Gold Price Per Gram Calculator
Calculate the live melt value of a single gold item by weight and purity, then estimate what a buyer may offer.
LivePure gold $137.18 per gram · Updated Sep 27, 2026, 10:34 PM
Item details
40%70%100% of melt
Result
Full melt value
$1,152.29
Estimated buyer offer at 80%$921.83
Gross weight12.400 g
Non-gold weight1.200 g
Net metal weight11.200 g
Purity75.00% · 750
Fine gold content8.400 g
Price per gram (18K) $102.88
Buyer deduction−230.46
How the Gold Price Per Gram Calculator Works
How this is calculated
01Gross weight − non-gold weight11.200 g
02Net weight × purity (750 fine)8.400 g fine
03Spot ÷ 31.1034768 g per oz t$102.88 / g
04Fine grams × price per gram$1,152.29
05Melt value × buyer payout (80%)$921.83
Gold Purity by Karat
| Karat | Purity | Stamp | Per gram |
|---|---|---|---|
| 24K | 99.9% | 999 | $137.04 |
| 22K | 91.67% | 916 | $125.75 |
| 21K | 87.5% | 875 | $120.03 |
| 18K | 75% | 750 | $102.88 |
| 14K | 58.33% | 585 | $80.02 |
| 10K | 41.67% | 417 | $57.16 |
Karat · Purity · Stamp · Per gram
24K
$137.0499.9% · 999
22K
$125.7591.67% · 916
21K
$120.0387.5% · 875
18K
$102.8875% · 750
14K
$80.0258.33% · 585
10K
$57.1641.67% · 417