Health and Fitness

  • Weight Loss Timeline Calculator
    Estimate how long it takes to reach your goal weight from a daily calorie deficit. Get weeks, days, and months to hit your target.
  • Jump Rope Calories Burned Calculator
    Estimate calories burned jumping rope from your body weight, workout duration and skipping intensity using the MET formula. Free and instant.
  • Weeks Until Due Date Calculator
    Find how many weeks are left until your due date. Enter your due date and today's date to see weeks and days remaining and your approximate gestational age.
  • Days Until Due Date Calculator
    Count the days, weeks, and weeks-and-days remaining until any target date. Free countdown calculator for deadlines, vacations, and events.
  • BMR Calculator (Mifflin-St Jeor)
    Calculate your Basal/Resting Metabolic Rate with the Mifflin-St Jeor equation. Enter weight, height, age and gender to get daily resting calories.
  • Grams to Cups Converter (Flour & Sugar)
    Convert grams to cups for flour, sugar and more. Choose your ingredient and get an instant, accurate cup measurement plus tablespoons.
  • Keto Macro Calculator
    Calculate your daily keto macros in grams. Enter calories and your fat/protein/carb percentages to get fat, protein and carb targets for a ketogenic diet.
  • Yoga Calories Burned Calculator
    Estimate calories burned during yoga using the MET formula. Choose your style, enter weight and duration to get kcal burned for Hatha, Vinyasa, Hot yoga and more.
  • Daily Calorie Needs by Goal Calculator
    Calculate your daily cutting calorie target from your TDEE and a chosen deficit percentage, plus weekly deficit and estimated fat loss in kg and lb.
  • Creatinine Clearance Calculator (Cockcroft-Gault)
    Estimate creatinine clearance (CrCl) with the Cockcroft-Gault equation using age, weight, sex and serum creatinine. Get mL/min and a kidney function category.
  • Pack-Years Calculator
    Calculate smoking pack-years from cigarettes per day and years smoked. Free tool using the standard pack-years formula for medical screening.
  • Salt to Sodium Converter
    Convert grams of salt to milligrams of sodium instantly. 1 g of salt equals 393.4 mg of sodium — track your daily sodium intake easily.
  • Postpartum Weight Loss Calculator
    Estimate how many weeks to reach your goal weight after birth using safe loss rates (~0.5 kg/week if breastfeeding). General guidance only.
  • METs to Calories Burned Calculator
    Convert METs to calories burned. Enter activity intensity (METs), body weight, and duration to estimate the energy you expend during exercise.
  • Pregnancy Water Intake Calculator
    Estimate your daily water needs during pregnancy or breastfeeding based on body weight and exercise. Get results in liters, cups and fluid ounces.
  • Breast Milk Storage Time Calculator
    Find out how long freshly pumped breast milk stays safe. Enter the pump time and storage location to get the safe-until date for room, fridge or freezer.
  • Newborn Weight Loss Percentage Calculator
    Calculate your newborn's weight loss percentage from birth weight and current weight. See if it exceeds the 10% pediatric concern threshold.
  • Carb to Insulin Ratio (Bolus) Calculator
    Estimate a mealtime insulin bolus from carbs, your carb ratio (ICR), current and target blood glucose, and insulin sensitivity factor (ISF).
  • Baby Gender Heart Rate Predictor
    Try the old wives' tale: enter your baby's fetal heart rate and see if the folk rule predicts a boy or a girl. Just for fun — not medical advice.
  • Calories Per Serving Calculator
    Calculate calories per serving by dividing total recipe calories by the number of servings. Free, instant per-portion calorie calculator for any recipe.
  • Goal Weight at Target Body Fat Calculator
    Find your goal weight for a target body fat percentage. Enter current weight and body fat to see how much you'd weigh while preserving lean mass.
  • Calories Burned Walking Calculator
    Estimate calories burned walking from your weight, walking speed and duration. Get kcal, distance and approximate step count using MET values.
  • Macronutrient Calculator
    Convert your daily calorie target and macro percentage split into grams of protein, carbohydrates, and fat per day. Free macro calculator.
  • Sugar Grams to Teaspoons Calculator
    Convert grams of sugar to teaspoons instantly. Enter sugar in grams to see the equivalent teaspoons using the standard 4.2 g per teaspoon factor.

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