How much does a gold sovereign weigh?

A guide on how to sell gold Sovereigns

How much does a gold sovereign weigh? It’s a frequently asked question, so let’s answer it!

  • Modern gold Sovereigns weigh 7.98g
  • They are minted in 22ct gold and contain 7.32g of pure gold

The very first gold sovereign was minted in 1489, during the reign of Henry VII. This coin was a very different coin to the ‘modern’ sovereign we are familiar with today. They weighed 240 grains, or half a troy ounce (15.55g), that’s almost twice the weight of the modern version.


The grain was the legal foundation for the traditional English weight system and was based around the weight of one single grain of barley. One grain is the equivalent of 0.06479891g.

Troy Ounce

The troy ounce is part of the troy weights system, primarily used for precious metals & imperial unit. It’s important not to confuse troy ounces with imperial ounces, which is part of the avoirdupois system. There are 12 troy ounces in a troy pound and 16 imperial ounces in an imperial pound.

The weight of a modern gold sovereign

The weight of the modern sovereign was defined according to the coin act of 1816 and has remained consistent from the first mintage in 1817 to the present day.

Accordingly, the precise weight of a freshly minted British gold sovereign sovereign is 7.98805g, minted in 22ct gold. Its gold content is 7.322381g , 113.0016 grains or 0.235420 troy ounces.

A sovereign could remain legal tender so long as it remained above its legal minimum weight of 7.93787g, after which, a coin would be removed from circulation and re-coined (melted down and made into a new coin).


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