Free Health & Fitness Calculators

Simple, accurate tools to help you track your body metrics, plan smart, and live healthier—no sign-up required.

Explore Our Most Popular Calculators

🌸 For Women: Plan Your Fitness by Your Cycle

Try our Cycle Syncing Fitness Planner to find the best workouts for every phase of your menstrual cycle — customized by your cycle length.

About HealthCalcDaily

HealthCalcDaily.com offers simple, science-backed calculators to help you take charge of your health. Whether you’re tracking body fat, figuring out your calorie needs, or syncing workouts to your cycle, our tools are designed for real life—easy to use, ad-supported, and always free.