Are bar and jewellery weights interchangeable?

Use the product-specific weight: 15.244 g for a bar and 15.16 g for jewellery.

Why did Thailand choose 96.5%?

The reviewed evidence establishes the stated standard, not its historical origin.

Gold bar

1 baht weight = 15.244 g.Source: Gold Traders Association, weight table · Checked: 2026-10-25

Gold jewellery

1 baht weight = 15.16 g.Source: Gold Traders Association, weight table · Checked: 2026-10-25

Purity conversion

0.965 × 24 = 23.16K.Source: DPIM purity convention; arithmetic derivation · Checked: 2026-10-25

Are bar and jewellery weights interchangeable?: Use the product-specific weight: 15.244 g for a bar and 15.16 g for jewellery.
Why did Thailand choose 96.5%?: The reviewed evidence establishes the stated standard, not its historical origin.