Convert HbA1c (Glycated Hemoglobin): NGSP percent to IFCC mmol/mol

How to convert HbA1c (Glycated Hemoglobin) from NGSP percent to IFCC mmol/mol?

To convert HbA1c (Glycated Hemoglobin) from NGSP percent to IFCC mmol/mol, multiply by 10.929, then add -23.519.

Example conversions for HbA1c (Glycated Hemoglobin) from % to mmol/mol

1 % = -12.59 mmol/mol
2 % = -1.661 mmol/mol
3 % = 9.268 mmol/mol
4 % = 20.197 mmol/mol
5 % = 31.126 mmol/mol
6 % = 42.055 mmol/mol
7 % = 52.984 mmol/mol
8 % = 63.913 mmol/mol
9 % = 74.842 mmol/mol
10 % = 85.771 mmol/mol
11 % = 96.7 mmol/mol
12 % = 107.629 mmol/mol
13 % = 118.558 mmol/mol
14 % = 129.487 mmol/mol
15 % = 140.416 mmol/mol
16 % = 151.345 mmol/mol
17 % = 162.274 mmol/mol
18 % = 173.203 mmol/mol
19 % = 184.132 mmol/mol
20 % = 195.061 mmol/mol
21 % = 205.99 mmol/mol
22 % = 216.919 mmol/mol
23 % = 227.848 mmol/mol
24 % = 238.777 mmol/mol
25 % = 249.706 mmol/mol
26 % = 260.635 mmol/mol
27 % = 271.564 mmol/mol
28 % = 282.493 mmol/mol
29 % = 293.422 mmol/mol
30 % = 304.351 mmol/mol
31 % = 315.28 mmol/mol
32 % = 326.209 mmol/mol
33 % = 337.138 mmol/mol
34 % = 348.067 mmol/mol
35 % = 358.996 mmol/mol
36 % = 369.925 mmol/mol
37 % = 380.854 mmol/mol
38 % = 391.783 mmol/mol
39 % = 402.712 mmol/mol
40 % = 413.641 mmol/mol
41 % = 424.57 mmol/mol
42 % = 435.499 mmol/mol
43 % = 446.428 mmol/mol
44 % = 457.357 mmol/mol
45 % = 468.286 mmol/mol
46 % = 479.215 mmol/mol
47 % = 490.144 mmol/mol
48 % = 501.073 mmol/mol
49 % = 512.002 mmol/mol
50 % = 522.931 mmol/mol

What is HbA1c?

HbA1c (glycated hemoglobin) reflects average blood glucose levels over the past 2-3 months. It is a key marker for diabetes diagnosis and management.

NGSP vs IFCC units

NGSP reports HbA1c as a percentage (%), commonly used in the US. IFCC reports in mmol/mol, used in most other countries. The conversion uses the master equation: IFCC = (NGSP - 2.152) x 10.929.

Common conversions for HbA1c (Glycated Hemoglobin)

Here’s a list to quickly select the most commonly used converters for hba1c: