Health & Fitness Calculators

Free calculators to help you track and improve your health

Calculate due date and track pregnancy milestones.

Calculate your biological age based on health and lifestyle factors.

Calculate blood type inheritance and compatibility.

Calculate peptide properties and molecular weight.

Calculate Body Mass Index and weight category.

Calculate Basal Metabolic Rate and caloric needs.

Calculate Total Daily Energy Expenditure.

Calculate daily caloric needs and macros.

Calculate optimal macronutrient ratios.

Calculate your one rep maximum.

Calculate blood alcohol content estimation.

Calculate bra size and get fitting recommendations.

Calculate predicted adult height.

Track ovulation and fertile days.

Calculate maximum bench press.

Calculate A1C levels and blood glucose.

Calculate contact lens power from spectacle prescription.

Calculate daily fiber needs and recommendations.

Track caffeine intake and metabolism.

Why Use Our Health Calculators?

Our calculators use scientifically validated formulas to provide reliable health metrics.

Simple interfaces make it quick and easy to calculate important health measurements.

Learn about health metrics and get actionable insights to improve your wellbeing.