Mr Malty Yeast Calculator

Mr. Malty Pitching Rate Calculator is an official port of Jamil
Zainasheff's online calculator which helps homebrewers calculate an
optimal amount of yeast to add to wort when making homebrew beer.  

The application lets you specify if you are brewing an ale or a lager,
what your original gravity will be.  Then based on the the source of
your yeast, will help you decide how much yeast to pitch, and how big
of a yeast starter to make, when appropriate.

Find more great homebrew information from Jamil on http://www.mrmalty.com