Depreciation Calculator for Property Claims

ANA›Life Services Authority›National Calculator Authority›Depreciation Calculator for Property Claims

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Depreciation Calculator for Property Claims

Estimate the actual cash value (ACV) of a damaged or lost property item by calculating depreciation based on the item's age, expected useful life, and current replacement cost. Used by adjusters and policyholders to determine fair claim settlements.

Replacement Cost (RCV) ($)

Current cost to replace the item with a new equivalent.

Item Age (Years)

How old the item is at the time of the loss.

Expected Useful Life (Years)

Typical lifespan of the item (e.g. roof: 20 yrs, appliance: 10 yrs).

Salvage / Residual Value (%)

Percentage of RCV retained at end of useful life (commonly 10%).

Depreciation Method

Straight-Line (most common in insurance) Double Declining Balance

Straight-line is standard for most property claims.

Calculate Depreciation

### Depreciation Results

Replacement Cost Value (RCV)— Total Depreciation Amount— Depreciation Rate Applied— Actual Cash Value (ACV)— Recoverable Depreciation *—

function depFmt(n) { return "$" + n.toLocaleString("en-US", {minimumFractionDigits: 2, maximumFractionDigits: 2}); } function depPct(n) { return n.toFixed(2) + "%"; }

function depCalc() { var errEl = document.getElementById("dep-error"); var resEl = document.getElementById("dep-result"); errEl.style.display = "none"; resEl.style.display = "none";

var rcv = parseFloat(document.getElementById("dep-replacement-cost").value); var age = parseFloat(document.getElementById("dep-item-age").value); var life = parseFloat(document.getElementById("dep-useful-life").value); var salvagePct = parseFloat(document.getElementById("dep-salvage-pct").value); var method = document.getElementById("dep-method").value;

// --- Validation --- var errors = []; if (isNaN(rcv) || rcv = 100) errors.push("Salvage Value must be between 0% and 99%."); if (!isNaN(age) && !isNaN(life) && age > life * 2) errors.push("Item Age seems unusually high relative to Useful Life. Please verify.");

if (errors.length > 0) { errEl.innerHTML = errors.join(""); errEl.style.display = "block"; return; }

var salvageValue = rcv * (salvagePct / 100); var depreciableBase = rcv - salvageValue;

// Cap age at useful life for depreciation purposes var effectiveAge = Math.min(age, life);

var depAmount = 0; var depRateDisplay = ""; var note = "";

if (method === "straight") { // Straight-Line: Annual depreciation = depreciableBase / life // Total depreciation = annualDep * effectiveAge var annualDepRate = 1 / life; // as a fraction of depreciable base depAmount = depreciableBase * annualDepRate * effectiveAge; depRateDisplay = depPct(annualDepRate * 100) + " per year (straight-line)"; note = "Straight-line method: equal depreciation each year over the useful life.";

} else { // Double Declining Balance (DDB) // Annual rate = 2 / life (applied to remaining book value each year) // Book value after n years = RCV × (1 − 2/life)^n [floored at salvage value] var ddbRate = 2 / life; var bookValue = rcv; for (var y = 0; y

#### Formulas Used

Straight-Line Depreciation (most common in property claims):

Annual Depreciation Rate = 1 / Useful Life Depreciable Base = RCV − Salvage Value Total Depreciation = Depreciable Base × Annual Rate × Effective Age Actual Cash Value (ACV) = RCV − Total Depreciation

Double Declining Balance (accelerated):

Annual DDB Rate = 2 / Useful Life Book Value (year n) = Prior Book Value × (1 − DDB Rate) [floored at Salvage Value] Total Depreciation = RCV − Book Value after n years ACV = RCV − Total Depreciation

Recoverable Depreciation (RCV Policy):

Recoverable Depreciation = RCV − ACV (Paid after proof of repair/replacement is submitted)

#### Assumptions & References

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References

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