CGM Checker

Analyze your continuous glucose monitor data with detailed statistics, pattern recognition, and actionable insights.

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About This Tool

The CGM Checker is a comprehensive online tool for analyzing continuous glucose monitor data. Upload your glucose readings or enter them manually to calculate key metrics like Time in Range (TIR), average glucose, glucose variability, and identify patterns (hypoglycemia, hyperglycemia). The tool provides visual charts, statistical analysis, and personalized recommendations based on clinical guidelines. Perfect for diabetes patients, healthcare providers, and researchers needing detailed CGM analysis without complex software.

Save your calculation history with a free account

How to Use

Enter your glucose readings (either manually or via sample data)
Set your target glucose range (default 70-180 mg/dL)
Optionally add meal times and notes for contextual analysis
Click 'Analyze CGM Data' to generate comprehensive results
Review statistics, charts, and personalized insights
Use the 'Download Report' button to save your analysis

Frequently Asked Questions

Find Quick Answers

What is Time in Range (TIR) and why is it important?

Time in Range measures the percentage of time your glucose levels stay within your target range (typically 70-180 mg/dL). It's a key metric for diabetes management, with clinical guidelines recommending >70% TIR for optimal control.

Can I upload data from my CGM device?

Currently, the tool accepts manual entry or sample data. Future updates may include direct import from popular CGM devices like Dexcom, Freestyle Libre, and Medtronic.

How many glucose readings can I analyze?

The tool can handle up to 288 readings (one every 5 minutes for 24 hours). For longer periods, you can analyze multiple 24-hour segments separately.

Are my CGM data and results stored on your servers?

No, all analysis happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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