Blood Sugar Converter
Convert between blood glucose concentration units
rate：1 mg/dL = 18.0182 mmol/L
Results in all units
4 mg/dL| Unit | Symbol | Value |
|---|---|---|
| International | ||
| mmol/L | mmol/L | 72.0728 |
| US / Some Countries | ||
| mg/dL | mg/dL | 4 |
About Blood Sugar Conversion
4 mg/dL equals 72.0728 mmol/L. The conversion rate is 1 mg/dL = 18.0182 mmol/L. You can switch to any other unit of this category above and see the result instantly.
This converter supports 2 units in total, including mmol/L, mg/dL, and covers metric, imperial and Chinese traditional systems.
Blood sugar conversion is primarily used for health monitoring and diabetes management. Hospitals in China and Europe typically use mmol/L, while blood glucose meters in the US and some other countries default to mg/dL.
All values follow internationally accepted definitions and are rounded to the decimals you choose. The calculation runs entirely in your browser, so nothing is uploaded or stored on a server.
History & Background
The units of blood glucose reflect the evolution of medical testing. Milligrams per deciliter (mg/dL) was the earliest widely adopted unit; while millimoles per liter (mmol/L) is based on the amount of substance and is the recommended unit of the SI.
Conversion Details
Blood glucose concentration is mainly measured in two units: milligrams per deciliter (mg/dL) and millimoles per liter (mmol/L).
Common conversions: 1 mmol/L ≈ 18.0182 mg/dL.