UVB Distance Calculator
Calculate the optimal UVB bulb mounting distance for your reptile based on species UV zone requirements
Recommended Distance
6" - 6" from basking spot
6 inchesUVI 3.5
Visual Distance Guide
UVB Bulb
6"
Basking Spot
Important Tip
Always verify UV output with a Solarmeter 6.5 if possible. UVB output varies by bulb age (replace every 6-12 months), reflector type, and screen mesh density.
Recommended Products
T5 High Output — 6%
Professional-grade UVB lighting for reptile health and wellbeing
Shop on Amazon →As an Amazon Associate, we earn from qualifying purchases
Solarmeter 6.5 UVI Meter
Accurately measure UV Index in your reptile's enclosure (highly recommended)
Shop on Amazon →As an Amazon Associate, we earn from qualifying purchases
UVI data is approximate based on manufacturer specifications and may vary by individual bulb, reflector setup, and age. Always monitor your reptile's behavior and health, and consult with a reptile veterinarian for species-specific care.