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Gold Filled Scrap Value Calculator

Calculate the net gold melt value of gold-filled (1/20 GF, 1/10 GF) scrap jewelry, vintage eyeglasses, and watch cases.

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⚡ Live Gold Price (per Troy Oz) Live Spot
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📖 Overview

What Is a Gold Filled Scrap Value Calculator?

The Gold-Filled Value Calculator estimates fine-gold content and melt value from the item's weight, layer ratio, and gold-layer purity.

Calculate the net gold melt value of gold-filled (1/20 GF, 1/10 GF) scrap jewelry, vintage eyeglasses, and watch cases.

⚡ Live Spot Basis ⚖️ Multi-Karat 📊 Payout Modeling
Gold inspection illustration
Gold inspection illustration
🧮 Formula

Gold Filled Scrap Value Formula

The calculator follows this formula so the estimate stays tied to weight, purity, and the current gold spot price:

V=W×C×R×(K÷24)×P

V is estimated melt value, W is total item weight, C is the unit conversion to troy ounces, R is the marked gold-layer ratio, K is the layer karat, and P is the gold spot price per troy ounce.

Calculations use standard weight and purity formulas with live market spot prices. See our Calculation & Editorial Methodology for complete formula steps and limitation disclosures.

Solid Gold

Gold alloy throughout

Gold Filled

Bonded gold-alloy layerBase metal coreExample marking: 1/20 14K GF

Gold Plated

Very thin gold coatingBase metal coreExamples: GP / GEP / HGE

Gold Filled Payout Estimator

Model payout assumptions for gold-filled scrap lots

Gold-filled payouts vary widely by buyer, lot size, markings, recoverable gold content, and how much sorting or refining the lot needs.

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Precious Metal Refineries Some refiners accept qualifying or sorted lots. Confirm minimum lot requirements, testing method, fees, and final net payout. Compare net offers and lot minimums
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Scrap Gold Dealers May buy sorted lots or mixed scrap Ask how they estimate recoverable gold
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Pawn Shops Some buyers may decline GF entirely Policies vary a lot by store
Buyer Payout Ratio 75%
Applied buyer deduction: 25% (refining & margin) Example input — replace with the buyer's quoted payout percentage.
Melt Value
$0.00
Buyer Spread
−$0.00
Fees & Loss
−$0.00
Net Cash
$0.00

Precious Metal Market Rates

Live market spot prices reference for gold scrap

Rates show spot market prices per unit across standard karats. Select a karat to update the rate cards.

Per Gram
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1 gram = 0.0322 troy oz
Per Pennyweight
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1 DWT = 1.555 grams
Per Troy Ounce
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1 troy oz = 31.1035 g

How to Value Gold Filled Scrap

Three steps — inspect markings, weigh clean scrap, calculate gold yield

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1. Inspect Markings
Identify 1/20 12K GF, 1/20 14K GF, or Gold Filled stamps. Avoid RGP or GP (electroplated).
Electroplated items have microscopic gold layers with near-zero melt value.
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2. Weigh Clean Scrap
Strip non-metallic elements, glass lenses, or steel watch parts before weighing.
Refineries typically process gold-filled scrap in bulk lots, though minimum lot requirements vary by buyer.
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3. Calculate Yield
Multiply gross weight by the marked GF ratio, then by the karat purity, to estimate fine gold content.
Many marked items are 1/20 GF, but some are 1/10 GF or use other constructions. Use the stamp on the item when possible.

1/20 12K GF vs 1/20 14K GF

Compare the marked gold-alloy fraction first, then the karat. A 1/10 piece carries twice the marked gold-alloy fraction of a 1/20 piece, and a 14K layer contains more gold than a 12K layer of the same marked fraction.

Pocket Watch Case Scrap Values

Gold-filled pocket watch cases can vary widely in total weight and construction once movements are removed. As a hypothetical illustration, a 40g 1/20 12K GF case contains 1.0g of fine gold (yielding $75 at a hypothetical $75/g spot price; actual value fluctuates with live market spot rates).

Eyeglass Frames & Pens

Gold-filled eyeglass frames and pens are examples of possible GF scrap. Exclude lenses, plastic parts, ink cartridges, and other non-GF components from the eligible weight where practical.

Gold Filled Scrap Value Considerations

What makes gold-filled different from solid gold and gold plating

Gold-filled material consists of a karat-gold layer bonded to a base-metal core. Many marked pieces use a 1/20 standard, but the exact marked fraction can vary by item and stamp.

14K
58.3% Gold

Gold Filled Construction

In gold-filled items, a sheet of karat gold is heat-and-pressure bonded to a brass core. Unlike thin electroplating (which wears off quickly), gold-filled layer thickness resists tarnish and wear for decades.

Chemical Refining of Gold Filled

Gold-filled scrap includes a base-metal core, so buyers may sort, strip, or batch it differently from solid karat gold before estimating recovery. Ask the buyer how processing and deductions are reflected in the net quote.

Identifying Fake or Mislabelled Items

Watch for stamps like '1/20 14K RGP' (Rolled Gold Plate) or 'HGE' (Heavy Gold Electroplate) — these have thinner gold layers than genuine 1/20 GF items.

Specialized Tools

Specialized Scrap Gold Calculators

Specialized tools for every scrap gold scenario — pick the one that matches your gold item.

Frequently Asked Questions About Gold-Filled Scrap

Gold-filled material uses a mechanically bonded karat-gold layer over a base-metal core. The marked fraction can vary, so check stamps such as 1/20 or 1/10 before estimating value.

Multiply gross weight by the marked gold-alloy fraction, multiply that result by the layer's karat purity, then apply the live 24K spot rate. That gives a theoretical melt value before buyer deductions.

Gold-filled usually has a thicker mechanically bonded gold layer than ordinary plating, so it may contain more recoverable gold. The actual value still depends on the item's markings, condition, and buyer process.

Look for stamps like '1/20 12K GF', '1/20 14K GF', '1/10 10K GF', or 'Gold Filled' on watch cases, frames, and chains.

Buyer acceptance of gold-filled material varies. Ask whether the buyer processes GF items, what minimum lot or marking requirements apply, and how testing and deductions affect the net quote.

Start with the current spot price, convert it to a per-gram 24K rate, then multiply by 100 grams, by the 1/20 gold-alloy ratio, and by the 14K purity fraction. The result is a theoretical melt value before buyer deductions.

A marked vintage GF pocket watch case may have recoverable gold-layer value after the movement and other non-GF parts are excluded. The estimate depends on the marked layer ratio, layer karat, eligible weight, condition, and buyer process.