Gold Purity
75.00
%
18K = 75% pure gold
💍 Common Karat Values
📊 Karat to Purity Reference
KaratPurity (%)Fineness (‰)Common Use
24K99.9%999Pure gold, investment
22K91.67%917Gold coins, jewelry
21K87.5%875Middle Eastern jewelry
18K75.0%750Fine jewelry (US/Europe)
14K58.33%583Durable jewelry (US)
10K41.67%417Minimum legal (US)
9K37.5%375UK standard
8K33.33%333Minimum (Germany)
✨ About Gold Karats
💎 24K = 100% pure gold (too soft for most jewelry)
🔨 Alloy metals: copper, silver, zinc, palladium
🎨 Color depends on alloy: yellow, white, rose, green
📏 Higher karat = softer, more valuable, more yellow
💍 3 purity formats
📊 Instant karat lookup
🎯 Precise calculation
🔄 Instant swap