Daily calorie output is an educational estimate based on BMR and activity; real needs vary with body composition, illness, medication, and training load.
Body Fat Calculator
Uses the US Navy formula for estimation.
EstimateTape-based
Educational Tool
Medically reviewed • Last reviewed: 2026-03 • Source: US Navy / ACSM
• Evidence level: Reference-based educational estimate
This method estimates body fat from circumference measures and is useful for education and trend tracking, not clinical diagnosis.
Ideal Weight
Quick estimate using a BMI-centered healthy range.
EstimateRange guidance
Educational Tool
Medically reviewed • Last reviewed: 2026-03 • Source: WHO BMI range
• Evidence level: Reference-based educational estimate
Healthy-weight range is an educational BMI-based estimate and may not fit athletes, edema states, or unusual body composition.
Water Intake Calculator
Simple daily estimate based on body weight and activity.
Daily targetLifestyle
Educational Tool
Medically reviewed • Last reviewed: 2026-03 • Source: EFSA / IOM
• Evidence level: Reference-based educational estimate
Exercise-related water targets are estimates and may need adjustment for climate, sweat losses, kidney disease, and medical advice.
Calories Burned
Estimate calories burned using MET activity values.
Training estimateLifestyle
Wellness Estimate
Medically reviewed • Last reviewed: 2026-03 • Source: Compendium of Physical Activities
• Evidence level: Reference-based educational estimate
Calories burned is an exercise estimate based on MET values and body weight; it should not be treated as an exact compensation target for food intake.
Macro Calculator
Estimate daily protein, carbs, and fats based on calories and your goal.
Simple daily estimate based on body weight and activity.
Daily targetLifestyle
Educational Tool
Medically reviewed • Last reviewed: 2026-03 • Source: EFSA / IOM
• Evidence level: Reference-based educational estimate
Hydration advice here is an educational daily estimate and should be individualized in kidney disease, pregnancy, heart failure, heat exposure, or heavy exercise.
Blood Pressure
Classify your blood pressure reading using systolic and diastolic values.
Self-checkSymptoms matter
Screening Tool
Medically reviewed • Last reviewed: 2026-03 • Source: AHA / ACC
• Evidence level: Guideline-framed screening support
Educational blood pressure interpretation based on clinic thresholds. Single readings do not establish a diagnosis.
Safety notes:
Seek urgent care for very high readings with concerning symptoms.
Heart Rate
Estimate your resting heart rate status and basic target zone.
Self-checkResting value
Educational Tool
Medically reviewed • Last reviewed: 2026-03 • Source: AHA
• Evidence level: Reference-based educational estimate
Resting heart rate interpretation is educational. Medication use, fever, dehydration, thyroid disease, and athletic conditioning can change the reading.
Heart Age
Estimate your heart age using age, blood pressure, resting heart rate, and smoking status.
This score is a simplified educational review and does not replace validated cardiovascular risk calculators such as PREVENT or ASCVD tools.
Safety notes:
This is not a validated ASCVD or PREVENT event-risk calculator.
Cholesterol Review
A simplified educational review of common lipid patterns. It does not replace clinician interpretation within overall cardiovascular risk.
EducationalLipid pattern
Screening Tool
Medically reviewed • Last reviewed: 2026-03 • Source: AHA
• Evidence level: Guideline-framed screening support
Educational interpretation of common cholesterol ranges; LDL goals and treatment decisions depend on overall cardiovascular risk, not a single number alone.
Metabolic Age Estimate
A simplified motivational estimate based on age, body size, and activity—not a validated clinical metabolic measure.
This tool reviews factor burden only. It is not the Gail/BCRAT model, does not estimate absolute breast cancer risk, and does not replace routine screening guidance.
Safety notes:
This tool does not replace routine screening guidance or hereditary-risk assessment when indicated.
Postpartum Mood Screen
A 10-item postpartum mood screen informed by EPDS structure with a clear safety alert. Screening and follow-up support only, not a diagnosis.
This tool is an EPDS-informed postpartum mood screen for education and triage support. It is not the official EPDS instrument or a stand-alone diagnosis. Any positive self-harm response needs same-day support.
Safety notes:
Any positive self-harm response postpartum needs urgent support.
Mind & Wellness
These health calculators support calmer interpretation of stress, sleep, and wellness-related metrics.
SelHealth Calculators
Mind & Wellness
Smart body and health tools inside one premium SelHealth experience.
Quick overview
Total calculators38
One place to explore the full SelHealth calculator library.
This section8
A focused set of tools built around the same practical health goal.
BilingualEN / AR
Consistent Arabic and English experiences for clarity and accessibility.
Start with the calculator closest to your mental wellness goal
Choose the tool that best matches your current sleep, stress, or emotional wellbeing question and move forward with more clarity.
This tool estimates weekly sleep shortfall from average sleep time versus a target need. It is not a validated diagnostic measure and should be interpreted alongside sleep quality, daytime symptoms, and possible sleep disorders.
Perceived Stress Check
A brief perceived-stress scale for recent stress burden. It does not measure cortisol directly.
This tool reflects subjective life satisfaction and wellness, not a psychiatric diagnosis or crisis assessment.
1. In most ways my life is close to my ideal.
2. The conditions of my life are excellent.
3. I am satisfied with my life.
4. So far I have gotten the important things I want in life.
5. If I could live my life over, I would change almost nothing.
Guided Meditation
Meditation sessions with calming music to reduce stress and increase mindfulness.
Audio supportLifestyle
05:00
Choose duration & music, then click "Start" 🧘
SelHealth health calculators are built to simplify interpretation, highlight useful metrics, and guide you toward more practical next steps. Explore each category below to find the tool that best matches your current goal.
Health calculators help you understand your numbers more clearly across fitness, general health, women’s health, and mind & wellness. This page brings together practical tools designed to support everyday health decisions with more structure and confidence.