HbA1c 12.6% · 114 mmol/mol

HbA1c 12.6%

Converted with the published ADAG regression. What it means for you is a question for a doctor, not for this page.

Converted value

315mg/dL eAG

An HbA1c of 12.6% converts to an estimated average glucose of about 315 mg/dL — 17.5 mmol/L. In IFCC units the same result is 114 mmol/mol.

Against the American Diabetes Association criteria, 12.6% is at or above 6.5%, which is the threshold for the diabetes range. That describes where the value sits on a published scale. It is not a diagnosis, and a diagnosis requires confirmation and a doctor.

Central estimate, not a reading. The regression explained about 84% of the variation, so real averages sit either side of this figure.

మూలం·ADAG regression, Diabetes Care 2008 · NGSP master equation·bands from ADA Standards of Care 2025·జూలై 2026న సమీక్షించాం

This page is reference information, not medical advice.

Nothing here can diagnose you, and nothing here is a treatment plan. Blood glucose results are interpreted by a doctor alongside your history, your symptoms and a repeat test — a single number on a screen is not a diagnosis. If any reading concerns you, or if you feel unwell, see a doctor rather than a website.

The arithmetic behind 12.6%

The ADAG regression is applied directly: 28.7 × 12.6 − 46.7 = 314.9 mg/dL.
That figure is divided by 18.016, the molar mass of glucose in these units, giving 17.48 mmol/L.
The NGSP master equation converts the percentage to the IFCC unit: (12.6 − 2.15) × 10.929 = 114.2 mmol/mol.
Rounded for display to 315 mg/dL, 17.5 mmol/L and 114 mmol/mol — the precision laboratories report.
Nothing on this page is interpreted. Where the value sits against a published band is a fact about the band; what it means for a person is a clinical judgement.

28.7 x 12.6 - 46.7        = 314.9 mg/dL
314.9 / 18.016             = 17.48 mmol/L
(12.6 - 2.15) x 10.929   = 114.2 mmol/mol

పూర్తి పద్ధతి →

Provenance

The equations, and who published them

The regression is the ADAG equation from Diabetes Care 2008, which is the one the American Diabetes Association uses; the mmol/mol line is the NGSP master equation. Neither was adjusted here.

Source: Nathan DM, Kuenen J, Borg R, Zheng H, Schoenfeld D, Heine RJ, for the A1c-Derived Average Glucose (ADAG) Study Group. Translating the A1C assay into estimated average glucose values. Diabetes Care 2008;31(8):1473–1478. Link
Source: National Glycohemoglobin Standardization Program (NGSP) — HbA1c and estimated average glucose (eAG). Link

Neighbouring rows

Where 12.6% sits

HbA1c converted to estimated average glucose with the ADAG regression, eAG (mg/dL) = 28.7 × A1C − 46.7. The mmol/mol column is the IFCC unit, from the NGSP master equation. The final column reads the A1C against the ADA diagnostic bands.
HbA1c (%)	mmol/mol	eAG (mg/dL)	eAG (mmol/L)	Where it sits
12.1%	109	301	16.7	In the diabetes range
12.2%	110	303	16.8	In the diabetes range
12.3%	111	306	17.0	In the diabetes range
12.4%	112	309	17.2	In the diabetes range
12.5%	113	312	17.3	In the diabetes range
12.6%	114	315	17.5	In the diabetes range
12.7%	115	318	17.6	In the diabetes range
12.8%	116	321	17.8	In the diabetes range
12.9%	117	324	18.0	In the diabetes range
13.0%	119	326	18.1	In the diabetes range
13.1%	120	329	18.3	In the diabetes range

Estimated average glucose is an average across roughly the previous three months. It is not a prediction of your reading tomorrow morning, and two people with the same HbA1c can have very different day-to-day swings.

మూలం·ADAG regression (Diabetes Care 2008) · NGSP master equation·జూలై 2026న సమీక్షించాం

The complete chart from 4.0% to 14.0% →

What this page is careful not to say

It does not tell you whether 12.6% is good or bad for you, because that depends on things a web page cannot see — whether you have already been diagnosed, what else is on your report, whether you have a condition that makes HbA1c unreliable, and what your doctor is trying to achieve. It publishes no targets for anyone.

A result in this range is a reason to see a doctor and follow their advice about repeating the test — not a reason to start any diet, supplement or medicine you read about online.

General information only — NOT medical advice, and never a diagnosis. Only a doctor can interpret your results and diagnose or treat diabetes. If a reading concerns you, see a doctor rather than a website.

PeakForm is a training and accountability programme. It is not a treatment for diabetes or prediabetes, it is not a substitute for your doctor's advice, and nothing on this site should be acted on before speaking to one.

Nearby values

12.1%301 mg/dL 12.2%303 mg/dL 12.3%306 mg/dL 12.4%309 mg/dL 12.5%312 mg/dL 12.6%315 mg/dL 12.7%318 mg/dL 12.8%321 mg/dL 12.9%324 mg/dL 13.0%326 mg/dL 13.1%329 mg/dL

Questions this report anticipates

What does an HbA1c of 12.6% mean?

On the American Diabetes Association criteria, 12.6% is at or above 6.5%, which is the threshold for the diabetes range. It converts to an estimated average glucose of about 315 mg/dL (17.5 mmol/L) using the ADAG equation. A single value is not a diagnosis — published criteria require confirmation, and interpretation belongs to a doctor.

What is 12.6% HbA1c in mg/dL?

About 315 mg/dL as an estimated average glucose across the previous two to three months, from eAG = 28.7 × 12.6 − 46.7. That is an average, not a reading you would expect to see on a meter at any particular moment.

What is 12.6% in mmol/mol?

114 mmol/mol, using the NGSP master equation (percentage − 2.15) × 10.929. Both units describe the same measurement.

సాధారణ సమాచారం మాత్రమే — వైద్య సలహా కాదు, ఎప్పటికీ రోగనిర్ధారణ కాదు. మీ ఫలితాలను అర్థం చేసుకుని డయాబెటిస్‌ను నిర్ధారించడం లేదా చికిత్స చేయడం డాక్టర్ మాత్రమే చేయగలరు. ఏదైనా రీడింగ్ మిమ్మల్ని ఆందోళనకు గురిచేస్తే, వెబ్‌సైట్ కాకుండా డాక్టర్‌ను కలవండి. ఈ సైట్‌లో వాడిన ప్రతి థ్రెషోల్డ్, సమీకరణం, గ్లైసీమిక్ ఇండెక్స్ విలువ దాని ప్రచురణతో సహా ఇక్కడ ఇవ్వబడింది data & method page, and every publication is listed with its issuing body and its date in the source register.

మూలం·Published reference ranges + GI tables·జూలై 2026న సమీక్షించాం

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