Free tools

Free tools for dog breeders

Practical, no-signup calculators built on established canine reproduction and veterinary-nutrition protocols, each one cross-checked against peer-reviewed and clinical sources. Use them free, and keep every result organized in BreedTracker when you’re ready.

Reproduction

Progesterone & Ovulation Calculator

Enter serial progesterone (P4) results to estimate the LH surge, ovulation, the optimal breeding window for fresh or frozen semen, whelping date, and elective C-section timing.

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Reproduction

Pregnancy & Due-Date Calculator

Get an accurate whelping date from ovulation, the LH surge, or the breeding date, plus the ultrasound, X-ray litter-count, and temperature-monitoring windows.

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Puppy health

Vaccination & Deworming Schedule

Turn a litter's date of birth into a dated, printable schedule for every core vaccine, rabies, and deworming, built on AAHA 2022 and CAPC guidelines.

Generate schedule

Whelping

Whelping Kit Checklist

Tick off everything for the whelping box, delivery, and newborn care, then download a clean one-page PDF to print and pin up. Includes how to read the pre-labor temperature drop.

Open checklist

Nutrition

Pregnant & Nursing Dog Calorie Calculator

Estimate how much to feed the dam through pregnancy and lactation, daily calories and cups by week of pregnancy or litter size, from RER-based veterinary formulas.

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In development

More tools on the way

A puppy growth & weight-gain tracker and a litter-cost calculator are in the works. Want one sooner? Tell us.