if you don't actually know which hops they are, you are not able to do this calculation. I say just use them and RDWHAHB! I'm 100% positive adding more hops will make you happier.
Fiddle Barn Brewing
Primary: Dry Cider
Bottled: Extra Stout, Graff, Imperial Stout, HopWeizen Belgique, Cider, In Time Out of Tune Ale
Kegerator: Summer, Cider, Saaz Who