Find the Best Dosage
Calculate the ideal red light therapy dose and treatment time for optimal results.
mW/cm²
cm
cm
min
sec
J/cm²
cm²
Formula: J/cm² = Irradiance(mW/cm²) × Time(sec) ÷ 1000.
Distance estimate uses inverse-square from the device’s rated distance.
Enter values and click Calculate.
⚠️ Educational use only; not medical advice. Eye/skin sensitivity and medications may require precautions.