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Well, i have three calculator methods (one of which uses a constant, so it can be adjusted to match a known good 1/8 and 1/4 pass), a chart on my phone, (referenced above) and the wallace calculator.
I havent tried the one you mention, but i will.
None of the five i have will give the same answer. Just like "a man with one watch knows what time it is, a man with two isnt sure". LOL.
Agree. I have 4 that i use and they all are slightly different. Just comparing my ET slips for kicks to see who actually "nailed it", easycalculations always comes within a couple hundreths. The only TRUE way to convert 1/8 to 1/4 is ..... just run the 1/4 and look at the ET slip !!!! LOL :D