Hormonology
FT4
Free Thyroxine
T4 libre Unit Converter
Convert T4 libre between pmol/L, ng/dL, and pg/mL.
Publicado el: 2026-06-06 ·
Última actualización: 2026-06-06
Enter T4 libre value
Puedes introducir un valor en cualquier unidad admitida.
Introduce un número positivo válido.
¿Qué hace este conversor?
This tool converts Free T4 values between pmol/L, ng/dL, and pg/mL. The conversion is specific to Free T4 and should not be used for Free T3, TSH, insulin, or any other laboratory analyte.
Unidades admitidas
pmol/L · SI unit
ng/dL · US conventional
pg/mL · alternative
Fórmulas de conversión
ng/dL = pmol/L × 0.0777
pmol/L = ng/dL × 12.87
pg/mL = ng/dL × 10
pg/mL = pmol/L × 0.777
Ejemplo de conversión
If Free T4 = 14 pmol/L, then Free T4 ≈ 1.09 ng/dL and ≈ 10.88 pg/mL.
Nota importante de laboratorio
Free T4 reference ranges vary by laboratory method, assay platform, age, pregnancy status, and local reporting standards. This converter only changes units and does not diagnose thyroid disease.