- Body Composition Calculator
- Metabolism Calculator
- Nutrition Calculator
- Heart Health Calculator
- Pregnancy Calculator
- Fitness Calculator
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Pizza Party CalculatorFind out how many pizzas to order for your party. Enter guests, slices per person, and slices per pizza to get the exact number of pizzas needed.
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Turkey Thawing CalculatorCalculate how long to thaw a turkey by weight using the refrigerator or cold water method. Plan Thanksgiving safely with estimated thaw times.
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Tea Brewing CalculatorCalculate how many grams of tea leaves to use for any amount of water. Set your preferred strength per 100 ml for the perfect cup or pot every time.
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Fish Oil EPA/DHA CalculatorFind out how many fish oil capsules you need per day to hit your target EPA + DHA dose. Enter your target and per-capsule omega-3 amounts.
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Glycemic Load CalculatorCalculate the glycemic load (GL) of a food serving from its glycemic index and available carbohydrates. See if a serving is low, medium or high GL.
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Meal Calorie CalculatorCalculate total calories in a meal from protein, carbs, fat and alcohol grams. See each macronutrient's calories and percentage of the total.
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Vitamin D Dose CalculatorEstimate the vitamin D3 loading dose in IU to reach a 75 nmol/L target from your serum 25(OH)D level and body weight. Educational use only.
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Grams to Calories CalculatorConvert grams of carbs, protein and fat into total calories (kcal). Uses 4-4-9 calorie factors to estimate the energy in any food or meal.
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Daily Water Requirement and Water Evaporation CalculatorEstimate an adult's daily water requirement (mL/day) from body weight and daily water evaporation from body weight and temperature. For adults; universal.
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Weight-Based Drug Dosage CalculatorCalculate medication dosage by body weight. Enter dose per kg (mg/kg) and patient weight to get total daily dose and per-administration amount.
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Infant Tylenol (Acetaminophen) Dosage CalculatorCalculate the infant Tylenol (acetaminophen) dose in mg and mL by weight, using 10-15 mg/kg and the 160 mg/5 mL infant suspension. US guidance.
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Exclusive Pumping CalculatorEstimate how much breast milk to pump per session and per day for an exclusively pumped baby, based on weight and number of pumping sessions.
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Ibuprofen Dosage CalculatorEstimate an ibuprofen dose by body weight using the 5–10 mg/kg per-dose range. Enter weight to see a single dose, range, and daily maximum.
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Amoxicillin Pediatric Dosage CalculatorCalculate pediatric amoxicillin dosing by weight: total daily dose, mg per dose, and suspension volume in mL. Educational tool — verify with a clinician.
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Baby's Milk Intake CalculatorEstimate your baby's daily milk or formula intake by weight. Calculate mL per day and per feed using the standard 100-200 mL/kg/day guideline.
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Baby Formula CalculatorEstimate how much infant formula your baby needs per day and per feed based on body weight. Quick, simple guide for parents and caregivers.
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Glycemic Load CalculatorCalculate the glycemic load (GL) of a food serving from its glycemic index and carbohydrate grams. See if it is low, medium, or high GL.
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Caffeine Intake CalculatorEstimate how much caffeine is still in your body using a half-life decay model. Enter your dose, hours since intake, and half-life to see remaining mg.
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Alcohol Unit CalculatorCalculate UK alcohol units from drink volume (ml) and ABV (%). Find units per drink and total units to track weekly intake against guidelines.
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Breastfeeding Calorie CalculatorEstimate how many calories you need per day while breastfeeding. Uses Mifflin-St Jeor BMR, your activity level, and a lactation calorie add.
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Added Sugar Intake CalculatorCalculate your daily added sugar limit in grams and teaspoons based on your calorie intake and the AHA guideline of under 10% of calories.
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Sodium in Salt CalculatorConvert grams of salt to milligrams of sodium. Sodium is about 39.3% of table salt (sodium chloride) by mass. Free, instant salt-to-sodium calculator.
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Calorie Deficit CalculatorCalculate your daily calorie deficit from TDEE and target intake, plus estimated weekly fat loss in pounds and kilograms.
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Keto Macros CalculatorCalculate your daily keto macros (fat, protein, carbs in grams) from your calorie target using a standard 70/25/5 ketogenic split.
