Convert glucose levels

When you’re navigating gestational diabetes - scrolling through advice, resources, or real-life stories - it’s easy to come across numbers that don’t match the unit you’re used to. This blood glucose converter tool is here to make the mmol/L ↔ mg/dL translation simple, so you can focus on what the numbers actually mean.

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Blood Glucose Converter

Convert between mmol/L and mg/dL instantly

mmol/L
mg/dL

Different countries use different units. This helps translate between them.

Frequently asked questions

Why are there two different units for measuring blood glucose?

Different regions adopted different measurement systems over time, which is why two units are commonly used today. mmol/L measures glucose based on the number of molecules in a given volume of blood, while mg/dL measures it based on the mass of glucose in that same volume.

Both describe the same thing (blood glucose) just using different ways of quantifying it, which is why conversion is needed to move between them.

Which countries use mmol/L and which use mg/dL for blood glucose?

Most countries, including Australia, the UK, Canada, New Zealand, and much of Europe and Asia, use mmol/L to measure blood glucose.

Countries such as the United States, Japan, and parts of Latin America and the Middle East typically use mg/dL. Some regions and healthcare settings may use both units depending on the context.

Which unit should I use?

You should use the unit that your care team or local guidelines refer to. This tool simply helps you translate between the two when needed.

Why might someone share glucose levels in a different unit?

You may see different units when:

  • Reading international articles or research
  • Viewing content from different countries
  • Participating in online communities or forums

That's why we built this tool - to remove the friction the different unit measurements create in the sharing of information.

Can small rounding differences matter?

For general understanding and comparison, small rounding differences don’t usually matter. However, always follow the guidance provided by your healthcare team for managing your levels.

We hope this tool helps to reduce the load for you. For anything more specific, your care team will always know what’s best for you 💛

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