Health & Wellness Calculators

Your personal dashboard for tracking fitness, nutrition, and key health metrics.

Age Calculator

Calculate exact age and time differences between any two dates.

Calculate Age

Alcohol Breakdown Calculator

Estimate the time it takes for your body to metabolize alcohol.

Calculate

Army Body Fat Calculator

Calculate body fat using the official U.S. Army (AR 600-9) method.

Calculate

BAC Calculator

Estimate your Blood Alcohol Content (BAC) based on drinks consumed.

Calculate

Blood Pressure Calculator

Check your blood pressure category based on AHA guidelines.

Calculate

Body Surface Area (BSA)

Estimate the total surface area of your body for medical assessments.

Calculate

Bra Size Calculator

Find your accurate bra size for better comfort and support.

Calculate

BMR Calculator

Determine your Basal Metabolic Rate, the calories your body burns at rest.

Calculate

BMI Calculator

Calculate your Body Mass Index to assess your weight status.

Calculate BMI

Body Fat Calculator

Estimate your body fat percentage using the US Navy method.

Calculate

Caffeine Calculator

Estimate how long caffeine will stay in your system and when it's safe to sleep.

Calculate

Calorie Deficit

Calculate daily calorie needs for your weight loss or gain goals.

Calculate

Children's Growth Chart

Track your child's growth (height and weight) using standard percentile charts.

Calculate

Creatinine Clearance Calculator

Estimate kidney function using the Cockcroft-Gault formula.

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Daily Values Calculator

Find your recommended daily nutrient targets based on calorie needs.

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Diabetes Risk Score

Assess your risk of developing type 2 diabetes with a simple test.

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Due Date Calculator

Estimate your pregnancy due date based on your last menstrual period.

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Exercise Calorie Burn

Estimate calories burned during various physical activities and workouts.

Calculate

Food Energy Equivalent

See how much exercise is needed to burn off the calories from your favorite foods.

Calculate

Framingham Risk Score

Estimate your 10-year risk of developing cardiovascular disease.

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Heart Rate Recovery

Measure your heart's recovery time after exercise to assess your fitness level.

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Hydration Calculator

Estimate your daily water intake needs for optimal health.

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Ideal Weight Calculator

Find your ideal body weight range using popular formulas.

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Intermittent Fasting Calculator

Plan your daily eating and fasting windows for schedules like 16:8.

Calculate

Lean Body Mass Calculator

Estimate your fat-free mass to better understand your body composition.

Calculate

Macro Splits Calculator

Calculate your daily protein, carb, and fat intake in grams.

Calculate

Meal Plan Generator

Quickly create simple, healthy meal ideas based on your goals.

Generate Plan

Nutrition Calculator

Get a general overview of your BMR and daily calorie requirements.

Calculate

One-Rep Max (1RM) Calculator

Estimate your maximum strength for any lift, like bench press or squat.

Calculate

Ovulation Calculator

Pinpoint your most fertile days for family planning.

Calculate

Pace Calculator

Calculate your running pace, finish time, and race splits.

Calculate

Pregnancy Due Date

Estimate your baby's due date and key trimester milestones.

Calculate

Pregnancy Weight Gain

Track your recommended weight gain throughout your pregnancy.

Calculate

Protein Intake Calculator

Find your optimal daily protein target for your fitness goals.

Calculate

Sleep Cycle Calculator

Find the best times to wake up or go to bed to feel refreshed.

Calculate

Smoking Cost Calculator

See the long-term financial cost of a smoking habit.

Calculate

Sober Anniversary Calculator

Track your sobriety journey and celebrate milestones in recovery.

Calculate

Stress Level Assessment

Gauge your current stress levels and get tips for management.

Assess Stress

Target Heart Rate

Find your ideal heart rate zones for effective cardio training.

Calculate

TDEE Calculator

Find your total daily calorie needs, or maintenance calories.

Calculate

VO2 Max Calculator

Estimate your cardiovascular fitness and aerobic endurance.

Calculate

Waist-to-Height Ratio

Assess your body fat distribution and potential health risks.

Calculate

WHR Calculator

Assess health risk based on your waist-to-hip ratio and body shape.

Calculate

Water Intake Calculator

Estimate your daily water intake needs for optimal hydration.

Calculate

Wilks Score Calculator

Calculate your relative strength in powerlifting with the Wilks formula.

Calculate

Take Charge of Your Well-being with Our Free Health Calculators

Your Partner in Health: Data-Driven Tools for a Better You

Your health is your most valuable asset, and in today's world, taking a proactive, informed approach to wellness is more important than ever. Our extensive collection of free health and wellness calculators is designed to be your trusted partner on this journey. By translating essential health metrics and complex physiological data into clear, understandable numbers, we empower you to monitor your body, make intelligent lifestyle choices, and track your progress toward your personal health and fitness goals. Whether your focus is on sustainable weight management, improving athletic performance, optimizing your nutrition, or planning for a growing family, our tools provide the critical, data-driven insights you need to succeed and thrive.

