Found 1 comment on HN
That's an American web-site. His books are in metric.

http://www.amazon.co.uk/Gordon-Ramsays-Ultimate-Cookery-Cour...

Click "search inside." Everything is in grams.

edit: That web-site isn't even associated with the chief. It is just some fan site. Here is a legit web-site and it is all in grams: http://www.channel4.com/4food/recipes/chefs/gordon-ramsay/go...

Get dozens of book recommendations delivered straight to your inbox every Thursday.