Free chicken-breeding calculators

No signup — handy tools for chicken keepers and breeders.

• Chicken Inbreeding (COI) Calculator

  Pick how two birds are related and see how inbred their chicks would be.

• Chicken Hatch Date Calculator

  Set date in → candling, lockdown, and hatch dates out (chickens, bantams, ducks, quail…).

• Egg Color Calculator

  What color eggs will a cross lay? Predict it from the parents' egg colors.