Question about Wheat Extract in Calculators

[hagbardceline]

I'm currently using BeerAlchemy. When selecting extract they have a selection for Bavarion Wheat Dry Extract. I'm guessing this would correspond to 100% wheat extract even tho it is rarely sold that way?

Thanks

Also: Is there anyway to predict wort volume after boil?

 

[homebrewer_99]

Most wheat DME comes either 60/40 or 55/45.

The only way to calculate end of boil volume EXACTLY is to top off.