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Gold Price Calculator

Calculate the melt value of gold jewelry, coins, or bullion by karat and weight. Enter a spot price or use the default.

Gold Details

Enter karat, weight, and spot price

Karat / Purity

Weight

Weight Unit

Gold Spot Price ($/troy oz)

Currency

Gold Purity 75.00%

Karat Purity Reference

24 Karat

99.9%

18 Karat

75.0%

14 Karat

58.3%

10 Karat

41.7%

Gold Purity Bar

75.0% pure gold

Gold Value

—

melt value

Pure Gold Weight

—

grams of pure gold

Value per Gram

—

at this karat

Weight in Troy Oz

—

troy ounces

Gold Formulas

Karat Purity

K ÷ 24 × 100

Pure Gold Weight

W × purity%

Troy oz to Grams

1 oz = 31.1035 g

Value

pureOz × spotPrice