Dog Genetics & Breed Calculators

Answer five questions about your home and lifestyle to find which dog breeds are most suited to you.

Estimate the coefficient of inbreeding (COI/F) for a planned dog mating based on the relationship between the breeding pair.

Predict Dachshund puppy coat colors and patterns — with a critical double dapple warning system built in.

Calculate what percentage of each breed makes up your mixed breed or crossbred dog based on parentage.

Find the best dog breed for your lifestyle — filtered by size, energy level, coat type, and primary role.

Predict probable puppy coat colors from parent genotypes using Mendelian genetics for the B and D loci.

Calculate the COI (coefficient of inbreeding) impact of a line breeding plan and assess the genetic concentration on a specific ancestor.

Estimate litter size, predict whelping date, calculate COI, and plan all aspects of an upcoming litter from breeding to puppy placement.

Calculate the probability of each genotype and phenotype in a dog litter using a Punnett square for any single gene trait.

Predict French Bulldog puppy colors — including fawn, brindle, pied, blue, chocolate, and the new rare colors — with health warnings for at-risk combinations.

Predict Great Dane puppy colors — including harlequin, merle, brindle, fawn, and mantle — with double merle health warnings.

Predict Labrador Retriever puppy coat colors — black, chocolate, or yellow — from the parent coat colors using B and E locus genetics.

Predict American Pitbull Terrier and Staffordshire Terrier puppy coat colors — from blue and fawn to brindle and merle — with merle health warnings.