Understanding the mood journal
Keep private browser-based mood, energy, activity, and note entries and summarize the average mood rating.
This page provides an equation-based estimate for education and planning. It does not diagnose a condition, measure an individual response, or replace professional care.
How to use this health calculator
- Choose appropriate inputs: Enter measurements using the units and ranges shown.
- Review the assumptions: Confirm that the model applies before interpreting the result.
- Calculate and interpret: Read the result together with its limitations and cautions.
- Use professional guidance when needed: Do not use a general calculator to change medication, treatment, or a clinician-directed plan.
Formula and variables
The output follows the stated arithmetic and assumptions; it is not an individualized diagnosis, prognosis, or treatment recommendation.
Average mood = sum of logged 1–5 mood ratings ÷ number of entries.- M — Mood rating
- A personal rating from 1 to 5.
Worked example
Three entries contain mood ratings 2, 4, and 3.
- Ratings
- 2, 4, 3
- (2 + 4 + 3) ÷ 3 = 3.0
Result: Average logged mood is 3.0 out of 5.
Interpret the result with its population, measurement, and clinical limitations.
Understanding your results
Equation result
The numerical output follows the displayed formula and entered assumptions.
Personal interpretation
Individual biology, measurement error, environment, health conditions and medicines can change real-world outcomes.
Assumptions
- Inputs are accurate and use the displayed definitions and units.
- The cited reference or equation applies to the intended educational comparison.
Limitations
- Ratings are subjective and personal.
- The journal is not a validated mental-health screen.
- Browser data can be lost or accessed by others using the device.
Common mistakes
- Treating the average as a diagnosis.
- Assuming browser storage is a secure medical record.
Practical use cases
Educational estimate
Explore how the inputs affect the equation result.
Consistent tracking
Compare estimates only when methods, units and conditions are consistent.
Planning and decision guide
Treat cautions as part of the result
Seek professional help for severe or persistent distress; in the U.S., call or text 988 for crisis support and call emergency services for immediate danger.
Escalate symptoms or clinical questions
Seek qualified medical advice for symptoms, diagnosed conditions, medicines, pregnancy, or individualized treatment decisions.
Frequently asked questions
Is this result individualized medical advice?
No. It is an educational calculation based on the displayed assumptions.
Can I use it to change treatment?
No. Treatment decisions require appropriate professional assessment.
Sources and review
- Caring for Your Mental Health — National Institute of Mental Health. Accessed 2026-08-03.
Reviewed 2026-08-03.