IgM unit converter
Convert IgM between mg/dL, g/L and mg/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 mg/dL = 0.01 g/L. Nothing you type here leaves your browser.
The conversion
- 1 mg/dL = 0.01 g/LFrom mg/dL to g/L: divide by 100. Back again: multiply by 100.
- 1 mg/dL = 10 mg/LFrom mg/dL to mg/L: multiply by 10. Back again: divide by 10.
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| mg/dL | g/L | mg/L |
|---|---|---|
| 20 | 0.2 | 200 |
| 26 | 0.26 | 260 |
| 37 | 0.37 | 370 |
| 100 | 1 | 1,000 |
| 172 | 1.72 | 1,720 |
| 200 | 2 | 2,000 |
| 217 | 2.17 | 2,170 |
| 286 | 2.86 | 2,860 |
| 300 | 3 | 3,000 |
| 400 | 4 | 4,000 |
| 500 | 5 | 5,000 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the IgM page.
| Who | mg/dL | g/L | mg/L |
|---|---|---|---|
| Men, 16–19 | 35–168 | 0.35–1.68 | 350–1,680 |
| Women, 16–19 | 58–230 | 0.58–2.3 | 580–2,300 |
| Men, 20–70 | 20–172 | 0.2–1.72 | 200–1,720 |
| Women, 20–70 | 26–217 | 0.26–2.17 | 260–2,170 |
| 18+ | 37–286 | 0.37–2.86 | 370–2,860 |
| under 0.4167 | 26–122 | 0.26–1.22 | 260–1,220 |
| 0.4167–-0.25 | 32–132 | 0.32–1.32 | 320–1,320 |
| 0.75–0.25 | 40–143 | 0.4–1.43 | 400–1,430 |
| 1.25–1 | 46–152 | 0.46–1.52 | 460–1,520 |
| 2–3 | 37–184 | 0.37–1.84 | 370–1,840 |
| 4–6 | 37–224 | 0.37–2.24 | 370–2,240 |
| 7–9 | 38–251 | 0.38–2.51 | 380–2,510 |
| 10–12 | 41–255 | 0.41–2.55 | 410–2,550 |
| 13–15 | 45–244 | 0.45–2.44 | 450–2,440 |
| 16–17 | 49–201 | 0.49–2.01 | 490–2,010 |