Question 1

How long do gecko eggs take to hatch?

Accepted Answer

It depends heavily on species and, for some species, temperature. Leopard gecko eggs hatch in 35–89 days (temperature-dependent). Crested gecko eggs take 60–120 days. Tokay gecko eggs take 60–80 days, Day gecko eggs take 45–90 days, and Fat Tail gecko eggs (both African and standard) take 55–75 days.

Question 2

How do I calculate my gecko's hatch date?

Accepted Answer

Select your species from the calculator above and enter the lay date, or use our dedicated calculators for leopard geckos and crested geckos for temperature-specific estimates.

Question 3

Which gecko species has the fastest incubation?

Accepted Answer

Leopard geckos incubated warm (around 90°F) can hatch in as few as 35 days — the fastest incubation among commonly kept gecko species.

Question 4

Which gecko species has the slowest incubation?

Accepted Answer

Crested geckos incubated at cool room temperature can take up to 120 days — the slowest incubation among commonly kept gecko species, though this also means no dedicated incubator is required.

Question 5

Do all geckos use temperature-dependent sex determination?

Accepted Answer

No. Leopard geckos are a well-documented TSD species where incubation temperature determines hatchling sex. Crested geckos and several other commonly kept species do not show strong TSD, so temperature mainly affects incubation speed rather than sex ratio.

Question 6

What humidity do gecko eggs need?

Accepted Answer

Most commonly kept gecko species do well around 80% humidity during incubation, though exact needs vary by species — check the species-specific calculators linked above for details.

Question 7

How do I care for a gecko hatchling?

Accepted Answer

Housing and diet vary meaningfully by species — insectivorous geckos like leopard and tokay geckos need appropriately sized feeder insects dusted with calcium, while crested geckos can be raised largely on a commercial crested gecko diet powder.

Question 8

How does gecko incubation compare to other lizards?

Accepted Answer

At 35–120 days depending on species, geckos generally incubate faster than bearded dragons (65 days) at the low end but can run comparably long to green iguanas (105 days) at the high end.

Species	Avg. Incubation
Leopard Gecko	55 days
Crested Gecko	90 days
Tokay Gecko	70 days
Day Gecko	67 days
Fat Tail Gecko	65 days
African Fat Tail	65 days

Gecko Egg Incubation Calculator

Gecko (All Species) Gestation Calculator

Incubation by Gecko Species

Temperature-Dependent Species

Individual Gecko Calculators

How We Calculate Gecko Incubation

Frequently Asked Questions

Sources & References

Related Calculators

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