Finance

Gold Melt Value Calculator

Calculate the raw gold value of jewelry, coins, or scrap based on weight and karat purity.

Per troy ounce
Formula:
Melt Value = Weight (troy oz) × Purity % × Spot Price
1 troy oz = 31.1035 grams
1 dwt = 1.555 grams

Gold Karat Purity Chart

KaratPurityGold Content
24K99.9%Pure gold
22K91.7%Common in Asian jewelry
18K75.0%Fine jewelry standard
14K58.3%US jewelry standard
10K41.7%Minimum for "gold" in US