How Heavy Is a 400 oz Gold Bar?
a 400 oz Gold Bar weighs about
12.4 kg (27.4 lb)
- a 400 oz gold bar12.4 kg
London Good Delivery gold bar, approximately 400 troy ounces of fine gold
- a bowling ball7.26 kg
heaviest ball allowed in tenpin bowling (16 lb); USBC sets no minimum weight
- a domestic cat4.5 kg
adult domestic cat (Felis catus); males larger; range 4.1–5.4 kg
- a gallon of water3.78 kg
1 US gallon (3.785 412 L) of pure water at 4 °C
- You
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Put it in perspective
- About 1.7× a bowling ball
- About 2.8× a domestic cat
- About 3.3× a gallon of water
Sources
[1] London Bullion Market Association
About Good DeliveryStandard body
“The requirements for a Good Delivery listed bar (of approximately 400 troy ounces for gold and 1,000 troy ounces for silver) cover:”
Value as published: approximately 400 troy ounces (gold) · accessed 2026-11-11.
Last updated 2026-11-11.Report a correction (please include a source link).
Related objects
- a 1 kg gold bar1 kg (2.205 lb)
- a half dollar11.34 g (0.025 lb)
- a 2 euro coin8.5 g (0.01874 lb)
- a dollar coin8.1 g (0.01786 lb)
- a 1 euro coin7.5 g (0.01653 lb)
- a quarter5.67 g (0.0125 lb)
Frequently asked questions
How much does a 400 oz gold bar weigh?
a 400 oz Gold Bar weighs about 12.4 kg (27.4 lb) — London Good Delivery gold bar, approximately 400 troy ounces of fine gold.
How much is a 400 oz gold bar in pounds and ounces?
27.4 lb, which is 439 oz. In metric terms: 12.4 kg.
Is a 400 oz gold bar heavier than a bowling ball?
Yes. a 400 oz Gold Bar weighs about 12.4 kg (27.4 lb), while a bowling ball is about 16 lb (7.26 kg) — roughly 1.7×.
Where does this number come from?
Every source is listed at the bottom of this page with publisher, link, access date and a verbatim quote. Numbers are only published when a qualifying source can be verified.