Big Block 400 stroker .060 what CID ???

I'm using the 440 scat pack H beam rods 6.768 as to the 400 6.385 So 400 std. bore = 440 + .020"; 400 +.010" = 440 + .030", etc.
426 bore & stroke includes "street wedge", Max Wedge (Ramcharger) & 426" hemi.