Reptile Calculators & Care Tools
These free reptile calculators and care tools turn your pet's weight, age and setup into practical numbers. Every tool runs in your browser, shows how it works and lists its sources.
Feeding
Snake Feeding Calculator
Prey size and feeding schedule from your snake’s weight.
Lizard Insect Feeding Calculator
How many insects per feeding, how often, and what to buy each week.
Dubia Roach Colony Calculator
How many breeding females you need to feed your reptiles from your own colony.
Crested Gecko Diet Mix Calculator
How much water to add to Pangea, Repashy and other powdered gecko diets.