We understand that navigating the vast world of health information can often be overwhelming and confusing. That's why we've created a comprehensive suite of calculators based on established, evidence-based scientific formulas, presenting them in a simple, intuitive, and user-friendly format. From answering fundamental questions like "what is my body mass index and is it healthy?" to determining your "optimal daily calorie needs for maintaining my current weight," our calculators eliminate the guesswork and provide a solid, scientific foundation for your health and wellness strategy. They are designed to give you not just numbers, but meaningful context to help you make decisions that foster long-term well-being.

Achieving Weight Management and Fitness Goals with Precision

Managing your weight and improving your physical fitness are two of the most common health goals, but they require a personalized approach for true success. A one-size-fits-all plan rarely works. Our calculators are here to help you tailor a strategy that works for your unique body, metabolism, and lifestyle. The journey often starts with understanding your current physical status. Our BMI Calculator offers a quick, standardized assessment of your weight in relation to your height, giving you a general idea of where you stand. For a more nuanced view, our Body Fat Calculator provides a deeper insight into your body composition, distinguishing between lean mass and fat mass, which is a more accurate indicator of health than weight alone.

Once you have a clear baseline, you can set realistic, measurable targets. Our Calorie Calculator is an indispensable tool that helps you determine the precise amount of energy your body needs each day, whether your goal is to lose, maintain, or gain weight. It takes into account your age, gender, height, weight, and activity level for a personalized recommendation. For those who want to fine-tune their diet for specific outcomes like muscle gain or fat loss, the Macro Calculator helps you find the optimal balance of protein, carbohydrates, and fats. These tools work in concert to help you create a sustainable and effective nutrition plan that properly fuels your body and supports your fitness ambitions, answering questions like "how much protein do I really need to build muscle?"

Supporting Every Stage of Life and Every Activity Level

Health and wellness needs are not static; they evolve as we move through different stages of life and engage in different activities. Our collection of calculators is designed to support you at every point on your journey. For those who are planning to start a family, our Pregnancy Due Date and Ovulation Calculators provide valuable timing insights based on clinical data. Athletes and fitness enthusiasts of all levels, from weekend joggers to competitive marathoners, can benefit immensely from tools like the Running Pace Calculator to optimize their training regimens or the Target Heart Rate Calculator to ensure they're exercising in the most effective and safe intensity zones.

Even the most fundamental aspects of health are covered in our toolkit. Our Water Intake Calculator provides a personalized daily recommendation to ensure you stay properly hydrated, a simple but profoundly crucial component of cognitive function, physical performance, and overall well-being. The Sleep Cycle Calculator helps you wake up feeling refreshed by aligning your bedtime with your body's natural sleep rhythms. By offering a diverse and growing range of specialized tools, we aim to be a comprehensive, lifelong resource for all your health-related questions and planning needs.

Frequently Asked Questions (FAQ)

How is BMI calculated and what does it signify?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = kg/m², where kg is a person's weight in kilograms and m² is their height in metres squared. It is a widely used indicator to classify weight status as underweight, normal weight, overweight, or obese. While it's a very useful screening tool for the general population, it doesn't measure body fat directly and should be interpreted with context, especially for athletes or older adults.

Are online calorie calculators accurate for weight loss?

Online calorie calculators provide a great starting estimate for your daily energy needs. They use scientifically recognized formulas (like the Mifflin-St Jeor equation) and account for key factors like your age, sex, weight, height, and activity level. This estimate is an excellent baseline for a weight loss plan. However, for highly personalized advice, especially if you have underlying health conditions, it's always best to consult with a healthcare provider or a registered dietitian.

What is the difference between a BMI calculator and a body fat calculator?

A BMI calculator provides a general measure of your weight relative to your height. A body fat calculator, on the other hand, aims to estimate the percentage of your total body weight that is composed of fat. A body fat calculation can offer a more detailed and often more accurate picture of your health and fitness level, as high body fat can be a health risk even for someone with a 'normal' BMI.

How can a pace calculator help improve my running?

A running pace calculator is an excellent training tool for runners of all levels. It helps you establish consistent pacing during your workouts, which is key to building endurance. You can use it to set realistic time goals for races of various distances (like a 5K, half-marathon, or full marathon) and to understand your splits (how fast you're running each mile or kilometer). This allows for smarter training, better race-day strategy, and continuous improvement.

Start Your Wellness Journey with Confidence

Making positive, lasting changes to your health and wellness is a journey, not a destination. With our free, accessible, and scientifically-backed online calculators, you have a reliable companion to guide you every step of the way. We encourage you to explore our tools today to gain a deeper understanding of your body, set meaningful and achievable goals, and track your progress with accuracy and ease. Your path to a healthier, happier you starts with a single, informed step.