Glucose converter

Convert glucose values between mmol/L and mg/dL.

When to use

Quick guide on when this calculator is most useful and when to recalculate your values.

  • If your device uses different units.
  • If you compare results with international sources.
  • If you keep a log and want one consistent format.
  • If you share results with a clinician or coach in another country.

Enter value

Conversion

91.8 mg/dL
Conversion

Formula: mmol/L x 18 = mg/dL

Explanation

4

A quick overview of how the result is formed and how to apply it in practice.

Different countries use different glucose units.
Conversion helps compare values across sources.
Rounding can slightly change displayed values near cutoffs.
For trend tracking, keep one primary unit format.

Tips

5

Small practical steps to help you apply the result day to day.

Keep the same units as your device to avoid mistakes.
Check reference ranges in the same units.
Always label units in spreadsheets or notes.
Use consistent rounding rules across entries.
For consultations, include both original and converted values.

FAQ

4

Short answers to common questions about calculations and interpretation.

Why 18?

It's the standard conversion factor for glucose.

Can I round?

Yes, to 1 decimal for mmol/L or whole numbers for mg/dL.

Why is my app result slightly different?

Most differences come from rounding and display settings.

Do I need to store both versions?

One is enough if units are clearly specified in each record.

The converter is not a diagnostic tool.

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