18K Gold Price
Precious-metal pricing and unit conversion for global users.
data depends on the public market-data endpoint and may be delayed or unavailable.
Related precious-metal tools
18K gold price
18K gold contains 75% pure gold by mass. Use this page to understand its value relative to higher-karat gold.
How it works
Enter your values, choose the relevant units or options, and review the calculated result. For financial and market tools, displayed figures are calculations and can differ from provider quotes, fees, spreads, taxes or local rules.
Frequently asked questions
What is 18K gold purity?
18K gold is 18 parts gold out of 24, equal to 75% gold by mass.
How does 18K compare with 24K?
For the same weight, 18K contains 75% as much pure gold by mass as 24K, before premiums and other costs.
Why is 18K widely used in jewellery?
Its alloy content can provide greater hardness and different colours while retaining a substantial amount of gold.