How to Calculate Your T3 - Reverse T3 Ratio Calculator

R T3 : Reverse T3 Ratio Calculator

Enter your lab values. Defaults: Free T3 in pg/mL, Reverse T3 in ng/dL.

Formula: (Free T3 [pg/mL] ÷ Reverse T3 [ng/dL]) × 100. This is for educational use only, not medical advice.