Editorial policy: how we build MediHub

Updated 2026-11-04

MediHub has two parts: medicine price comparison in 32 countries and 112 free health calculators. This page explains where the numbers come from and how we check them.

Medicine prices

• Live search reads the public listings of each country's online pharmacies when you search. MediHub does not sell medicine and is not paid to rank a pharmacy.
• Price tables on guide pages come from a dated snapshot of those listings. Each table shows the date it was checked, and prices older than 45 days are removed automatically.
• A listing counts for a medicine only when the brand name matches the product name. Where pharmacies sell different pack sizes (for example a strip, a single tablet or a box in Bangladesh), we convert to a price per tablet or capsule so the comparison is fair.
• A guide page without a current price is kept out of search engines until it has one.

Health calculators

• Every calculator uses a published formula or reference: for example WHO BMI and waist cut-offs, Mifflin-St Jeor for energy needs, CKD-EPI 2021 for eGFR and WHO growth references for children.
• Each page lists its sources (such as WHO, CDC, NHS, ACOG, AAP, NKF and the original papers) and its formula, so you can check the maths.
• The worked example on each page is produced by running the calculator itself, so the example always matches the tool.
• The MediHub editorial team writes the calculators and checks them against those sources. Each page shows the date its content last changed, and we update a page when guidance changes or an error is found.
• Calculators run in your browser. What you type is not stored or sent anywhere.

Calculator categories

• BMI and weight calculators
• Body fat and body composition calculators
• Waist measurement calculators
• Calorie and energy calculators
• Weight loss and weight gain calculators
• Nutrition and hydration calculators
• Calories burned and exercise calculators
• Fitness and training calculators
• Sleep calculators
• Period, ovulation and fertility calculators
• Pregnancy calculators
• Postpartum and newborn calculators
• Child growth calculators
• Contraception and sexual health tools
• Women's health check tools
• Medication and lab result calculators
• Home energy calculators
• Education and study calculators

What MediHub is not

MediHub does not diagnose, prescribe or give medical advice. Calculator results are estimates for education. Talk to a doctor, pharmacist or dietitian before you act on a result, and read the medical disclaimer.

Read about MediHub, browse the health calculators or compare medicine prices by country.