Free T3 to Free T4 Ratio Calculator

The following calculator calculates the ratio using the Free T3 in pg/ml and the Free T4 in ng/ml. If you enter the results in pmol/L (SI units), the calculator first converts the Free T3 result into pg/ml and the Free T4 result into ng/ml. Once the conversion takes place, the calculator divides the free T3 by free T4 and gives the ratio.
ODX's Range: 2.4 – 2.7 Ratio (FT3 in pg/mL and FT4 in ng/dL)