Beauty & Health Calculators

Track your wellness, fitness, and appearance with our free online calculators. From BMI and calorie intake to body fat and ideal weight — everything you need for a healthier lifestyle in one place.

Waist to Height Ratio

This calculator determines your Waist to Height Ratio (WHtR), an effective screening tool for assessing abdominal fat and associated health risks. Unlike BMI, it focuses on fat distribution, making it a better predictor of cardiovascular and metabolic risk.

Standards Height

This calculator provides reference height ranges based on age and gender. It helps determine whether a child’s or teenager’s growth is within the normal range compared to global growth standards. A helpful tool for parents, educators, and health professionals.

Proportionality of Body

This calculator evaluates the proportionality of your body by comparing the combined girths of the upper body and legs to hip size. It helps assess symmetry and detect imbalances in muscle development, often used in fitness and physique optimization.

ProPoints Weight

This calculator estimates Weight Watchers ProPoints based on the nutritional content of food. It uses values for protein, carbohydrates, fat, and fiber to help you track your daily food intake and make healthier dietary choices.

Percentage Body Fat

This calculator estimates your body fat percentage using the Deurenberg formula, which is based on BMI, age, and gender. It's a fast and accessible method for evaluating body composition without the need for calipers or measurements.

Ideal Weight

This calculator estimates your ideal body weight using four widely recognized formulas: Robinson, Miller, Hamwi, and Devine. It also compares your current weight to the WHO-recommended healthy BMI range. Just enter your height and gender to see multiple predictions of your optimal weight.

Ideal Body Proportions

This calculator determines the ideal body proportions for bodybuilding based on your height. Using classic aesthetic ratios, it calculates recommended sizes for chest, waist, biceps, thighs, and more to help you achieve a symmetrical and visually balanced physique.

Ideal Body Proportions

This calculator estimates ideal body proportions based on your wrist circumference. Using classical symmetry ratios often referenced in bodybuilding and aesthetics, it predicts ideal chest, waist, arms, hips, and other body part sizes to create a visually balanced physique.

Golden Ratio Face

This calculator analyzes the symmetry of your facial features based on the Golden Ratio (approximately 1.618), a proportion historically linked to physical beauty. It compares the distances between key facial points to determine how closely your face aligns with this ideal ratio.

Full Body Analysis

This comprehensive calculator evaluates your entire body profile, including BMI, body shape (WHR), frame size, ideal weight, lean and fat mass, resting metabolic rate (RMR), daily calorie needs, and target/max heart rate. Perfect for fitness tracking, health assessment, and personalized training plans.

Fat-Free Mass Index

This calculator estimates your Fat-Free Mass Index (FFMI), a measure of muscle mass relative to height, often used in fitness and bodybuilding. It calculates lean body mass and adjusts FFMI based on a standardized height of 1.8 m (5 ft 11 in) to compare physiques across individuals.

Daily Points Plus Allowance

This calculator estimates your Daily PointsPlus Allowance based on your height, weight, age, and gender. It's primarily used in diet and weight management programs to determine your daily food point limit, helping you plan meals and manage calorie intake effectively.

Burned Calories

This calculator estimates body fat percentage using circumference measurements such as waist, neck, and hips (for women), along with height. It’s based on the U.S. Navy method and offers a practical alternative when skinfold calipers aren’t available.

Burned Calories

This calculator estimates how many calories you burn based on your weight, number of steps, stride length, and distance covered. It's a simple and effective tool for tracking energy expenditure during walking or running activities.

Body Mass Index

This calculator helps you determine your Body Mass Index (BMI), a widely used indicator to classify underweight, normal weight, overweight, and obesity based on your height and weight. It is a simple and effective tool for assessing general body health and risk of chronic diseases.

Body Mass for Women

This calculator estimates a woman’s body fat percentage and lean body mass using the Jackson-Pollock 7-point skinfold method. It uses age, weight, and seven caliper measurements to provide a reliable body composition estimate for most individuals.

