About this tool
Monitor your blood glucose readings, track your lifestyle habits, and estimate your HbA1c.
The Diabetes Management Dashboard logs blood glucose readings in mg/dL or mmol/L and turns them into an average, a highest and lowest, a time-in-target percentage against your own range, and an estimated HbA1c using the ADAG relationship A1c = (average glucose + 46.7) ÷ 28.7. Each entry can also carry the reading type, carbs, water, exercise minutes and a note, so patterns show up next to the numbers that caused them. It is a self-monitoring and educational log for people tracking their own readings between appointments — it is not a medical device and does not replace your care team.
Open Diabetes Management Dashboard on AltFTool — it loads instantly in your browser.
On the Log Reading tab enter the Blood Sugar Reading, pick mg/dL or mmol/L, and choose a Reading Type such as Fasting or Bedtime.
Add the optional Carbs (g), Water Intake (glasses) and Exercise (mins) fields, then press Save Log Entry.
Open the Dashboard tab for Average Reading, Time in Target against the Target Blood Sugar Range set in Profile, and Estimated HbA1c.
Applies the established eAG relationship (eAG = 28.7 × A1c − 46.7) to your logged average instead of leaving you to guess between lab tests.
Scores readings against the target minimum and maximum you set with your clinician, not a generic band, and flags 70% as the point the figure reads as good.
Accepts mg/dL and mmol/L entries in the same log and converts mmol/L at the standard ×18 factor before averaging.
It inverts the ADAG study formula eAG = (28.7 × A1c) − 46.7, so A1c = (average glucose in mg/dL + 46.7) ÷ 28.7. An average of 154 mg/dL works out to roughly 7.0%.
No — it is an estimate from the readings you happened to log, so it is only as representative as your testing pattern, and it cannot account for red-blood-cell conditions or anaemia that affect a real HbA1c. Only a laboratory HbA1c ordered by your doctor is diagnostic.
The American Diabetes Association generally suggests 80–130 mg/dL (4.4–7.2 mmol/L) fasting or before meals, under 180 mg/dL (10.0 mmol/L) one to two hours after eating, and an HbA1c below 7% for many non-pregnant adults. Targets vary with age, diabetes type and other conditions, so set the range in your profile to the one your doctor gave you.
In your own browser's local storage on this device — your profile and every log entry stay on the machine you entered them on and are never sent to a server. Clearing site data or switching browsers removes them, so export or note anything you need to keep.