Blood Alcohol Calculator
DON'T DRINK AND DRIVE! See how little alcohol is required to change the alcohol content of your blood stream.[...]
Health Calculators
BMR Calculator – Basal Metabolic Rate
This calculator will determine how many calories you burn each day based on your age, sex, height, weight and current level of activity. When selecting your activity level use: Sedentary (little or no exercise) Lightly active (light exercise/sports 1-3 days/week) [...]
Body Fat Calculator
How much fat are you carrying? Find out if you have a healthy body fat percentage with this calculator. This tool provides: body fat percentage for women, body fat percentage for men, and recommended ideal body fat percentage based on your[...]
Body Fat Calculator – U.S. Army Formula
How much fat are you carrying? Find out if you have a healthy body fat percentage with this calculator. This tool provides: body fat percentage for women, body fat percentage for men, and recommended ideal body fat percentage based on your[...]
Body Fat Calculator – U.S. Navy Formula
How much fat are you carrying? Find out if you have a healthy body fat percentage with this calculator. This tool provides: body fat percentage for women, body fat percentage for men, and recommended ideal body fat percentage based on your[...]
Body Fat Percentage Calculator – U.S. Marine Corp Formula
How much fat are you carrying? Find out if you have a healthy body fat percentage with this calculator. This tool provides: body fat percentage for women, body fat percentage for men, and recommended ideal body fat percentage based on your[...]
Body Fat Percentages – YMCA Algorithm
How much fat are you carrying? Find out if you have a healthy body fat percentage with this calculator. This tool provides: body fat percentage for women, body fat percentage for men, and recommended ideal body fat percentage based on your[...]
Body Mass Index – BMI Calculator
Do you have more mass than your heart can handle? The body mass index calculator will tell you. Medical researchers searched for an accurate, uniform way to measure fatness for decades when in 1972, physiology professor and obesity researcher Ancel Keys[...]
Calories Burned – Calorie Calculator
Are you curious how many calories you burn during different activities? Here at HealthSurgeon, we provide a calorie burned calculator that breaks it all down for you. Whether you are looking to lose weight or simply maintain your current physique,[...]
Calories to Gain Weight
This calculator will determine how many calories you should eat on a daily basis if you are trying to gain weight. Learn how many calories to gain weight safely and how to gain weight fast. The calculator will only show[...]
Calories to Lose Weight
This calculator will determine how many calories you should eat on a daily basis if you are trying to lose weight. Learn how many calories to lose weight safely, and how to lose weight fast. The weight losss calculator will[...]
CBD Dosage Calculator
CBD oil, or tincture, can be administered under your tongue, where it is absorbed directly into your bloodstream. This method of delivery bypasses the two systems in your body that can reduce the desired effects of CBD: the pulmonary system[...]
Daily Energy Expenditure
Calculate how many calories your body needs to function properly. Also known as the basal metabolic rate (BMR) calculator. This will give you an idea of the minimum number of calories you should eat each day if you are trying[...]
Heart Rate Zone Calculator | Karvonen Formula | Target Training Zones
Calculate your personalized heart rate training zones with our Karvonen Formula calculator. Input your age and resting heart rate to get customized heart rate zones for specific training goals: fat burning, endurance building, cardiovascular improvement, and performance training. For most[...]
Hydration Calculator | Daily Water Intake Calculator | How Much Water Should I Drink?
Calculate how much water you should drink daily with our personalized Hydration Calculator. Based on your weight, activity level, climate, and individual factors, this calculator provides a customized water intake recommendation beyond the generic "8 glasses a day" advice. Get[...]
Ideal Weight
Use this tool to determine your ideal body weight. The ideal weight calculator can help you determine if you should be considering a diet.[...]
Ideal Weight for Children
This ideal weight calculator was specially formulated for kids under the age of 18. It is important for children to maintain an ideal weight as it assures they are getting enough nutrition as they grow and that they are not[...]
Lean Body Mass
Increasing your leans while you reduce your fats is key to looking great. Working out and improving your fitness is crucial to building muscle.[...]
Lose One Pound
How long does it take to lose a pound doing your favorite activity? This will show you the number of minutes of activity required to burn 3500 calories for over 200 different activities. Armed with this information you can lose[...]
Metabolic Age Calculator | Is Your Body Younger Than Your Age? | BMR Test
Calculate your metabolic age with our free calculator to see if your metabolism is younger or older than your actual age. This calculator compares your Basal Metabolic Rate (BMR) with age-group averages to determine if you're burning calories efficiently. A[...]
Ovulation Calculator
Looking to get pregnant? You need an accurate roadmap for when you're most fertile. This ovulation calculator will help predict your peak days of fertility, so use it wisely! Menstrual periods can vary from woman-to and month - even in[...]
Pregnancy Due Date
Pregnant? Think you are? Find out when the baby is due and key dates for your pregnancyContinue Reading[...]
Protein Calculator | Daily Protein Intake Requirements | Protein Needs By Weight
Calculate your daily protein requirements with our protein calculator based on your weight, activity level, and fitness goals. Whether you're building muscle, losing weight, supporting athletic performance, or maintaining general health, this calculator provides your exact protein needs in grams[...]
RFM Calculator – Relative Fat Mass Index | Better Than BMI For Body Fat
Calculate your body fat percentage using the Relative Fat Mass (RFM) formula with our free calculator. RFM requires only your height and waist measurements and is scientifically proven to estimate body fat percentage more accurately than BMI. Developed by researchers[...]
Sleep Cycle Calculator | Optimal Bedtime Calculator | Wake Time Calculator
Calculate your ideal bedtime or wake-up time with our Sleep Cycle Calculator. Based on 90-minute sleep cycles, this calculator helps you wake during light sleep rather than deep sleep, reducing morning grogginess. Simply enter either your desired wake time or[...]
Target Heart Rate
Achieving your target heart rate is key to maximizing the effectiveness of your areobic work out. Knowing your Target Heart Rate range is a good number to have in your health tool portfolio. Your Target Heart Rate is a range of[...]
Waist to Hip Ratio
Are you at increased risk of heart disease because of your shape? Do you need to consider a diet program to decrease the size of your waist or hips?[...]
Weight Loss Calculator
This weight loss calculator will show you how long it will take to reach your target weight (gaining or losing), based on different levels of calorie intake. Determine how to lose weight fast, in few days, or a longer period[...]
WHtR Calculator – Waist-to-Height Ratio | Better Than BMI?
Calculate your Waist-to-Height Ratio (WHtR) with our free calculator to assess your health risk based on body fat distribution. Unlike BMI, WHtR specifically measures abdominal fat, a better predictor of heart disease and diabetes risk. The healthy guideline is simple:[...]