18K Gold Value — Melt Price by Weight (Live Spot, USD)

Gold Value Calculator

$/troy oz

Adjust this price to project a future value. 24K per troy oz.

Total gold value$1087.30

Current 18K price • $108.73/gram • $3381.88/oz

Est. offer at%:$543.65

Formula: weight × karat multiplier × spot price. 14K = 0.585, 18K = 0.75, 10K = 0.417.

Same USD spot basis as the estimates on this page. Adjust weight, unit, or karat to explore scenarios.

About 18K gold & today's melt reference

18K is 75.0% gold by weight. Typical uses include fine jewelry, luxury pieces. The numbers below use the same live USD spot as the calculator above; fixed-weight pages use the same basis for a quick table readout.

Melt (approx) / gram
$108.74
Melt (approx) / troy oz
$3,382.13

Spot as used on this site · May 23, 2026, 12:00 AM · not a purchase offer.

Popular 18K weights

Open a ready-made page for a typical jewelry weight—same formulas as the calculator.

1g melt5g melt10g melt20g melt

All melt weights & pennyweights (18K)

Open a section to browse every melt-value page for this karat (same spot basis as the rest of the site).

Grams — light (0.5–10 g) (20 pages)
0.5g1g1.5g2g2.5g3g3.5g4g4.5g5g5.5g6g6.5g7g7.5g8g8.5g9g9.5g10g
Grams — medium (11–50 g) (40 pages)
11g12g13g14g15g16g17g18g19g20g21g22g23g24g25g26g27g28g29g30g31g32g33g34g35g36g37g38g39g40g41g42g43g44g45g46g47g48g49g50g
Grams — heavy (55–200 g) (30 pages)
55g60g65g70g75g80g85g90g95g100g105g110g115g120g125g130g135g140g145g150g155g160g165g170g175g180g185g190g195g200g
Grams — bulk (250–500 g) (6 pages)
250g300g350g400g450g500g
Pennyweight (dwt) (40 pages)
0.5 dwt1 dwt1.5 dwt2 dwt2.5 dwt3 dwt3.5 dwt4 dwt4.5 dwt5 dwt5.5 dwt6 dwt6.5 dwt7 dwt7.5 dwt8 dwt8.5 dwt9 dwt9.5 dwt10 dwt10.5 dwt11 dwt11.5 dwt12 dwt12.5 dwt13 dwt13.5 dwt14 dwt14.5 dwt15 dwt15.5 dwt16 dwt16.5 dwt17 dwt17.5 dwt18 dwt18.5 dwt19 dwt19.5 dwt20 dwt

Jewelry type (18K)

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