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31 calculators available
BMI Calculator
Calculate your Body Mass Index to understand your weight category and healthy weight range.
TDEE Calculator
Calculate your Total Daily Energy Expenditure to determine your daily calorie needs for weight management.
Calorie Calculator
Calculate your daily calorie needs for weight maintenance, loss, or gain. Simple and accurate calorie calculator.
Due Date Calculator
Calculate your pregnancy due date using your last menstrual period, conception date, or ultrasound.
Ovulation Calculator
Calculate your ovulation date and fertile window. Track your most fertile days to maximize your chances of conception.
Pregnancy Week Calculator
Calculate what week of pregnancy you're in and track your pregnancy progress week by week.
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI.
Contraction Timer
Track your labor contractions with our free contraction timer. Monitor duration, frequency, and intervals.
Heart Rate Calculator
Determine your target heart rate zones for cardio, training, and recovery.
Ideal Weight Calculator
Find your recommended weight range using multiple medical formulas.
Body Fat Percentage
Estimate your body fat using skinfold and circumference measurements.
Water Intake Calculator
Determine optimal daily water intake based on weight, activity, and climate.
Macro Calculator
Calculate macronutrient targets to support your health and fitness goals.
Sleep Calculator
Find the best time to sleep or wake up based on ideal sleep cycles.
One Rep Max Calculator
Calculate your one-rep maximum (1RM) using multiple formulas for strength training.
Protein Calculator
Calculate your optimal daily protein intake based on weight, activity level, and fitness goals.
Body Water Percentage Calculator
Calculate your total body water percentage and water distribution using the Watson formula.
Lean Body Mass Calculator
Calculate your lean body mass (LBM) - the weight of everything in your body except fat.
Calorie Burn Calculator
Calculate how many calories you burn during various activities including walking, running, and more.
Army Body Fat Calculator
Calculate your body fat percentage using the US Army method and check if you meet Army standards.
BMR Calculator
Calculate your Basal Metabolic Rate - the number of calories your body burns at rest.
Calorie Deficit Calculator
Calculate your daily calorie target for safe and effective weight loss based on your goals.
Keto Macro Calculator
Calculate your optimal macronutrient targets for a ketogenic diet with personalized fat, protein, and carb ratios.
Weight Loss Calculator
Calculate your personalized weight loss plan with daily calorie targets, projected timeline, and weight milestones.
Body Shape Calculator
Determine your body shape (apple, pear, hourglass, rectangle, inverted triangle, or oval) based on your measurements.
VO2 Max Calculator
Calculate your VO2 max (maximum oxygen consumption) using Cooper, Rockport, or Bruce test results.
Carb Cycling Calculator
Calculate your carb cycling diet plan with high carb, low carb, and no carb days for optimal results.
Running Pace Calculator
Calculate your running pace, time, distance, and speed. Convert between pace and speed for any distance.
Wilks Score Calculator
Calculate your Wilks score to compare powerlifting strength across different body weights.
Healthy Weight Range Calculator
Calculate your healthy weight range using multiple medical formulas based on height, gender, and frame size.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and view an amortization schedule.
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