Health Calculators
Calculate BMI, BMR, calories, ideal weight, body fat and other useful health and fitness values.
Choose a calculator
Simple tools for understanding common health and fitness measurements.
BMI Calculator
Calculate your Body Mass Index using your height and weight.
Calculate →BMR Calculator
Estimate your Basal Metabolic Rate based on your personal information.
Calculate →Calorie Calculator
Estimate your daily calorie needs based on activity and personal details.
Calculate →Ideal Weight Calculator
Estimate a healthy weight range using common calculation methods.
Calculate →Body Fat Calculator
Estimate body fat percentage using basic body measurements.
Calculate →Water Intake Calculator
Estimate your daily water intake based on your body weight and activity.
Calculate →Due Date Calculator
Estimate a pregnancy due date from the last menstrual period.
Calculate →Target Heart Rate Calculator
Estimate target heart rate zones for exercise and fitness.
Calculate →Pace Calculator
Calculate running pace, distance, time and average speed.
Calculate →Macro Calculator
Estimate daily macronutrient targets for protein, carbohydrates and fat.
Calculate →Weight Loss Calculator
Estimate a potential calorie deficit and weight-loss timeline.
Calculate →Age Calculator
Calculate your exact age in years, months and days.
Calculate →Simple tools for health and fitness
Calcaxa provides easy-to-use calculators for common health, fitness and wellness measurements.
These calculators are intended for general informational purposes and should not replace advice from a qualified healthcare professional.