🏃 Glucose Level Range for Exercise
Check whether your current blood sugar level is safe for exercise and learn how to manage your glucose during physical activity.
How to Use This Calculator
Enter your current blood glucose reading, select the unit, and specify whether you are checking before, during, or after exercise. Also indicate whether you have diabetes, as this affects the recommended ranges. The calculator will tell you if it is safe to proceed with exercise.
Safe Glucose Ranges for Exercise
| Timing | Safe Range (mg/dL) | Safe Range (mmol/L) |
|---|---|---|
| Before Exercise (general) | 100–250 | 5.6–13.9 |
| Before Exercise (Type 1 DM) | 126–180 | 7.0–10.0 |
| During Exercise | 100–180 | 5.6–10.0 |
| After Exercise | 90–180 | 5.0–10.0 |
Tips for Managing Blood Sugar During Exercise
Check your blood glucose before, during (for long sessions), and after exercise. Carry fast-acting carbohydrates (e.g., glucose tablets, fruit juice) in case of hypoglycemia. Stay hydrated. If glucose is above 250 mg/dL and you have Type 1 diabetes, check for ketones before exercising.
Note: These are general guidelines. People with diabetes should develop a personalized exercise plan with their healthcare team.