Because of the international nature of the team, there is some confusion about what our body masses are. 1 UK pound is exactly the same as 1 USA pound. And 1kg is around 2.2lb. Here is a lookup table to help you understand the different conversations. If you want a more precise conversion there are many tools on the web that can do it. e.g. Convert between kilograms and stones & pounds.
|pounds (lb)||stone||kilograms (kg)|