Blood Type Calculator

Blood Type Calculator. Do you need a quick and easy to use blood type calculator to see what your baby blood group can be? No problem, here it is. Simply enter mother and father's blood type to get the result in no time: Four possible blood groups: A B AB 0 Each of these groups is either Rh positive or Rh negative. Blood Donor Calculator Included. No fuss calculator. Does what it says on the tin.