Estradiol unit converter
Convert estradiol between pg/mL and pmol/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
1 pg/mL = 3.6711 pmol/L. Nothing you type here leaves your browser.
The conversion
- 1 pg/mL = 3.671 pmol/LFrom pg/mL to pmol/L: multiply by 3.671. Back again: divide by 3.671.
Mass and molar units are linked by the molecular weight: 272.4 g/mol (estradiol (17β-estradiol), C18H24O2). Source: PubChem (NIH).
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| pg/mL | pmol/L |
|---|---|
| 7.6 | 28 |
| 10 | 37 |
| 20 | 73 |
| 30 | 110 |
| 40 | 147 |
| 42.6 | 156 |
| 50 | 184 |
| 60 | 220 |
| 70 | 257 |
| 80 | 294 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Estradiol page.
| Who | pg/mL | pmol/L |
|---|---|---|
| Women, 18+, follicular phase | 12.5–166 | 46–609 |
| Women, 18+, ovulation | 85.8–498 | 315–1,828 |
| Women, 18+, luteal phase | 43.8–211 | 161–775 |
| Women, 18+, premenopausal | 15–350 | 55–1,285 |
| Women, postmenopausal | up to 54.7 | up to 201 |
| Women, pregnancy t1 | 215 and above | 789 and above |
| Men, 18+ | 7.6–42.6 | 28–156 |