How Much Does a Gold Bar Weigh?

From tiny minted 1g bars to the massive 12.5kg Good Delivery bars used by central banks, gold bar weights vary widely. Understanding these standards helps investors choose the right product for storage, resale, and long‑term wealth protection.

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Understanding Gold Bar Weights

The weight of a gold bar determines its value, storage requirements, premium, and liquidity. There is no “one size fits all” – each weight class serves a different market.

PHOTO: 1KG BAR ON DARK BACKGROUND

Standard Gold Bar Weights (Global)

Gold is measured using troy ounces, not ordinary ounces. 1 troy ounce = 31.1035 grams.

Gold Bar Size Grams Troy Ounces Purity Use Case
1g1g0.03299.9%Gifts, beginners
5g5g0.1699.9%Entry investors
10g10g0.3299.9%Savers
20g20g0.6499.9%Private buyers
50g50g1.6099.9%Growing investors
100g100g3.2199.9%Popular standard
250g250g8.0499.9%Bulk buyers
500g500g16.0899.9%High‑value buyers
1kg1000g32.1599.9%Most preferred worldwide
Good Delivery12,500g40099.5%Central banks

Small Bars (1g–100g)

Small bars offer flexibility and low entry cost. They’re easy to buy, store and resell, making them perfect for new investors or those building gold savings gradually.

  • Highly affordable
  • Portable and easy to store
  • Higher premium per gram due to manufacturing
PHOTO: 1G–100G GOLD BARS

The 1kg Gold Bar (Investor Standard)

The 1kg bar is the world’s most popular unit for serious gold investors. It balances affordability, liquidity, and strong resale value.

  • Weight: 1000g (32.15 troy oz)
  • Purity: 99.9–99.99%
  • Ideal for high‑net‑worth individuals, vault storage, and long‑term wealth planning
PHOTO: INVESTOR HOLDING 1KG BAR

The Good Delivery Bar (12.5kg)

The largest gold bar used in global finance. These bars are traded only in major vaults and are rarely handled by retail investors.

  • Weight: 12.5kg (400 troy oz)
  • Purity: 99.5% minimum
  • Used by central banks, sovereign funds, major refineries
PHOTO: 12.5KG GOLD BAR IN VAULT

Dimensions of Gold Bars

Bar TypeDimensionsWeight
1g10mm × 8mm1g
10g31mm × 18mm10g
100g45mm × 25mm100g
1kg117mm × 53mm × 8–10mm1000g
12.5kg250mm × 70mm × 35–45mm12,500g
PHOTO: GOLD BARS WITH RULER & SCALE

Gold Testing: Ensuring True Weight & Purity

Nile Gold Trading performs independent tests on every transaction.

  • XRF analysis: instant purity reading
  • Fire assay: highest accuracy (optional)
  • Digital weighing: verified against standards
  • Physical stamping: serial number, refinery marks
PHOTO: LAB TECH USING XRF MACHINE

Buy Certified Gold Bars from Uganda

Nile Gold Trading supplies tested and certified gold bars from licensed East African mines, available for export to Dubai, Europe, Asia, Turkey, and worldwide.

Email: info@nilegoldtrading.com
WhatsApp: +256 XXX XXX XXX

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