Husbandry Calculators

A collection of completely free, open-access tools designed to take the guesswork and math out of keeping and breeding exotic pets.

Substrate Calculator

Estimate the exact volume and weight of substrate needed for your terrarium or bioactive vivarium based on enclosure dimensions.

Monitor your reptile's lighting effectiveness based on industry degradation rates and calculate exactly when to replace your bulbs.

Calculate your reptile's weight gain in grams per day and compare it against industry baselines for optimal health and feeding frequency.

Calculate the financial feasibility, break-even horizon, and long-term annual savings of breeding your own feeder insects vs. buying retail.

Automatically generate Punnett squares and calculate exact clutch probabilities for simple recessive morphs and traits.

Clutch Keeper automates growth tracking, feeding schedules, and genetics for your entire collection. Join the beta waitlist to get early access.