Pure 999 Fine Silver Calculator — Per-Gram Melt Value

999 silver — also called "fine silver" or "three nines fine" — is 99.9% pure silver. The remaining 0.1% is trace impurities (typically copper or lead) that even the best refining can't fully remove. Stamps: 999, .999, FINE SILVER, or 99.9.

It's the global standard for investment-grade silver bullion: coins like the American Silver Eagle, British Britannia, Austrian Philharmonic, plus bars from refiners like PAMP, Valcambi, and Royal Canadian Mint. Industrial users (electronics, solar cells, medical devices) also work in 999.

You'll occasionally see 9999 silver (99.99% pure, "four nines") on premium coins like the Royal Canadian Mint's Silver Maple. The extra 9 is a marketing differentiator more than a meaningful purity bump — both are functionally indistinguishable for investment purposes.

Pure silver is mechanically weak. Vickers hardness for 999 silver is around 25 HV — softer even than annealed copper (~50 HV) and dramatically softer than sterling silver (about 80 HV) or gold alloys.

What that means in practice:

• Rings deform under finger pressure within weeks. They oval, dent, and lose any engraved detail.
• Chains stretch under their own weight if worn daily, eventually parting at the weakest link.
• Prong settings fail — 999 prongs bend if you brush a doorframe. Stones fall out.
• Scratches accumulate immediately from normal contact with surfaces.

That's why jewelry uses sterling silver (925) almost universally — the 7.5% copper alloy roughly triples the hardness while keeping the silver color and most of the value. The trade-off is that sterling tarnishes faster than 999 (more reactive copper exposed), but that's repairable; structural failure is not.

Rare exception: Some Asian markets (notably Thailand and parts of China) sell soft 999 silver jewelry as a wealth-preservation tool — bought by weight, worn for special occasions, melted down for resale. Outside that context, jewelry sold as "pure silver" is usually a red flag for misrepresentation or actual sterling.

Pricing 999 silver is straightforward — it's the cleanest scrap and the highest payout per gram of any silver form.

Example: A 1 oz (31.1g) Silver Eagle at a silver spot price of $48/oz works out to:

• Spot per gram: $48 ÷ 31.1035 = $1.543/g
• Pure silver in the coin: 31.1g × 0.999 = 31.07g
• Melt value: 31.07g × $1.543 = $47.95 (≈ $48, as expected for a 1 oz coin)

What you'll actually get when selling:

• Recognized government bullion (Eagles, Maples, Philharmonics): Spot + 1–3% premium. Dealers want these — they resell at retail premiums of 10–20%.
• Generic 999 bars and rounds (PAMP, Sunshine, etc.): Spot to spot + 1%. Slightly less liquid than government coins.
• 999 scrap (broken jewelry, industrial offcuts): 90–98% of spot, depending on quantity.

Avoid pawn shops for 999 bullion — they'll typically offer 60–80% of spot. A specialized bullion dealer or APMEX-style online buyer is almost always the better channel.