Free calculator
J/cm² dosing calculator.
The canonical photobiomodulation dosing formula, calibrated to Hale’s measured panel irradiance.
We show the math. Most consumer panels don’t publish irradiance at distance. Hale does — that’s the only honest way to compute dose.

J/cm² dosing
20–40 J/cm² — knees, shoulders, muscle.
J/cm² delivered in your session
69.8 J/cm²
Time to hit target dose
5 min 9 sec
Irradiance at this distance
97 mW/cm²
Suggested sessions / week
4×
Total weekly dose
279.4 J/cm²
Sample output

Deploying RLT into a clinic?
Talk to a Hale specialist about panel selection, room geometry, and the irradiance pack we ship with every clinic deployment. Health Canada Class II + FDA registered.
View clinic deployment