreciation rate for each year is: Depreciation Rate (Year N) = (Remaining Useful Life at Start of Year N) / SYD
    Annual Depreciation (Year N) = Depreciation Rate (Year N) * (Initial Cost - Salvage Value)
    Accumulated Depreciation (Year N) = Sum of Annual Depreciation for Years 1 to N
  3. Reducing Balance (Declining Balance) Depreciation: Another accelerated method where a fixed percentage is applied to the asset's *book value* (not the depreciable cost) each year. A common rate is 150% of the straight-line rate.
    Straight-Line Rate = 1 / Useful Life (Years)
    Reducing Balance Rate = 1.5 * Straight-Line Rate (for 150% method)
    Annual Depreciation (Year N) = Reducing Balance Rate * Book Value at Start of Year N
    Note: The asset's book value should not fall below its estimated salvage value.
    Accumulated Depreciation (Year N) = Initial Cost - Book Value at End of Year N

Variables Table:

Variable Meaning Unit Typical Range
Initial Cost (C) The original purchase price or acquisition cost of the asset. Currency (e.g., USD, EUR) ≥ 0
Useful Life (n) The estimated number of years the asset is expected to be used. Years ≥ 1
Salvage Value (S) The estimated value of the asset at the end of its useful life. Currency (e.g., USD, EUR) ≥ 0, Typically ≤ Initial Cost
Depreciable Cost (C-S) The portion of the asset's cost that can be depreciated. Currency ≥ 0
Depreciation Method The accounting method used to allocate the cost of an asset over its useful life. Method Name Straight-Line, SYD, Reducing Balance, etc.
Current Year (N) The specific year within the asset's useful life for which calculations are being made. Year Number 1 to n
Accumulated Depreciation (AD) The total depreciation expense recognized for an asset up to a specific point in time. Currency ≥ 0, Typically ≤ Depreciable Cost
Book Value (BV) The asset's value on the company's balance sheet (Initial Cost – Accumulated Depreciation). Currency ≥ Salvage Value
Residual Value (RV) The estimated value of an asset at the end of its useful life. Often synonymous with Salvage Value in basic calculations. Currency ≥ 0

Practical Examples (Real-World Use Cases)

Example 1: Vehicle Leasing

A company is leasing a fleet of delivery vans. Each van costs the leasing company $40,000 and is expected to be used for 5 years, after which it will be sold for an estimated $10,000 (salvage value). They use the straight-line depreciation method.

Inputs:

  • Initial Cost: $40,000
  • Useful Life: 5 years
  • Salvage Value: $10,000
  • Depreciation Method: Straight-Line

Calculation (using the calculator):

The calculator would determine:

  • Annual Depreciation: ($40,000 – $10,000) / 5 = $6,000
  • Accumulated Depreciation (at end of Year 5): $6,000 * 5 = $30,000
  • Residual Value (at end of Year 5): $40,000 – $30,000 = $10,000

Financial Interpretation: The leasing company knows that after 5 years, the van is expected to be worth $10,000. This figure is critical for setting the lease payments. The total depreciation ($30,000) over the lease term needs to be covered by the lease income, plus a profit margin.

Example 2: Business Equipment Purchase

A manufacturing firm purchases a new CNC machine for $150,000. They estimate its useful life to be 10 years, with a potential salvage value of $15,000 at the end. They decide to use the Sum-of-Years' Digits (SYD) method for accelerated depreciation.

Inputs:

  • Initial Cost: $150,000
  • Useful Life: 10 years
  • Salvage Value: $15,000
  • Depreciation Method: Sum-of-Years' Digits

Calculation (focusing on Year 3):

  • SYD = 10 * (10 + 1) / 2 = 55
  • Depreciable Cost = $150,000 – $15,000 = $135,000
  • Year 1 Depreciation: (10/55) * $135,000 = $24,545.45
  • Year 2 Depreciation: (9/55) * $135,000 = $22,090.91
  • Year 3 Depreciation: (8/55) * $135,000 = $19,636.36
  • Accumulated Depreciation (End of Year 3): $24,545.45 + $22,090.91 + $19,636.36 = $66,272.72
  • Book Value (End of Year 3): $150,000 – $66,272.72 = $83,727.28
  • Residual Value (End of Year 10): $150,000 – (SYD Depreciation for 10 years) = $15,000 (as per estimate)

Financial Interpretation: The SYD method allows the company to recognize a larger tax deduction in the early years. The calculator helps track the asset's declining book value, which is important for potential trade-in negotiations or impairment testing. The estimated residual value of $15,000 sets the floor for the asset's value on the books.

