Health Tools
Monitor your vitals, calculate key metrics, and optimize your wellness journey with our suite of health calculators.
Popular Tools
Quick Start Guides
— Choose your goalReach a Target Weight
Plan calories, macros, and a realistic timeline.
Improve Cardio Fitness
Set pace, heart-rate zones, and VO₂ max goals.
Dial In Nutrition
Calorie targets, protein, and hydration in one flow.
All Tools by Category
Browse our complete collection of health calculators
Body & Composition7 tools
BMI Calculator
Calculate your Body Mass Index.
Best for: Quick BMI check
Target Weight Date
Estimate when you'll reach your goal.
Best for: Goal timeline
Ideal Healthy Weight
Find your healthy weight range.
Best for: Healthy range
Body Fat Calculator
Estimate body fat % via tape measure.
Best for: Body composition
Waist-Hip Ratio
Assess health risk via fat distribution.
Best for: Risk screening
Lean Body Mass
Estimate lean mass vs fat mass.
Army Body Fat
US Army standard body fat calc.
Nutrition & Diet5 tools
Macro & Calorie Planner
Plan weight loss with custom macros.
Best for: Daily macro targets
Protein Calculator
Daily protein needs for your goals.
Best for: Protein targets
Water Intake
Daily hydration goals.
Best for: Hydration plan
TDEE vs BMR
Understand your energy expenditure.
Best for: Calorie math
Intermittent Fasting Planner
Plan your fasting schedule with 16:8, 18:6, and more.
Best for: IF schedule
Fitness & Performance7 tools
Pace Calculator
Running splits and finish times.
Best for: Run pace planning
VO₂ Max Estimator
Cardiovascular fitness level.
Best for: Fitness level
One Rep Max
Max lifting strength estimator.
Longevity Strength
Standards for maintaining independence.
Best for: Healthy aging
Target Heart Rate
Training zones for cardio.
Best for: Training zones
Calories Burned
Energy used during activities.
Best for: Workout burn
Steps to Calories
Convert walking to energy burned.
Best for: Daily steps
Health & Wellness7 tools
Sleep Cycle
Optimal wake and sleep times.
Best for: Sleep schedule
Breathing Exercises
Guided 4-7-8 relaxation.
Best for: Stress relief
Pregnancy Due Date
Estimated delivery date.
Best for: Due date estimate
Desk Ergonomics
Computer workspace setup.
Burnout Risk Screening
Check for exhaustion & risk.
Best for: Stress check
Life Progress Bar Calculator - Day, Week, Month and Year Tracker
Visualize exactly how much of your day, week, month, and year is complete, with live progress bars and time-remaining cues to improve planning.
Best for: Time pacing
Burnout Calculator - Daily Battery Level Estimator
Estimate your daily battery level from tasks, deep work, meetings, stress, breaks, and sleep so you can reduce burnout risk before energy crashes.
Best for: Energy planning