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Ounce Gram
Gold £1219.49 £39.208
Silver £18.269 £0.5874

Updated 00:58 09/03/21

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Density of silver

Silver has a density of 10.49 grams per cubic centimetre. This makes it less dense than Gold, which is one of the densest elements at 19.32 grams per cubic centimetre. The density difference means that an ounce of gold would be almost half the size of an ounce of silver.

Density can be defined as the ratio between an object’s mass and volume. Scientifically, this would be the 'unit mass per unit volume', and is usually quoted in grams per cubic centimetre.

This is also known as ‘specific gravity’, which is a unified ratio of density with water. Silver’s specific gravity is 10.49. This means that you would need more than ten times the equivalent volume of water to have the same weight in silver, as illustrated below:

A visualisation of how much water you would need to achieve the same mass as a cube of silver.

Fine silver, rated at 99% purity, is soft and easily damaged. For practical use it is usually hardened by mixing with other metals. Silver alloys, like Sterling Silver, still have a bright attractive lustre but do tarnish.

Silver alloys are classified in terms of parts per 1,000. In this millesimal system, pure silver is 999, Britannia silver is 958 and Sterling silver is 925, which means 925 parts in 1,000 parts are pure silver. Hallmarks on silver follow this system and Sterling silver, for example, is stamped with the number 925.

These alloys will have different densities to pure silver, dependant on the different metals used.

Silver density chart

Below is a table showing the density of silver in a number of useful measurement types: