I wouldn't think the calculator does, unless it asks for the time of the whirlpool. And your question keyed me on another idea as to why the "no mid-boil hops" camp came to be: Hops continue to isomerize at above 170 to 180 degrees F. So if you're putting your "10-minute" addition in, then whirlpooling for 10 minutes, your "10-minute" addition just became a 20 minute addition with attendant degradation of the volatile oils. The whirlpool addition wouldn't do much for the 60-minute hops, the extra ten minutes hardly increases the utilization. But it would have a profound impact on shorter boil adds. So maybe I've contradicted myself: Maybe the "no mid-boil hops" camp is on to something, assuming they do a whirlpool for every brew.