Precious Metals & Bullion

How many troy ounces of fine gold are in 100 grams of 9K gold?

⚡ Instant Calculated Answer

100 grams of 9K gold contains exactly 37.5 grams (1.2057 troy ounces) of pure fine gold, with an intrinsic scrap melt value of approximately $3,255.39 USD at $2,700/oz t.

1.2057 oz t Primary Metric
37.5 g Fine Au Secondary Metric

📐 Mathematical Formula & Step-by-Step Substitution

\[ W_{fine} = W_{gross} \cdot \left(\frac{9}{24}\right) = 100 \cdot 0.3750 = 37.5 \text{ g} = 1.2057 \text{ oz t} \]
Fine_Weight = 100g * (9/24) = 37.5g = 1.2057 oz t
  1. Determine fineness ratio of 9K gold: 9 / 24 = 0.3750 (or 375.0‰ millesimal fineness).
  2. Multiply gross weight by fineness: 100 g × 0.3750 = 37.5 grams of fine elemental gold (Au).
  3. Convert grams to troy ounces (1 oz t = 31.1034768 g): 37.5 / 31.1034768 = 1.2057 troy ounces.
  4. Convert grams to tolas (1 tola = 11.6638 g): 37.5 / 11.6638 = 3.2151 tolas.

📊 Nearby Parameter Reference Table

Gross Weight Fine Gold (g) Fine Gold (oz t) Melt Value ($2,700/oz)
50 g 18.75 g 0.6028 oz t $1,627.56
80 g 30.0 g 0.9645 oz t $2,604.15
100 g 37.5 g 1.2057 oz t $3,255.39
120 g 45.0 g 1.4468 oz t $3,906.36
150 g 56.25 g 1.8085 oz t $4,882.95
200 g 75.0 g 2.4113 oz t $6,510.51
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