Reptile Tank Calculator - Terrarium Size and Setup

Calculate terrarium size for reptiles and amphibians. Free online tank calculator for snakes, lizards, and turtles.

Inputs

Reptile Information
cm

Results

🦎

Enter your reptile details to calculate the recommended tank size

These are general recommendations. Always research specific care requirements for your reptile species.

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How Reptile Tank Calculator Works

Tank size = Species requirements + Adult size considerations

This calculator recommends terrarium dimensions, heating, and humidity requirements based on reptile species, ensuring proper husbandry for your pet.

  1. 1

    Step 1

    Select your reptile species

  2. 2

    Step 2

    Enter the reptile's size or age

  3. 3

    Step 3

    View recommended tank dimensions

  4. 4

    Step 4

    Check temperature, humidity, and lighting requirements

Use Cases

Selecting appropriate enclosure size for new reptiles

Planning habitat upgrades as reptiles grow

Ensuring proper temperature gradients

Setting up correct lighting and humidity

Tips

  • 1

    Always size tanks for adult size, not current size

  • 2

    Temperature gradients are essential for thermoregulation

  • 3

    UVB lighting is crucial for most species

  • 4

    Humidity requirements vary greatly by species

  • 5

    Ventilation is as important as heat and humidity

Common Mistakes

  • Buying tanks for juvenile size instead of adult

  • Not providing a temperature gradient

  • Using wrong substrate for the species

  • Forgetting to replace UVB bulbs regularly

Frequently Asked Questions

How big should my reptile tank be?
Generally, the enclosure should be at least 1.5-2x the reptile's adult length. Arboreal species need height; terrestrial species need floor space.
Why is a temperature gradient important?
Reptiles are cold-blooded and need a warm basking spot and cooler area to regulate body temperature. The gradient allows them to thermoregulate.
Do all reptiles need UVB lighting?
Most do, especially diurnal species. UVB is essential for vitamin D3 synthesis and calcium absorption. Some nocturnal species may not require it.
What humidity level do reptiles need?
It varies greatly. Desert species: 20-40%. Tropical species: 60-80%+. Research your specific species requirements carefully.
How often should I clean the tank?
Spot clean daily (remove waste and uneaten food). Deep clean monthly, disinfecting surfaces and replacing substrate as needed.

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