HbA1c 9.5% · 80 mmol/mol

HbA1c 9.5%

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

Converted value

226mg/dL eAG

An HbA1c of 9.5% converts to an estimated average glucose of about 226 mg/dL — 12.5 mmol/L. In IFCC units the same result is 80 mmol/mol.

Against the American Diabetes Association criteria, 9.5% 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.

SOURCE·ADAG regression, Diabetes Care 2008 · NGSP master equation·bands from ADA Standards of Care 2025·REVIEWED JUL 2026

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 9.5%

The ADAG regression is applied directly: 28.7 × 9.5 − 46.7 = 225.9 mg/dL.
That figure is divided by 18.016, the molar mass of glucose in these units, giving 12.54 mmol/L.
The NGSP master equation converts the percentage to the IFCC unit: (9.5 − 2.15) × 10.929 = 80.3 mmol/mol.
Rounded for display to 226 mg/dL, 12.5 mmol/L and 80 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 9.5 - 46.7        = 225.9 mg/dL
225.9 / 18.016             = 12.54 mmol/L
(9.5 - 2.15) x 10.929   = 80.3 mmol/mol

Full methodology →

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 9.5% 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
9.0%	75	212	11.7	In the diabetes range
9.1%	76	214	11.9	In the diabetes range
9.2%	77	217	12.1	In the diabetes range
9.3%	78	220	12.2	In the diabetes range
9.4%	79	223	12.4	In the diabetes range
9.5%	80	226	12.5	In the diabetes range
9.6%	81	229	12.7	In the diabetes range
9.7%	83	232	12.9	In the diabetes range
9.8%	84	235	13.0	In the diabetes range
9.9%	85	237	13.2	In the diabetes range
10.0%	86	240	13.3	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.

SOURCE·ADAG regression (Diabetes Care 2008) · NGSP master equation·REVIEWED JUL 2026

The complete chart from 4.0% to 14.0% →

What this page is careful not to say

It does not tell you whether 9.5% 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.

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

9.0%212 mg/dL 9.1%214 mg/dL 9.2%217 mg/dL 9.3%220 mg/dL 9.4%223 mg/dL 9.5%226 mg/dL 9.6%229 mg/dL 9.7%232 mg/dL 9.8%235 mg/dL 9.9%237 mg/dL 10.0%240 mg/dL

Questions this report anticipates

What does an HbA1c of 9.5% mean?

On the American Diabetes Association criteria, 9.5% is at or above 6.5%, which is the threshold for the diabetes range. It converts to an estimated average glucose of about 226 mg/dL (12.5 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 9.5% HbA1c in mg/dL?

About 226 mg/dL as an estimated average glucose across the previous two to three months, from eAG = 28.7 × 9.5 − 46.7. That is an average, not a reading you would expect to see on a meter at any particular moment.

What is 9.5% in mmol/mol?

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

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. Every threshold, equation and glycemic index value used on this site is listed with its publication on the data & method page, and every publication is listed with its issuing body and its date in the source register.

SOURCE·Published reference ranges + GI tables·REVIEWED JUL 2026

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