Blood Lead unit converter
Convert blood lead between µg/dL, µg/L, µmol/L and nmol/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 µg/dL = 10 µg/L. Nothing you type here leaves your browser.
The conversion
- 1 µg/dL = 10 µg/LFrom µg/dL to µg/L: multiply by 10. Back again: divide by 10.
- 1 µg/dL = 0.04826 µmol/LFrom µg/dL to µmol/L: divide by 20.72. Back again: multiply by 20.72.
- 1 µg/dL = 48.26 nmol/LFrom µg/dL to nmol/L: multiply by 48.26. Back again: divide by 48.26.
Mass and molar units are linked by the molecular weight: 207.2 g/mol (Elemental lead (Pb), standard atomic weight 207.2 (PubChem rounds to 207)). Source: PubChem (National Library of Medicine).
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| µg/dL | µg/L | µmol/L | nmol/L |
|---|---|---|---|
| 3.4 | 34 | 0.164 | 164 |
| 5 | 50 | 0.241 | 241 |
| 10 | 100 | 0.483 | 483 |
| 20 | 200 | 0.965 | 965 |
| 30 | 300 | 1.448 | 1,448 |
| 40 | 400 | 1.931 | 1,931 |
| 60 | 600 | 2.896 | 2,896 |
| 80 | 800 | 3.861 | 3,861 |
| 100 | 1,000 | 4.826 | 4,826 |
| 120 | 1,200 | 5.792 | 5,792 |
| 140 | 1,400 | 6.757 | 6,757 |
| 160 | 1,600 | 7.722 | 7,722 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Blood Lead page.
| Who | µg/dL | µg/L | µmol/L | nmol/L |
|---|---|---|---|---|
| Adults | up to 3.4 | up to 34 | up to 0.164 | up to 164 |