Blood sugar diary — free printable blood glucose log

A blood sugar (blood glucose) diary is a useful tool for many people managing diabetes, helping you and your healthcare team understand how well your blood sugar is controlled over time. Recording your readings — along with the time, whether it was before or after food, and notes on meals, activity and how you felt — builds a picture that a single reading can't give. This matters because it can reveal patterns (how certain foods, meals, exercise or times of day affect your levels), help you and your diabetes team see whether your management plan is working, and support adjustments to diet, activity or treatment. It's also genuinely valuable to bring to GP, nurse or diabetes clinic appointments, as a clear record over a period helps them give you better, more tailored advice than trying to recall how things have been. Noting the context alongside the numbers makes the readings far more meaningful. Importantly, a diary is a tracking aid, not medical advice or a substitute for proper care: how often to test, your target ranges, and any changes to your management should always be guided by your GP, nurse or diabetes team, and you should follow your agreed care plan and seek medical advice if you're worried, if readings are unusually high or low, or if you feel unwell. If you ever experience a diabetic emergency, seek urgent medical help. This diary simply helps you record and understand your readings and communicate with your healthcare team.

Yes — no email, no sign-up.

Yes — print as many copies as you need.