Health & Fitness

Health calculators for nutrition, fitness, and wellness

TDEE Calculator

Calculate Total Daily Energy Expenditure and calorie needs for your goals

Body Fat Calculator

Estimate body fat percentage using Navy method and BMI method

Macro Calculator

Calculate daily macronutrient targets based on your goals

Pregnancy Calculator

Calculate due date, conception date, and pregnancy milestones

Ideal Weight Calculator

Calculate ideal body weight using multiple medical formulas

Water Intake Calculator

Calculate daily water intake needs based on weight, activity, and climate

Calorie Deficit Calculator

Calculate your daily calorie deficit for weight loss goals

Disclaimer: A2ZKit's tools, calculators, cheat sheets, and articles are provided for general information and educational purposes only, on an "as is" basis without warranties of any kind. They are not financial, investment, tax, accounting, medical, health, or legal advice, and are not a substitute for a qualified professional. Results may be inaccurate or incomplete — verify independently and consult an appropriate professional before making any decision. Some tools process files — such as PDFs and images — entirely in your browser; you are responsible for keeping your own backups, and we are not liable for any data loss, file corruption, or inaccurate output. You use A2ZKit entirely at your own risk. By using the site you agree to our Terms of Service.