HbA1c (%) to plasma glucose (mmol/L)- DCCT data correlation

Chart no. 10

Home • What is the HbA1c test? • Importance of the chart
Glossary • Track HbA1c • Guide books • Add'l info • Guestbook

Printable charts and tools
HbA1c to glucose conversion (USA) • Outside USA
Meter readings log • Daily/weekly diary • Lab test log • More

HbA1c Test Results (%) & Their Plasma Glucose Equivalents (mmol/L)

NGSB HbA1c & DCCT data correlation for plasma calibrated meters

Switch to IFCC HbA1c (mmol/mol) Switch to estimated Average Glucose (eAG) correlation View all charts

HbA1c	4.0	4.1	4.2	4.3	4.4	4.5	4.6	4.7	4.8	4.9
Glucose	3.6	3.8	4.0	4.2	4.4	4.6	4.8	5.0	5.2	5.4
HbA1c	5.0	5.1	5.2	5.3	5.4	5.5	5.6	5.7	5.8	5.9
Glucose	5.6	5.8	6.0	6.2	6.4	6.6	6.8	7.0	7.2	7.4
HbA1c	6.0	6.1	6.2	6.3	6.4	6.5	6.6	6.7	6.8	6.9
Glucose	7.6	7.8	8.0	8.2	8.4	8.6	8.8	9.0	9.2	9.4
HbA1c	7.0	7.1	7.2	7.3	7.4	7.5	7.6	7.7	7.8	7.9
Glucose	9.6	9.8	10.0	10.2	10.4	10.6	10.8	11.0	11.2	11.4
HbA1c	8.0	8.1	8.2	8.3	8.4	8.5	8.6	8.7	8.8	8.9
Glucose	11.5	11.7	11.9	12.1	12.3	12.5	12.7	12.9	13.1	13.3
HbA1c	9.0	9.1	9.2	9.3	9.4	9.5	9.6	9.7	9.8	9.9
Glucose	13.5	13.7	13.9	14.1	14.3	14.5	14.7	14.9	15.1	15.3
HbA1c	10.0	10.1	10.2	10.3	10.4	10.5	10.6	10.7	10.8	10.9
Glucose	15.5	15.7	15.9	16.1	16.3	16.5	16.7	16.9	17.1	17.3
HbA1c	11.0	11.1	11.2	11.3	11.4	11.5	11.6	11.7	11.8	11.9
Glucose	17.5	17.7	17.9	18.1	18.3	18.5	18.7	18.9	19.1	19.3
HbA1c	12.0	12.1	12.2	12.3	12.4	12.5	12.6	12.7	12.8	12.9
Glucose	19.5	19.7	19.9	20.1	20.3	20.5	20.7	20.9	21.1	21.3
HbA1c	13.0	13.1	13.2	13.3	13.4	13.5	13.6	13.7	13.8	13.9
Glucose	21.5	21.6	21.8	22.0	22.2	22.4	22.6	22.8	23.0	23.2

Printer friendly chart

Wallet-sized chart

Chart posted for general educational use. Data represent averages. Individual values may vary.

Consult your healthcare professional for interpretation of test results.

Conversion: HbA1c = (Plasma Glucose + 4.29) / 1.98
Plasma Glucose = (HbA1c * 1.98) - 4.29

Reference:
Curt L. Rohlfing, BES, Hsiao-Mei Wiedmeyer, MS, Randie R. Little, PHD, Jack D. England, Alethea Tennill, MS and David E. Goldstein, MD "Defining the Relationship Between Plasma Glucose and HbA1c, Analysis of glucose profiles and HbA1c in the Diabetes Control and Complications Trial," Diabetes Care 25:275-278, 2002. Abstract

Home meter several years old? It may read whole blood glucose. Click here to convert HbA1c to whole blood glucose. More info on plasma glucose vs. whole blood glucose.

What reading is desirable? Your glycemic target should be individualized for you and reflect an agreement between you and your clincian. Click here for the joint position of the American Diabetes Association and the European Association for the Study of Diabetes.

Page created October 30, 2009 and last updated May 1, 2012