How to Use This Residual Value Calculator

Our Residual Value Calculator is designed for simplicity and accuracy. Follow these steps to get your estimated asset value:

  1. Enter Initial Cost: Input the original purchase price or acquisition cost of the asset.
  2. Specify Useful Life: Enter the total number of years you expect the asset to be in service.
  3. Estimate Salvage Value: Provide your best estimate of the asset's worth at the end of its useful life. This is often the same as the residual value you're trying to confirm, but it's used as an input for certain depreciation methods.
  4. Choose Depreciation Method: Select the accounting method you are using (Straight-Line, Sum-of-Years' Digits, or Reducing Balance). The calculator supports common methods.
  5. Enter Current Year: Specify the current year within the asset's useful life (e.g., '1' for the first year, '3' for the third year).
  6. Click 'Calculate': The calculator will instantly display the primary result: the estimated residual value (which is typically the same as the salvage value if calculated at the end of the useful life, or the current book value if calculated mid-life).

Reading the Results:

  • Primary Result: This shows the calculated Book Value at the specified 'Current Year'. If 'Current Year' equals 'Useful Life', this is your estimated Residual Value.
  • Intermediate Values: Understand the Accumulated Depreciation, Annual Depreciation (for the specified year), and the Current Book Value. These provide a clearer picture of the asset's value decline.
  • Depreciation Schedule Table: This table provides a year-by-year breakdown of the asset's depreciation, showing how its book value decreases over time.
  • Value Chart: Visualize the decline in the asset's book value over its useful life.

Decision-Making Guidance: Use the calculated residual value and book value to inform decisions about asset replacement, lease negotiations, loan collateral assessments, and tax planning. If the calculated residual value differs significantly from your initial estimate, you may need to re-evaluate your assumptions about the asset's longevity or market demand.

Key Factors That Affect Residual Value

Several factors influence how much an asset will be worth at the end of its useful life. Understanding these can help you make more accurate estimates and better financial decisions.

  1. Initial Cost & Quality: Higher quality assets often retain value better. The initial purchase price also sets the baseline for depreciation calculations.
  2. Useful Life Assumption: A longer assumed useful life means slower depreciation initially, but the final residual value depends on the accuracy of that lifespan estimate.
  3. Depreciation Method: Accelerated methods (like SYD or Reducing Balance) show a lower book value earlier than the straight-line method, impacting interim financial reporting and tax benefits. The final residual value estimate itself isn't changed by the method, but the *timing* of value reduction is.
  4. Market Demand & Trends: For assets like vehicles, consumer preferences (e.g., fuel efficiency, SUV vs. sedan) heavily influence demand and thus residual value. Technological advancements can make older models obsolete faster.
  5. Condition & Maintenance: An asset that is well-maintained and kept in good condition will generally command a higher residual value than one that is neglected. Regular servicing and repairs are key.
  6. Mileage/Usage: For vehicles and machinery, higher usage (mileage, operating hours) typically leads to greater wear and tear, reducing the residual value.
  7. Economic Conditions & Inflation: General economic health can affect demand for used assets. Inflation might increase the nominal value of some assets, but it also increases the cost of replacement, making the *real* residual value important.
  8. Geographic Location: Demand and market prices for used assets can vary significantly by region.

Frequently Asked Questions (FAQ)

What is the difference between residual value and book value?

Book value is the asset's value on the balance sheet at any given point in time (Initial Cost – Accumulated Depreciation). Residual value is the *estimated* value at the *end* of the asset's useful life. If you calculate book value at the end of the useful life using the correct depreciation, it should equal the estimated residual value.

Can residual value be zero?

Yes, an asset might have a residual value of zero if it's expected to have no market value or significant disposal costs at the end of its useful life. However, accounting standards often require a minimum salvage value estimate, even if nominal (e.g., $1).

How often should I update my residual value estimates?

For financial reporting, estimates are typically set at acquisition and reviewed periodically (e.g., annually) or when significant changes occur. For assets like vehicles, market research might be needed more frequently to track current trends.

Does residual value affect taxes?

Yes, indirectly. The residual value (or salvage value) is used to calculate the depreciable base (Initial Cost – Salvage Value) for tax depreciation. A higher salvage value means a lower depreciable base and thus lower depreciation expense, potentially leading to higher taxable income in the short term.

What if the actual sale price is different from the estimated residual value?

If the actual sale price differs significantly from the estimated residual value, it indicates that the initial estimate may have been inaccurate. This difference is typically recognized as a gain or loss on disposal in the period the asset is sold. It may also prompt a review of future residual value estimates.

Is residual value the same for all depreciation methods?

The *estimated residual value* itself is an assumption independent of the depreciation method. However, the *book value* at any given point before the end of the useful life will differ based on the method used. The goal of depreciation is to reduce the book value to the estimated residual value by the end of the useful life.

Can residual value be negative?

Generally, no. Residual value represents an asset's worth. If disposal costs are expected to exceed the sale price, the net cost of disposal is usually handled differently in accounting, not typically as a negative residual value. The book value, however, should not fall below the estimated residual value.

How does inflation impact residual value calculations?

Inflation can complicate residual value estimation. While inflation might increase the nominal selling price of an asset, it also increases the cost of acquiring a replacement asset. Analysts often consider the 'real' residual value (adjusted for inflation) or focus on the asset's value relative to current market prices for similar used items.

