ADRR unit converter

Convert ADRR between ng/dL per pg/mL and pmol/L per ng/L. Type in either box. The factors come from our catalog and are checked by code.

AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03

From

1 ng/dL per pg/mL = 27.7469 pmol/L per ng/L. Nothing you type here leaves your browser.

The conversion

1 ng/dL per pg/mL = 27.75 pmol/L per ng/LFrom ng/dL per pg/mL to pmol/L per ng/L: multiply by 27.75. Back again: divide by 27.75.

Mass and molar units are linked by the molecular weight: 360.4 g/mol (aldosterone (the numerator of the ratio), C21H28O5 (PubChem CID 5839)). Source: NCBI PubChem.

Common values

From zero to about twice the usual upper limit, plus the usual limits themselves.

ADRR values in ng/dL per pg/mL and pmol/L per ng/L
ng/dL per pg/mL	pmol/L per ng/L
1	28
2	55
2.8	78
3	83
4	111
5	139
6	166
7	194
8	222

Usual ranges in each unit

What labs print as the reference range, by who was tested. Sources for each range are on the ADRR page.

Usual ranges for ADRR in ng/dL per pg/mL and pmol/L per ng/L
Who	ng/dL per pg/mL	pmol/L per ng/L
Adults	up to 4	up to 111