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18K Gold price per gram

18K Gold is 75.00% pure gold (fineness 750). At today's spot of $4,156.70/troy oz it's worth $100.23/gram.

Gold$4,156.70 /oz Silver$64.96 /oz Updated Jun 19, 2026, 11:44 PM Live

Per gram

$100.23

Per pennyweight

$155.88

Per troy ounce

$3117.53

18K Gold calculator

Estimated melt value
$501.15
18K Gold · 75.00% pure · 5 grams · $100.23/gram
Dealers typically pay 60–90% of melt · why →

Frequently asked

How much is a gram of 18K Gold?

$100.23 per gram at a spot of $4,156.70/troy oz — spot ÷ 31.1035 × 75.00% purity.

How much is a pennyweight of 18K Gold?

$155.88 per pennyweight (dwt). One pennyweight = 1.555 grams.

How much is a troy ounce of 18K Gold?

$3117.53 per troy ounce — the spot price ($4,156.70) × 75.00% purity.

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