Body Mass For Men

This calculator estimates your body fat percentage and lean body mass using the Jackson-Pollock 7-point skinfold method. It requires age, weight, and seven skinfold measurements for a detailed body composition analysis. While accurate for most, it may underestimate fat in extremely lean bodybuilders.

Body Fat Percentage

This calculator estimates your total body fat percentage, which includes both essential fat and storage fat. Essential fat is crucial for vital body functions, while storage fat accumulates in adipose tissue. Use this tool to better understand your body composition and health status.

Body Adiposity Index

This calculator estimates your Body Adiposity Index (BAI), a measurement of body fat percentage based on hip circumference and height. Unlike BMI, BAI doesn't require weight, making it a practical tool for evaluating body composition when scales aren't available.

Activity Points

This calculator helps you estimate activity points earned from physical exercises based on your weight, the duration of the activity, and an intensity factor. Commonly used in fitness tracking and programs like Weight Watchers, it offers a simple way to measure exercise impact on your daily routine.

3-Point Body Fat

This calculator estimates your body fat percentage and lean body mass using the Jackson-Pollock 3-point skinfold method. It requires your weight, age, and measurements at three skinfold sites. Ideal for fitness tracking, it's widely used due to its simplicity and fair accuracy, though it may underestimate fat in very lean individuals.

Urine Albumin-Creatinine Ratio (UACR)

This calculator helps assess kidney function by calculating the urine albumin-to-creatinine ratio (UACR). It’s a standard test for detecting early kidney damage, especially in individuals with diabetes or hypertension.

Total Parenteral Nutrition (TPN)

This calculator helps determine the total nutritional needs of patients requiring parenteral (IV) nutrition. It estimates Basal Energy Expenditure (BEE), Ideal Body Weight (IBW), macronutrient distribution (lipids, dextrose, protein), nitrogen balance, and the non-protein calorie-to-nitrogen ratio.

Systemic Vascular Resistance (SVR)

This calculator estimates Systemic Vascular Resistance (SVR), a key measure of afterload and vascular tone. It uses mean arterial pressure (MAP), central venous pressure (CVP), and cardiac output (CO) to assess blood flow resistance within systemic circulation.

Specific Absorption Rate (SAR)

This calculator determines the Specific Absorption Rate (SAR), which measures the rate at which the body absorbs energy from an electromagnetic field. It's primarily used to evaluate radiation exposure from devices like mobile phones.

Resting Metabolic Rate (RMR)

This calculator estimates your Resting Metabolic Rate (RMR) — the number of calories your body needs at rest to maintain vital functions like breathing, circulation, and cell production. It's based on weight, height, age, and gender using the Mifflin-St Jeor equation.

Nicotine Level

This calculator estimates your daily nicotine intake based on the number of cigarettes you smoke and the average nicotine content per cigarette. It's a helpful tool for smokers to understand their nicotine exposure and consider reduction strategies.

Mifflin-St Jeor BMR

This calculator estimates your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor Equation. It provides the number of calories your body needs at rest based on your age, gender, weight, and height—essential for weight management and nutrition planning.

Karvonen Heart Rate

This calculator estimates your target heart rate for exercise using the Karvonen formula. It considers your age, resting heart rate, intensity percentage, and gender to calculate personalized training zones for optimal cardiovascular performance.

IV Flow Rate

This calculator determines the intravenous fluid flow rate based on the total volume to be infused, infusion time, and a flow factor. It’s a valuable tool for healthcare providers to ensure accurate and consistent fluid administration.

IV Drip Rate

This calculator helps determine the appropriate drip rate for intravenous fluid administration. Based on the volume to be infused, drop factor, and duration, it calculates the required drops per minute for accurate manual IV delivery.

Blood Type Inheritance

This calculator determines possible parent blood groups based on a child's blood type. It helps explore the genetic inheritance patterns of ABO and Rh blood groups between parents and offspring.

