BETA Educational purposes only - not a substitute for medical advice.
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For Patients

Health Calculators

Simple, accurate calculators for your health. Free to use. No registration needed.

BMI & Ideal Weight
Body composition
Body Mass Index

BMI is a screening tool only. Talk to your doctor for a full assessment.

Ideal body weight (Devine)

IBW is a clinical reference estimate, not a personal weight goal.

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Pregnancy Due Date
Estimated delivery date
Estimated due date

EDD is an estimate. Your obstetrician confirms with ultrasound.

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Calories & Water
Daily intake
calories per day

Mifflin-St Jeor equation. Individual needs vary.

litres per day

General guideline. Needs vary with health and medications.

Contraction Timer
Track labor contractions
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Press Start when contraction begins

Go to hospital when contractions are 5 minutes apart, lasting 1 minute, for 1 hour (5-1-1 rule). Always follow your doctor's instructions.

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Ovulation Calculator
Fertile window estimator
Most women have a 14-day luteal phase
Estimated ovulation date

Ovulation varies cycle to cycle. This is an estimate only. For family planning or fertility treatment consult your gynaecologist.

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Blood Pressure
Interpreter & surgery guide

A single reading is not a diagnosis. Always discuss blood pressure with your doctor especially before any surgical procedure.

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Medication Dose
Safe dose by weight

Always read the medication leaflet. Never exceed the stated maximum dose. Consult a pharmacist or doctor if unsure.

Anesthesia Risk
Pre-surgery risk estimator

Answer honestly. This helps you understand your risk profile and what to discuss with your anesthesiologist.

Anesthesia risk profile

This is an educational tool only - not a medical assessment. Your anesthesiologist will perform a full clinical evaluation before any procedure.