Your life in free calculators

Explore expert-reviewed tools for every goal—from nutrition and body composition to sleep and recovery.

Health Age Quiz

Discover how your lifestyle shapes your biological age and unlock personalized longevity tips.

Take the quiz (3 minutes)

BMI Calculator

Calculate your Body Mass Index instantly and understand what your number means with expert commentary.

Calculate BMI

Calorie Calculator

Find daily calorie targets tailored to your activity level, goals, and body composition.

Calculate calories

Body Fat CalculatorAccurate

Estimate your body fat percentage with multi-method formulas and actionable guidance.

Calculate body fat

Macro Calculator

Translate your calorie targets into precise protein, carb, and fat goals matched to your training plan.

Calculate macros

Weight Loss Calculator

Build a realistic timeline with weekly milestones and calorie targets based on your current routine.

Plan weight loss

Ideal Weight Calculator

Compare multiple science-backed formulas with adjustments for body frame and age.

Calculate ideal weight

Heart Rate Calculator

Determine training and recovery zones tailored to your age and fitness level.

Calculate heart rate zones

Pregnancy Calculator

Track due dates, trimesters, weight gain, and baby development in one guided experience.

Track pregnancy

Sleep Calculator

Dial in your ideal bedtime, wake window, and sleep debt recovery plan.

Optimize sleep

Blood Pressure Calculator

Interpret systolic and diastolic readings with guidance on when to take action.

Check blood pressure

Water Intake Calculator

Set daily hydration goals with adjustments for climate, activity, and wellness objectives.

Calculate hydration

12+ expert calculators for smarter health decisions

Your health — quantified

Get medically accurate results for body composition, nutrition, and recovery in seconds. Personal recommendations tailored to your goals, 100% free.

12+

Expert Health Calculators

10k+

Monthly Wellness Seekers

4.9/5

Average User Rating

No registration • Clinically reviewed formulas • Instant insights

Health insights at a glance

Every calculator is built with specialists to answer the wellness questions you ask most.

Body Composition

BMI, Body Fat %, Ideal Weight

Nutrition & Fuel

Daily Calories, Macros, Water Intake

Performance & Recovery

Heart Rate, Sleep, Blood Pressure

Life Stages

Pregnancy, Weight Change Planning

Loved by nutritionists, coaches, and 10k+ wellness seekers

Smarter health plans

12+ expert calculators for smarter health decisions

Navigate the full HealthCalcPro suite with one click. Each collection blends clinician guidance with the metrics you rely on every day.

3 calculators

Body Composition

BMI • Body Fat • Ideal Weight

3 calculators

Nutrition & Fuel

Calorie • Macro • Weight Loss

3 calculators

Performance & Recovery

Heart Rate • Sleep • Blood Pressure

2 calculators

Hydration & Vitality

Water Intake • Supplement Guides

2 calculators

Life Stages

Pregnancy • Health Age Quiz

2 experiences

Personal Insights

Health Dashboard • Personalized Tips

Trusted by readers of

Healthline

Men’s Health

Livestrong

Verywell Fit

Fitbit Blog

Why choose HealthCalcPro?

Professional-grade health calculators with instant interpretations, crafted by dietitians, trainers, and medical advisors.

Medically Accurate

Clinician-reviewed formulas updated for 2025 standards ensure every result is trustworthy.

Personalized Insights

Each calculator ends with guided next steps tailored to your goals and daily habits.

Progress Tracking

Complete multiple calculators to build a connected dashboard that tracks change over time.

Most loved

Discover your Health Age in minutes

Answer 12 research-backed questions to reveal how your habits influence longevity and get a personalised improvement plan.

Takes under 5 minutes
Includes shareable results and goal tracking
Updated with 2025 longevity research

Start the Health Age Quiz

New for 2025

Unlock your personal health dashboard

Combine multiple calculator results into a living wellness plan with trend analysis, alerts, and expert tips.

Overall health scoring updated after every calculator
Recommendations matched to your goals and lifestyle
Weekly progress tracking across body, nutrition, and sleep

View the dashboard

Wellness essentials curated for you

Support your calculator results with science-backed supplements and daily nutrition upgrades.

Start your health journey today

Join 10,000+ people who trust our calculators, guides, and dashboards for evidence-based decisions.

Featured experiences

Company & support

Health calculators

BMI Calculator BMI Calculator + Dashboard Body Fat Calculator Body Fat Calculator (Advanced)Calorie Calculator Calorie Calculator (Advanced)Macro Calculator Macro Calculator (Advanced)Weight Loss Calculator Weight Loss Calculator (Advanced)Ideal Weight Calculator Water Intake Calculator Sleep Calculator Heart Rate Calculator Blood Pressure Calculator Pregnancy Calculator

In-depth guides

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No registration • Personalized insights • Built with clinicians

Why HealthCalcPro exists

Turning everyday health questions into confident decisions

About 1 in 3 everyday decisions actually depends on a calculation—whether that’s planning a realistic weight loss timeline, matching macros to training, or figuring out how much sleep debt you’re carrying. Too often we skip the math because the tools are locked behind paywalls, bloated with ads, or just confusing. HealthCalcPro exists to fix that. We built a calm, clinician-reviewed space where BMI, calorie, body fat, hydration, and recovery questions are answered in seconds. Every calculator pairs with a dashboard, health report, or guide so you’re never left wondering what to do next. Explore the full story on @about.