What is the weight of British coins?

The weight of currently circulating British coinage is as follows:

One pence: 3.56g

Two pence : 7.13g

Five pence : 3.25g

Ten pence : 6.50g

Twenty pence : 5.00g

Fifty pence : 8.00g

One pound : 9.50g

Two pound : 12.00g

Five pound : 28.28g