All 24 Free Tools — Complete Directory
Every FitCalcly calculator and checker in one place. All tools are free, work in metric and imperial units, run instantly in your browser, and include plain-English guides, foods to eat and avoid, and printable results.
Body & weight
BMI Calculator
Body Mass Index for men & women, with healthy range for your height.
📏Body Fat Calculator
US Navy tape method with a guided body diagram.
🎯Ideal Weight Calculator
Four medical formulas compared side by side.
⚖️Weight Loss Calculator
Safety-checked plan with an animated projection chart.
🪞Face Shape Calculator
Guided face diagram finds your shape with styling tips.
Calories & nutrition
Calorie Calculator
Daily calories to lose, maintain or gain — with food & activity tables.
⚡TDEE Calculator
Maintenance calories and total daily energy expenditure.
🥗Macro Calculator
Protein, carb & fat grams for any goal or eating style.
🍽️Meal Plan Calculator
Daily calories split into meals with food examples.
💧Water Intake Calculator
Daily hydration by weight, with an animated filling glass.
🥩Protein Calculator
Daily protein needs by weight and goal, with per-meal doses.
Heart, activity & daily life
Heart Rate Calculator
Max heart rate and five training zones by age.
🩺Blood Pressure Checker
Your reading on the AHA scale, with heart-protecting foods.
🏃Jogging Calculator
Pace, speed and calories with an animated runner.
🚶Walking Calorie Calculator
Calories burned walking by speed, with steps and distance.
💪Fitness Score Calculator
Five markers, one score /100, and your weakest link.
🗓️Daily Planner
Meals, water, workout and sleep on an animated timeline.
🖥️Desk Health Calculator
Break rhythm, posture checklist and 20-20-20 eye care.
Health awareness checkers
Diabetes Risk Calculator
Validated FINDRISC 10-year risk on an animated gauge.
🦋Thyroid Symptom Checker
Hypothyroid signs and when a TSH test makes sense.
💇Hair Fall Checker
Is your shedding normal? Triggers and nutrition that helps.
❄️Dandruff Severity Checker
Severity level with a matching care plan.
Women's health
Period & Ovulation Calculator
Next three cycles on an animated ring, with PCOS awareness.
🤰Pregnancy Planner
Due date, current week and the full checkup schedule.
From the blog
- How Many Calories Should You Eat to Lose Weight?
- BMI vs Body Fat Percentage: Which Should You Trust?
- TDEE Explained Simply: The One Number Behind Every Diet