Welcome to BritanniaCoins.info, site dedicated to UK Britannia coins.

Dimensions of gold Britannia:

One ounce: diameter 32.69 mm, (31.104 g).

Half ounce: diameter 27.00 mm, (15.552 g)

Quarter ounce: diameter 22.00 mm,(7.776 g)

Tenth ounce: diameter 16.50 mm, (3.110 g)

Dimensions of silver Britannia:

One ounce: diameter 40 mm, (31.1 g).

Half ounce: diameter 27.00 mm, (15.5 g)

Quarter ounce: diameter 22.00 mm, (7.7 g)

Tenth ounce: diameter 16.50 mm, (3.1 g)