Heart Rate Calorie Burn

This calculator estimates how many calories you burn during exercise based on your heart rate, weight, age, duration, and gender. It provides a personalized calculation using scientifically validated formulas for males and females.

Heart Beats Since Birth

This calculator estimates how many times your heart has beaten since you were born. Based on your birth date and average resting heart rate, it provides a fun and fascinating insight into your body's lifelong activity.

E-Juice Mixing

This calculator helps you mix your own e-liquid by calculating the exact amounts of nicotine base, PG, VG, and flavoring needed. Enter your desired nicotine strength, target volume, and flavor percentage to get a customized e-juice recipe.

Hardy-Weinberg Equilibrium

This genetics calculator determines allele frequencies and expected genotype frequencies under Hardy-Weinberg equilibrium. It also calculates the chi-square statistic to test whether a population is in genetic equilibrium.

IV Drops Per Minute

This calculator determines the required number of IV drops per minute for fluid administration. Based on the total volume, drop factor, and time, it helps ensure accurate infusion rates during intravenous therapy.

Type 2 Diabetes Insulin Level

This calculator estimates insulin level requirements for individuals with Type 2 Diabetes Mellitus. By inputting your weight, height, fasting blood glucose (FBG), and an adjustment factor, it provides a personalized estimate to support diabetic health monitoring.

Breath Counter Since Birth

This fun health calculator estimates how many breaths you have taken since the day you were born. Simply enter your birth date, and the tool will calculate your total number of breaths based on an average respiration rate.

Cockcroft-Gault Creatinine

This calculator estimates creatinine clearance (CrCl) using the Cockcroft-Gault equation. It helps assess kidney function based on age, weight, serum creatinine, and gender, making it a valuable tool in medication dosing and renal function monitoring.

Cigarette Expense

This calculator helps you estimate how much money you spend on smoking daily, monthly, and yearly. By understanding the financial impact of your smoking habit, you can take steps to reduce or quit for both your health and your wallet.

BUN to Creatinine Ratio

This calculator determines the ratio between Blood Urea Nitrogen (BUN) and serum creatinine levels. It's a valuable diagnostic tool used to assess kidney function and identify the underlying cause of acute kidney injury.

Bruce Protocol VO₂ Max

This calculator estimates VO₂ max using the Bruce Protocol treadmill stress test. It measures cardiovascular endurance based on exercise duration and provides an approximation of oxygen uptake (mL/kg/min), helping athletes and clinicians evaluate heart and lung fitness.

Blood Pressure Range

This calculator helps you assess your blood pressure levels by entering systolic and diastolic values. It determines whether your blood pressure is normal, elevated, or within hypertensive stages, offering a quick and easy way to monitor cardiovascular health.

Arterial Blood Gas

This medical calculator helps you analyze Arterial Blood Gas (ABG) values for a better understanding of a patient’s respiratory and metabolic status. It interprets pH, PaCO₂, and HCO₃⁻ levels to determine the type of acid-base disturbance and compensation status.

Blood Alcohol Content (BAC)

This calculator estimates your Blood Alcohol Content (BAC) or Blood Alcohol Level (BAL) based on your weight, gender, the number of drinks consumed, and the time elapsed. It helps you understand your level of intoxication and potential impairment after alcohol consumption.

Weight Gain Calorie and Protein

This calculator helps you determine the number of calories and protein you need per day to gain weight in a healthy and structured way. Ideal for individuals looking to build muscle mass, recover from weight loss, or improve overall nutrition.

Daily Water Intake

This calculator helps estimate the amount of water you should drink daily based on your weight and activity level. It offers a quick and easy way to understand your body’s hydration needs and maintain proper health and energy levels.

Turkey Club Sandwich

This calculator helps you estimate the number of calories in a classic Turkey Club Sandwich, also known as the Clubhouse Sandwich. It includes ingredients like toasted bread, bacon, lettuce, tomato, and turkey. Ideal for tracking your food intake and managing your diet.

Long-Term Food Storage

This food storage calculator helps estimate the minimum quantity of essential food items required for long-term survival or emergency preparedness. It's ideal for individuals or families planning food supplies for several months or even a year.

Required Daily Calorie Intake

This calculator helps estimate how many calories your body needs each day based on your weight. It's a simple and effective way to determine your daily calorie requirement for maintaining energy balance and supporting your lifestyle.

Daily Energy Expenditure

This online calculator estimates the number of calories your body burns each day based on your height, weight, age, gender, and activity level. It's an essential tool for managing weight, planning diets, and optimizing fitness routines.

Dukan Diet Phase

The Dukan Diet is a high-protein, low-carb diet inspired by how early humans ate. It allows unlimited amounts of 100 approved foods (72 animal-based and 28 plant-based) and is divided into four structured phases to help you lose weight and maintain results.

Days for Weight Loss

This calculator helps you estimate how many days it will take to reach your target weight by reducing your daily calorie intake. Based on the principle of a daily calorie deficit (up to 500 kcal), it provides a realistic timeline for healthy and gradual weight loss.

Calorie of Food

This free online nutrition calculator helps you estimate the calorie content and basic nutritional facts of your favorite food items or homemade recipes. Ideal for anyone tracking their diet, meal planning, or following a fitness or weight loss program.

Basal Metabolic Rate

Use this calculator to estimate your Basal Metabolic Rate (BMR), the number of calories your body burns at rest in a neutral environment. It's a key tool for understanding your daily calorie needs and adjusting your diet for weight loss, maintenance, or gain.

Average Calories Per Meal Per Day

This calculator helps you determine how many calories you should consume per meal throughout the day based on your daily calorie needs and number of meals. It's useful for individuals tracking their nutrition, maintaining a healthy diet, or planning weight management goals.

Weekly Pregnancy Weight Gain

This calculator estimates the recommended weekly weight gain during pregnancy based on your Body Mass Index (BMI) before pregnancy. It helps monitor healthy weight gain depending on your current pregnancy week, height, and pre-pregnancy weight, supporting optimal health for both mother and baby.

Ultrasound Gestation Period

This calculator estimates the gestational age of a pregnancy based on ultrasound measurements, such as Crown-Rump Length (CRL) or Biparietal Diameter (BPD). Ultrasound-based dating is especially accurate in early pregnancy and helps track fetal development, estimate due dates, and schedule prenatal care.

Safe Days

This safe days calculator helps you identify the infertile period in a woman’s menstrual cycle when the chances of pregnancy are lowest. By entering the date of the last menstrual period, average cycle length, and menstruation duration, it estimates safe days, fertile days, and ovulation. It can be used both for natural birth control and to plan conception.

Pregnancy Gestational Diabetes Diet

This calculator is designed for pregnant women diagnosed with gestational diabetes. It helps calculate important health metrics such as BMI, Ideal and Adjusted Body Weight, Basal Metabolic Rate (BMR), and recommended daily caloric intake. These values help tailor a healthy pregnancy diet and monitor appropriate weight gain to ensure optimal outcomes for both mother and baby.

Pregnancy Due Date

This calculator helps expectant mothers determine their baby’s due date — also known as the Estimated Date of Delivery (EDD). By entering the first day of your last menstrual period (LMP), you’ll get an accurate estimate of your 40-week pregnancy timeline.

Find Your Due Date

This calculator helps you find your estimated due date based on the first day of your last menstrual period (LMP). It also provides key pregnancy milestones, including estimated conception date, fertility window, and the end of the first and second trimesters. A simple and reliable way to track your pregnancy from day one.

How Many Weeks Pregnant Are You?

This calculator helps you determine how many weeks pregnant you are based on the date of your last menstrual period (LMP). It also estimates your due date and shows how many weeks and days remain until delivery. Pregnancy typically lasts between 37 and 42 weeks, and knowing your current gestational age helps track important milestones.

