18K gold price per gram calculator

18K GOLD · PER GRAM

$94.14

75% fine gold · nominal 18/24

Spot price · Nov 2, 1:22 PM UTC · gold-api.com

1 pennyweight
$146.40
1 troy ounce
$2,928.00

Value your 18K gold

Fixed to 18K. Exclude stones, filler and non-gold components from your scale weight.

Gold price: $3,904.00 per troy ounce

Spot price · Nov 2, 1:22 PM UTC · gold-api.com

YOUR METAL WEIGHT

$941.37

7.5 g fine gold

18K gold by weight

Net 18K alloy · current gold quote shown above
WeightFine gold (g)Melt value
1 g0.75$94.14
1 dwt1.166$146.40
2 g1.5$188.27
5 g3.75$470.69
10 g7.5$941.37
20 g15$1,882.75
1 ozt23.328$2,928.00

18K versus 14K gold content

Illustrative 5 g net alloy · equal weight, different gold fraction
KaratFine gold (g)Metal value
14K2.917$366.09
18K3.75$470.69

18K and 750 describe 75% gold

Eighteen parts gold out of 24 equals 750 parts per thousand. The 18K and 750 choices therefore give the same gold content for a confirmed solid alloy.

For 10 g of 18K alloy, 7.5 g is fine gold. Stones, springs and other separate components must be excluded before entering the net weight.

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