20 Calculators

Health & Fitness Calculators

Optimize your health and fitness journey with our specialized calculators designed to provide valuable insights into your body and nutritional needs. This category includes tools for calculating BMI, body fat percentage, ideal weight, and caloric needs, as well as specific calculators for tracking pregnancy milestones and managing weight loss programs. Whether you're fine-tuning your diet, monitoring fitness progress, or planning for a healthy pregnancy, these calculators offer precise measurements to help you achieve your health goals.

BMI Calculator

The free Body Mass Index calculator, also known as BMI, computes and classifies BMI for children and adults using data obtained from WHO and CDC.

Calorie Calculator

This calorie calculator computes how many calories are required daily to maintain, decrease, or gain weight. Learn about the different types of calories and how they affect you.

BMR Calculator

Free BMR calculator uses well-known algorithms to calculate the basal metabolic rate. Also, find out more about the factors that influence BMR.

Body Fat Percentage Calculator

This free body fat calculator uses the US Navy and BMI methods to approximate body fat percentage. It provides weight loss information to help you achieve your ideal body fat.

Ideal Weight Calculator

Based on many famous equations, this free ideal weight calculator determines an optimal healthy body weight based on age, gender, and height.

Pregnancy Calculator

Using the due date, last period date, ultrasound date, conception date, or IVF transfer date, this calculator generates an expected pregnancy timeline.

Bra Size Calculator

To get a bra that fits properly, it is vital to measure your bra size. This free calculator will tell you how to measure your breast size.

TDEE Calculator

The TDEE calculator provides an accurate estimate of your daily caloric expenditure using your BMR and several other personal characteristics.

BAC Calculator

The Blood Alcohol Concentration Calculator provides an accurate estimate of your current blood alcohol concentration based on several key inputs and personal characteristics.

Conception Date Calculator

This conception calculator calculates your conception date based on the date of your last period, your ultrasound date, or your due date.

Macro Calculator

This macronutrient calculator computes macronutrient requirements relative to age, physical attributes, exercise level, and body weight objectives.

Body Type Calculator

Discover your body shape with our easy and accurate body type calculator. Learn how to flatter your unique proportions with our helpful guide.

Calories Burned Calculator

Track your calorie burn with our free calorie calculator. Quickly estimate your calories burned based on activity and duration.

Protein Calculator

Relying on certain statistics and recommendations, this free protein calculator predicts how much protein a person needs each day to be healthy.

Period Calculator

With our free period calculator, you can find out more about your menstrual cycle and accurately predict when your next period will be.

Pace Calculator

This free pace calculator computes pace, distance and time by setting values of two variables. You can use it for training purposes.

Ovulation Calculator

Not sure when you’re ovulating? Use this free ovulation calculator to estimate your most fertile days and know when you are most likely to conceive.

Army Body Fat Calculator

The Army Body Fat Calculator provides users with an accurate estimate of their body fat percentage using the standards of the U.S. Army.

Pregnancy Weight Gain Calculator

This pregnancy weight gain calculator gives a recommended weight increase plan every week based on the user’s body weight before pregnancy and the parameters provided by the IOM (the Institute of Medicine).

Due Date Calculator

This online due date calculator helps moms-to-be calculate their due date based on their last menstrual period or the date of conception.