A1C Calculator & Blood Sugar Log

Instantly calculate A1C, convert mg/dL to mmol/L, and track your daily glucose log directly from your browser

As of June 2026, A1C Calculator & Blood Sugar Log has 158 users and a 4.20/5 rating from 5 reviews in the Well Being category.

Usersup 6.8 percent+6.8%
158
158
Ratingno change0%
4.20
5 reviews
Reviewsno change0%
5
Version
1.4.5
Manifest V3

History

6 snapshots

Tracking since Apr 1, 2026.

159.04151.5143.96Apr 1, 2026Jun 9, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20261484.2051.4.5
Apr 16, 20261454.2051.4.5
Apr 26, 20261484.2051.4.5
May 7, 20261514.2051.4.5
May 13, 20261544.2051.4.5
Jun 1, 20261474.2051.4.5
Now1584.2051.4.5

Permissions & access

Permissions
sidePanel
Host access
None declared

Screenshots

A1C Calculator & Blood Sugar Log screenshot 1A1C Calculator & Blood Sugar Log screenshot 2

About

Turn your browser into a powerful Hemoglobin A1C and diabetes management tool. Whether you are checking lab results or need a reliable diabetes sugar monitor, this extension gives you instant answers.

📊 KEY FEATURES

🔍 SMART A1C CALCULATOR & CONVERTER Instantly convert between HbA1c (%) and Average Estimated Glucose (eAG)

1. Supports both mg/dL and mmol/L
2. GMI to A1C Calculator: Compatible with CGM metrics
3. Uses the official formula to calculate A1C (ADAG)
4. Reverse Calculator: Enter your glucose average levels to see your estimated A1C

💻 INTERACTIVE A1C CHART & PREDIABETES ZONES Forget searching for static images. Access built-in tools to understand your health: 

• A1C Conversion Chart: See how 6.0% compares to 126 mg/dL
• Prediabetes Range: Visual zones clearly mark the prediabetes A1C threshold (5.7% - 6.4%) 
• Dangerous Level of A1C: Color-coded warnings for high-risk and Type 2 diabetes zones
• Blood Sugar Levels Chart: Check standard ranges for Fasting and After Meal

📊 FREE DIABETES MONITORING DIARY 

▸ Glucose Log: Save your daily measurements in seconds
▸ Diabetes Monitoring Chart: Visualize your progress directly in the popup
▸ Blood Sugar Log: Track trends over 7, 30, or 90 days
▸ Export to CSV for your Blood Glucose Log Printable reports or doctor visits

❓ FAQ: COMMON QUESTIONS

Q: How is A1C calculated? 
A: We use the standardized relationship between HbA1c and blood glucose levels derived from the ADAG study. You can switch modes to convert blood sugar to A1C or vice versa.

Q: What is a dangerous level of A1C? 
A: Generally, an A1C above 9% indicates poor control. Our tool highlights the prediabetes range versus critical levels to help you stay safe.

Q: How do I convert units? 
A: Use our mmol/L to mg/dL calculator tool inside the extension. It works instantly for both blood glucose conversion and A1C.

🔍 SUPPORTED CONVERSIONS & TOOLS

This extension replaces the need for multiple separate apps. It includes: 
- Hemoglobin A1C conversion chart (Interactive) 
- mg/dL to mmol/L conversion 
- Glucose to A1C conversion 
- GMI to A1C chart estimator 
- Average blood sugar chart reference

Privacy Note: Your blood sugar logs are stored locally. We prioritize your privacy.

Download A1C Calculator & Blood Sugar Log to simplify your management today.

Technical

Version
1.4.5
Manifest
V3
Size
1.97MiB
Min Chrome
88
Languages
54
Featured
Yes

Metadata

ID
hgjekdojkhgfnklhmjjepoelohhhhbkb
Developer ID
u259a648ffaa930a26f9d838386a3f799
Developer Email
[email protected]
Created
Apr 8, 2024
Last Updated (Store)
Jan 2, 2026
Last Scraped
Jun 9, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified Jun 9, 2026.