Gestational Age Calculator (AOG)

Gestational age, also known as Age of Gestation (AOG), is the number of weeks a pregnancy has progressed since the first day of the last menstrual period (LMP). This calculator estimates how far along you are in your pregnancy by using your LMP and average cycle length. It’s an essential tool for tracking fetal development and expected due dates.

Fertile Days and Ovulation

This fertility calculator helps women determine their most fertile days and ovulation date to increase the chances of pregnancy. By entering the start date of your last menstrual period and average cycle length, it predicts the optimal window for conception and provides a personalized ovulation calendar.

Date of Conception

Want to know when your baby was conceived? This calculator estimates the date of conception based on the first day of your last menstrual period (LMP) and your average cycle length. It’s a helpful tool for expecting parents who want to understand more about the timeline of their pregnancy.

Crown Rump Length (CRL)

Crown Rump Length (CRL) is the measurement from the top of the fetus’s head (crown) to the bottom of the buttocks (rump), typically taken between 6 to 13 weeks of pregnancy. This calculator estimates fetal length based on gestational age or helps assess gestational age based on CRL.

Chinese Baby Gender

The Chinese Baby Gender Calculator is a centuries-old tool based on the Chinese lunar calendar. By using the mother’s age at conception and the month of conception, it predicts whether you’ll have a boy or a girl. Though not scientifically verified, it’s a popular and fun tradition followed by many.

Child Gender by Blood Renewal

Based on a popular theory, this calculator predicts the gender of a baby by comparing the biological “renewal cycles” of blood in both parents. According to the concept, blood in men renews every 4 years and in women every 3 years. The parent whose blood is “newer” at the time of conception is believed to pass on their gender to the child. While not scientifically proven, this method is widely used as a fun way to guess a baby’s gender.

Child Gender by Rh Factor of Parents

This calculator predicts the possible gender of a child based on the Rh factor (positive or negative) of both parents. Although this method is not scientifically proven, it is based on common folk beliefs that Rh compatibility influences the likelihood of conceiving a boy or a girl. It’s often used for fun or out of curiosity by expectant parents.

Child Gender by Parent Blood Type

This calculator predicts the gender of an unborn child based on the blood types of both parents. Although not scientifically guaranteed, this method is based on popular theories and traditions that associate blood compatibility with gender probability. It can be a fun and curious tool for expectant couples.

Calendar of Ovulation and Fertility

This fertility and ovulation calendar helps you determine the most favorable days for conception based on your menstrual cycle. It predicts ovulation dates, fertile windows, and the next menstrual period, allowing you to plan pregnancy and even estimate the baby’s zodiac sign.

Child Height and Weight

This online calculator helps you estimate your child’s height and weight percentiles based on their age, using standardized growth charts. It’s a useful tool for parents to monitor healthy development and identify potential concerns in physical growth.

Baby Eye Color

Wondering what color eyes your baby might have? This baby eye color calculator uses the genetics of the parents’ eye colors to estimate the most likely outcomes, based on both heterozygous and homogenous inheritance models. It’s a fun and educational tool for expecting parents.

Bench Press 1RM

Estimate your one-rep max (1RM) for the bench press using this calculator. By entering the weight lifted and the number of reps performed, you can calculate the maximum amount of weight you can lift for one repetition. This tool is useful for strength athletes, bodybuilders, and trainers to assess and plan workout intensity.

Beep Test VO2Max

Estimate your aerobic capacity with the Beep Test VO2Max Calculator. Enter your level and number of shuttles to determine your maximal oxygen uptake (VO2Max) based on your performance in the Beep Test — a progressive 20-meter shuttle run. Useful for athletes, fitness trainers, and anyone tracking cardiovascular endurance.

Beauty & Health Calculators

Appearance

Children

Food

Health

Pregnancy

Sports