Incubation Timeline Calculator Guide

The Incubation Timeline Calculator takes your egg lay date and species to produce a hatch window with a plus-or-minus 3-day range, along with a weekly check schedule.


How to use it:

  • Enter the date your eggs were laid
  • Select the species (default: Ball Python)
  • Enter incubation temperature in Fahrenheit
  • Click Calculate to see your hatch window and check schedule

    • Species incubation ranges:

  • Ball Python: 55-60 days at 88-90F
  • Corn Snake: 55-65 days at 80-84F
  • Leopard Gecko: 45-55 days at 80-90F (temperature-dependent sex determination)
  • Boa Constrictor: Live-bearing, ~105 days gestation

    • Incubation tips:

  • Maintain 90-100% humidity inside the egg container
  • Use vermiculite or perlite at a 1:1 ratio with water by weight
  • Never rotate eggs once positioned in the incubation medium
  • Check weekly with minimal lid openings to maintain stable conditions

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