All 32 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 a visual 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 a visual 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 a visual 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 a visual 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 a visual 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 a visual ring, with PCOS awareness.

Pregnancy Planner

Due date, current week and the full checkup schedule.

New activity & nutrition tools

Yoga Calculator

MET-based calories per session, week and plan.

Aerobic Capacity

VO₂ max from Cooper, Rockport or 1.5-mile field tests.

Recipe Calories

Recipe totals and per-serving calories, protein, carbs and fat.

Fat Intake

Daily fat target, 20–35% range and saturated-fat ceiling.

Fiber Calculator

Age, life-stage and calorie-based daily fibre target.

Carbohydrate Calculator

Carb target plus food, fibre and net-carb tracker.

WOD Time Calculator

Pace, reps, work rate and weighted volume for WOD formats.

Post-Cycle Recovery

Educational clearance, lab and follow-up timeline without drug advice.

From the blog

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