সোনার ক্যারাটগুলোর মধ্যে পার্থক্য কী?
সার 24K থেকে দৈনন্দিন 14K পর্যন্ত — দেখুন সংখ্যাগুলো ঠিক কী বোঝায়।
Volume visualization
Each droplet = same volume. Gold (19.3 g/cm³) is much denser than silver/copper (≈10.5 g/cm³), so other metals need far more droplets to represent the same weight.
Based on a 10g example · 1 gold droplet = 0.1g gold · Other droplets density-corrected by volume
8K | 33.3 wt%
8 Karat / 333
9K | 37.5 wt%
9 Karat / 375
10K | 41.7 wt%
10 Karat / 417
14K | 58.3 wt%
14 Karat / 585
18K | 75.0 wt%
18 Karat / 750
20K | 83.3 wt%
20 Karat / 833
22K | 91.6 wt%
22 Karat / 916
24K | 100.0 wt%
24 Karat / 999
Gold purity at a glance
Each bar shows how much is pure gold (yellow) vs other metals (grey)
Each karat in detail
Common use: Older European jewelry, fashion jewelry
Common use: Common in UK, Australia, Norway
Common use: Budget jewelry, children's jewelry
Common use: Everyday jewelry, most popular in US & Norway
Common use: Fine jewelry, engagement rings
Common use: Middle Eastern jewelry
Common use: High-end jewelry, Indian bridal gold
Common use: Gold bars, coins, investment gold
🔍 Hallmark reference
Look inside your jewelry for these stamps — they tell you exactly what you have:
| Hallmark | Karat | Gold % | Common in |
|---|---|---|---|
| 333 | 8K | 33.3% | Norway, Germany (older) |
| 375 | 9K | 37.5% | UK, Australia, Norway |
| 417 | 10K | 41.7% | USA, Canada |
| 585 | 14K | 58.3% | USA, Norway |
| 750 | 18K | 75.0% | Europe, fine jewelry |
| 833 | 20K | 83.3% | Middle East |
| 916 | 22K | 91.6% | India, Middle East |
| 999 | 24K | 100.0% | Bullion, investment |