International · Gold bars by weight
1 oz gold bar
For a 1 oz gold bar, declared weight, fineness and refiner are the starting points for comparison. Size alone does not determine purity or the current selling price.
Gold uses the troy ounce, approximately 31.1035 g, rather than the everyday ounce of approximately 28.3495 g. Compare a 1 oz bar with a 1 oz bullion coin using declared fine-gold content, not necessarily gross weight.
Editorial update:
Understand the product specifications
- Weight / reference size
- 1 oz · ≈ 31.1035 g · ≈ 1 oz t
- Product type
- Gold bar
- Fineness
- Verify in the specific manufacturer listing
This page describes a product format. Manufacturer, issue year, fineness and availability depend on the specific listing.
Compare sizes and editions
The reference size is 1 oz, approximately 31.1035 g or 1 troy ounces. For coins, this comparison refers to the 1 oz edition; fractional sizes are separate variants. Always verify the listing’s weight and fineness. Gold uses the troy ounce, approximately 31.1035 g, rather than the everyday ounce of approximately 28.3495 g. Compare a 1 oz bar with a 1 oz bullion coin using declared fine-gold content, not necessarily gross weight.
Calculate the price per gram
Divide the delivered price by declared fine-gold weight. Illustrative arithmetic, not a market quote: at 100 USD per gram of fine gold, 31.1035 g gives a hypothetical metal value of 3,110.35 USD. A real offer adds a premium and delivery. If the stated weight is gross weight, calculate fine-gold weight first.
Use troy ounces for bullion quotes and grams for metric bar comparisons. A price quoted in another currency must be converted at the same point in time before comparing premiums.
Buying and delivery · International
Use this international English guide to compare the underlying product before choosing a country. A worldwide reference page does not imply worldwide shipping or the same offer in every market.
Choose the destination country before comparing sellers. Keep the quote currency consistent, check insured cross-border delivery and include any conversion, import or payment costs confirmed by the seller.
Products in this size
Offers and buying sources
Select a country below for the corresponding buying context. Offers, delivery and marketplace access depend on that destination.
Frequently asked questions
What is the weight of a 1 oz gold bar?
The reference size is 1 oz, approximately 31.1035 g or 1 troy ounces. For coins, this comparison refers to the 1 oz edition; fractional sizes are separate variants. Always verify the listing’s weight and fineness.
Why is there no fixed price?
The selling price depends on the gold market, refiner, seller, premium and delivery. An example amount is not a current offer. The seller’s price at purchase is authoritative.
How do I check a specific product?
Match weight, fineness, refiner or mint, issue year and packaging to the official source. A photo or certificate alone does not replace verification by a trustworthy supplier.