Donation Tax Deduction Value Calculator

When you donate clothing, furniture, or household goods to a qualified charitable organization (such as Goodwill, Salvation Army, or a registered 501(c)(3)), you can deduct the fair market value (FMV) of the items on your US federal tax return, provided you itemize deductions.

Core tax value formula: Tax Deduction Value = Fair Market Value of Donated Items Tax Savings = Deduction Value × Your Marginal Tax Rate

Fair Market Value definition: FMV is defined by the IRS as “the price at which property would change hands between a willing buyer and a willing seller, neither being under any compulsion to buy or sell.” For used goods, this means thrift store resale value, not original purchase price.

How this calculator estimates it, and what that estimate is worth

The IRS wants thrift-shop resale value. Most people donating a carload of clothes have no idea what a thrift shop would charge, but they do remember roughly what they paid. So this works backwards from the purchase price using typical resale fractions: around 10% for clothing, 15% for furniture, 20% for electronics in good condition, adjusted up for excellent and down for fair.

Treat that as a starting point, not an answer. Check it against the table below before you file anything. If the calculator hands you $40 for a shirt because it was an expensive shirt, the table says a men’s shirt is $4 to $9 and the table wins. Resale value tracks what a thrift shop can actually sell the thing for, and that has surprisingly little to do with the original sticker.

The variables:

• Fair Market Value is the realistic resale price of a used item in its current condition. Determined by comparing similar items at thrift stores, eBay sold listings, or the IRS guideline ranges.
• Marginal Tax Rate is your highest federal income tax bracket: 10, 12, 22, 24, 32, 35 or 37%. It decides how much tax the deduction actually saves you, and a deduction is not a refund. A $430 deduction at 22% is worth $94.60, not $430.
• Condition matters more than age. Something worn but working is fair; something you would happily give a friend is good; something still close to new is excellent.
• The deduction only helps if you itemize. With the standard deduction at the level it is, most filers do not, and for them the donation is worth nothing on the return regardless of what this page says.

IRS-published FMV ranges for common donations:

Worked example, valuing straight from the table: You donate 5 shirts ($6 each), 2 suits ($50 each), 1 sofa ($100) and 1 working laptop ($200).

Total FMV = (5×$6) + (2×$50) + $100 + $200 = $430

At a 22% marginal rate, Tax Savings = $430 × 0.22 = $94.60

Note what that means: the deduction is $430, the money back is $94.60. People routinely confuse the two and are disappointed at filing time.

Worked example, using this calculator: Four dining chairs that cost $150 each new, still solid but scuffed, so fair condition.

Furniture resale fraction 15%, fair condition ×0.5 → $150 × 0.075 = $11.25 per chair Four chairs → $45 total deduction At 22%, that is $9.90 off the tax bill.

Eleven dollars a chair is roughly what a thrift shop tags a scuffed dining chair at, so the estimate is in the right place. Run the same chairs through as excellent condition and you get $29.25 each, which is also plausible for chairs that look new. That gap is exactly why condition, not price paid, is the thing to get right.

Documentation required: Donations under $250 need a receipt. Donations of $250–$500 need a written acknowledgment. Non-cash donations over $500 require IRS Form 8283. Items valued over $5,000 require a qualified appraisal.