Sorry, here is the link:
http://www.victoriassecret.com/bras/how-to-measure
Edit: Actually in this link they say to round down if your underbust measurement is odd but this is the only guide I've ever read that has advised me to do that. Most say round up. Either way a 34AA is more comfortable for me than a 32A.
http://www.victoriassecret.com/bras/how-to-measure
Edit: Actually in this link they say to round down if your underbust measurement is odd but this is the only guide I've ever read that has advised me to do that. Most say round up. Either way a 34AA is more comfortable for me than a 32A.