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Currency, Gold & Crypto · United States

Gold Value Calculator

Updated on 22 Oct 2026 · Checked by Aotob

20 g of 18k gold is worth about $1,929 at today’s price.

It contains 15 g of pure gold. Expect offers around $1,447.

Weigh it on kitchen scales; 1 oz = 28.35 g, 1 troy oz = 31.1 g

Price of one troy ounce of gold today; check a live price

Share of melt value a buyer pays

Melt value

$1,929

Pure gold content15 g
Price per gram of pure gold$129
Likely cash offer at 75%$1,447

Buyers pay less than melt value to cover refining and profit: 70% to 85% from dealers, often less from pawn shops and mail-in services. Get two or three quotes.

Show the working

20 g × 75% = 15 g ÷ 31.1035 × 4,000 = 1,929

What people ask next

Value by purity

KaratPure goldMelt value
24k19.98 g2,569
22k18.32 g2,356
18k15 g1,929
14k11.7 g1,505
10k8.34 g1,073
9k7.5 g965

Questions people ask

How is gold value worked out?

Weight × purity gives the pure gold; ÷ 31.1035 turns grams into troy ounces; × the price per troy ounce.

What do karats mean?

Parts of gold in 24: 24k is pure, 18k is 75%, 14k is 58.5%, 9k is 37.5%. The stamp is usually inside rings and on clasps.

How much will a buyer pay?

Less than melt value: 70% to 85% from good dealers, sometimes much less from pawn shops or mail-in services. Get several quotes.

Updated 22 Oct 2026Source: Standard maths; typical prices are averages, checked October 2026Checked by AotobEnter today’s gold price; it changes every minute.Report an issue