Related Tools and Internal Resources

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var initialCostInput = document.getElementById('initialCost'); var usefulLifeInput = document.getElementById('usefulLife'); var salvageValueInput = document.getElementById('salvageValue'); var depreciationMethodSelect = document.getElementById('depreciationMethod'); var currentYearInput = document.getElementById('currentYear'); var resultsContainer = document.getElementById('results-container'); var primaryResultDiv = document.getElementById('primaryResult'); var accumulatedDepreciationSpan = document.getElementById('accumulatedDepreciation').querySelector('span'); var annualDepreciationSpan = document.getElementById('annualDepreciation').querySelector('span'); var bookValueSpan = document.getElementById('bookValue').querySelector('span'); var depreciationTableBody = document.getElementById('depreciationTableBody'); var valueChart; var chartContext; // Initialize chart function initChart() { chartContext = document.getElementById('valueChart').getContext('2d'); valueChart = new Chart(chartContext, { type: 'line', data: { labels: [], datasets: [{ label: 'Book Value', data: [], borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.1 }, { label: 'Salvage Value Floor', data: [], borderColor: 'var(–success-color)', borderDash: [5, 5], backgroundColor: 'rgba(40, 167, 69, 0.05)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: true, scales: { y: { beginAtZero: false, title: { display: true, text: 'Value (Currency)' } }, x: { title: { display: true, text: 'Year' } } }, plugins: { title: { display: true, text: 'Asset Book Value Over Time' } } } }); } // Helper function to format currency function formatCurrency(value) { if (isNaN(value) || value === null) return '–'; // Basic currency formatting, adjust locale/options as needed return value.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); } // Helper function to clear errors function clearErrors() { var errorSpans = document.querySelectorAll('.error-message'); for (var i = 0; i < errorSpans.length; i++) { errorSpans[i].style.display = 'none'; errorSpans[i].textContent = ''; } resultsContainer.style.display = 'none'; } // Validation functions function validateInput(id, min, max, message) { var input = document.getElementById(id); var value = parseFloat(input.value); var errorSpan = document.getElementById(id + 'Error'); var isValid = true; if (isNaN(value) || input.value.trim() === '') { errorSpan.textContent = 'This field is required.'; errorSpan.style.display = 'block'; isValid = false; } else if (value max) { errorSpan.textContent = `Value cannot exceed ${max}.`; errorSpan.style.display = 'block'; isValid = false; } else { errorSpan.style.display = 'none'; } return isValid; } function calculateResidualValue() { clearErrors(); var initialCost = parseFloat(initialCostInput.value); var usefulLife = parseInt(usefulLifeInput.value); var salvageValue = parseFloat(salvageValueInput.value); var depreciationMethod = depreciationMethodSelect.value; var currentYear = parseInt(currentYearInput.value); var valid = true; if (!validateInput('initialCost', 0)) valid = false; if (!validateInput('usefulLife', 1)) valid = false; if (!validateInput('salvageValue', 0)) valid = false; if (!validateInput('currentYear', 1, usefulLife, 'Year must be between 1 and Useful Life')) valid = false; if (!valid) { return; } var depreciableCost = initialCost – salvageValue; var annualDepreciation = 0; var accumulatedDepreciation = 0; var bookValue = initialCost; var residualValue = salvageValue; // Default to salvage value if calculating for the end year var depreciationRates = []; var sy = 0; // Sum of Years' Digits if (depreciationMethod === 'straightLine') { if (usefulLife > 0) { annualDepreciation = depreciableCost / usefulLife; } else { annualDepreciation = 0; // Avoid division by zero } for (var i = 1; i <= usefulLife; i++) { var currentYearDepreciation = annualDepreciation; if (i === currentYear) { annualDepreciation = currentYearDepreciation; // Set for display } accumulatedDepreciation += currentYearDepreciation; if (i === currentYear) { bookValue = initialCost – accumulatedDepreciation; } if (i === usefulLife) { residualValue = initialCost – accumulatedDepreciation; // Final residual value } depreciationRates.push({ year: i, depreciation: currentYearDepreciation, accumulated: accumulatedDepreciation, bookValue: initialCost – accumulatedDepreciation }); } } else if (depreciationMethod === 'sumOfYearsDigits') { sy = usefulLife * (usefulLife + 1) / 2; var remainingLife = usefulLife; var currentAccumulatedDepreciation = 0; for (var i = 1; i 0 ? remainingLife / sy : 0; var currentYearDepreciation = rate * depreciableCost; currentAccumulatedDepreciation += currentYearDepreciation; if (i === currentYear) { annualDepreciation = currentYearDepreciation; accumulatedDepreciation = currentAccumulatedDepreciation; bookValue = initialCost – accumulatedDepreciation; } if (i === usefulLife) { residualValue = initialCost – currentAccumulatedDepreciation; } depreciationRates.push({ year: i, depreciation: currentYearDepreciation, accumulated: currentAccumulatedDepreciation, bookValue: initialCost – currentAccumulatedDepreciation }); remainingLife–; } } else if (depreciationMethod === 'reducingBalance') { var straightLineRate = 1 / usefulLife; var reducingRate = 1.5 * straightLineRate; // 150% declining balance var currentBookValue = initialCost; var currentAccumulatedDepreciation = 0; for (var i = 1; i <= usefulLife; i++) { var depreciationExpense = reducingRate * currentBookValue; // Ensure book value doesn't go below salvage value if (currentBookValue – depreciationExpense < salvageValue) { depreciationExpense = currentBookValue – salvageValue; } currentBookValue -= depreciationExpense; currentAccumulatedDepreciation = initialCost – currentBookValue; if (i === currentYear) { annualDepreciation = depreciationExpense; accumulatedDepreciation = currentAccumulatedDepreciation; bookValue = currentBookValue; } if (i === usefulLife) { residualValue = currentBookValue; // Final book value is the residual value } depreciationRates.push({ year: i, depreciation: depreciationExpense, accumulated: currentAccumulatedDepreciation, bookValue: currentBookValue }); } } // Ensure book value doesn't fall below salvage value for the current year calculation if (bookValue < salvageValue && currentYear <= usefulLife) { bookValue = salvageValue; accumulatedDepreciation = initialCost – bookValue; } // Ensure final residual value is at least salvage value if (residualValue < salvageValue) { residualValue = salvageValue; } // Update results display primaryResultDiv.textContent = formatCurrency(bookValue); // Display current book value accumulatedDepreciationSpan.textContent = formatCurrency(accumulatedDepreciation); annualDepreciationSpan.textContent = formatCurrency(annualDepreciation); bookValueSpan.textContent = formatCurrency(bookValue); resultsContainer.style.display = 'block'; // Update table depreciationTableBody.innerHTML = ''; var chartLabels = []; var chartBookValues = []; var chartSalvageValues = []; for (var i = 0; i < depreciationRates.length; i++) { var row = depreciationTableBody.insertRow(); row.insertCell(0).textContent = depreciationRates[i].year; row.insertCell(1).textContent = formatCurrency(initialCost – (depreciationRates[i-1] ? depreciationRates[i-1].accumulated : 0)); // Beginning Book Value row.insertCell(2).textContent = formatCurrency(depreciationRates[i].depreciation); row.insertCell(3).textContent = formatCurrency(depreciationRates[i].accumulated); row.insertCell(4).textContent = formatCurrency(depreciationRates[i].bookValue); chartLabels.push(depreciationRates[i].year); chartBookValues.push(depreciationRates[i].bookValue); chartSalvageValues.push(salvageValue); } // Update chart if (valueChart) { valueChart.data.labels = chartLabels; valueChart.data.datasets[0].data = chartBookValues; valueChart.data.datasets[1].data = chartSalvageValues; valueChart.update(); } else { initChart(); // Initialize if not already done valueChart.data.labels = chartLabels; valueChart.data.datasets[0].data = chartBookValues; valueChart.data.datasets[1].data = chartSalvageValues; valueChart.update(); } } function resetCalculator() { initialCostInput.value = '50000'; usefulLifeInput.value = '5'; salvageValueInput.value = '5000'; depreciationMethodSelect.value = 'straightLine'; currentYearInput.value = '1'; clearErrors(); resultsContainer.style.display = 'none'; depreciationTableBody.innerHTML = ''; // Clear table if (valueChart) { // Clear chart valueChart.data.labels = []; valueChart.data.datasets[0].data = []; valueChart.data.datasets[1].data = []; valueChart.update(); } } function copyResults() { var primaryResult = primaryResultDiv.textContent; var accumulatedDep = accumulatedDepreciationSpan.textContent; var annualDep = annualDepreciationSpan.textContent; var bookVal = bookValueSpan.textContent; var initialCost = document.getElementById('initialCost').value; var usefulLife = document.getElementById('usefulLife').value; var salvageValue = document.getElementById('salvageValue').value; var depreciationMethod = document.getElementById('depreciationMethod').options[document.getElementById('depreciationMethod').selectedIndex].text; var currentYear = document.getElementById('currentYear').value; var copyText = `— Residual Value Calculation Results —\n\n`; copyText += `Key Assumptions:\n`; copyText += `- Initial Cost: ${formatCurrencyValue(initialCost)}\n`; copyText += `- Useful Life: ${usefulLife} years\n`; copyText += `- Estimated Salvage Value: ${formatCurrencyValue(salvageValue)}\n`; copyText += `- Depreciation Method: ${depreciationMethod}\n`; copyText += `- Current Year of Life: ${currentYear}\n\n`; copyText += `Results:\n`; copyText += `- Current Book Value: ${primaryResult}\n`; copyText += `- Accumulated Depreciation: ${accumulatedDep}\n`; copyText += `- Annual Depreciation (Year ${currentYear}): ${annualDep}\n`; copyText += `- Estimated Residual Value (End of Life): ${formatCurrencyValue(salvageValue)}\n`; // Display the input salvage value as the end-of-life estimate navigator.clipboard.writeText(copyText).then(function() { // Optional: Show a confirmation message var btnCopy = document.querySelector('.btn-copy'); var originalText = btnCopy.textContent; btnCopy.textContent = 'Copied!'; setTimeout(function() { btnCopy.textContent = originalText; }, 1500); }, function() { // Optional: Handle error alert('Failed to copy results.'); }); } // Helper to format value for copy, handling potential '–' function formatCurrencyValue(value) { if (value === '–' || value === '') return 'N/A'; var num = parseFloat(value); if (isNaN(num)) return value; return num.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); } function toggleFaq(element) { var p = element.nextElementSibling; if (p.style.display === 'block') { p.style.display = 'none'; } else { p.style.display = 'block'; } } // Initial calculation on load if fields have default values document.addEventListener('DOMContentLoaded', function() { initChart(); // Initialize chart on load // Trigger calculation if default values are present if (initialCostInput.value && usefulLifeInput.value && salvageValueInput.value && currentYearInput.value) { calculateResidualValue(); } // 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', calculateResidualValue); } });

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