Nutrition Calculator

  • Intermittent Fasting Window Calculator
    Plan your intermittent fasting schedule. Enter your protocol (16:8, 18:6, 20:4, OMAD) and eating start time to get exact eating and fasting windows.
  • Daily Calorie Intake by Goal Calculator
    Calculate your daily calorie intake for cutting, maintaining, or bulking based on BMR, TDEE, and activity level using the Mifflin-St Jeor equation.
  • Maintenance Calories Calculator
    Calculate your maintenance calories (TDEE) from BMR and activity level using the Mifflin-St Jeor equation. See loss and gain targets too.
  • Calories In vs Out Calculator
    Calculate your daily calorie balance (in vs out) using calories consumed, BMR and exercise. See net surplus or deficit and estimated weight change.
  • Calories to Pounds Calculator
    Convert calories to pounds (and kilograms) of body fat. Uses the standard 3,500 calories per pound rule to estimate fat-loss equivalents.
  • Puppy Food Calculator
    Calculate how much to feed your puppy each day based on weight, age, and food calories. Uses the RER energy formula for healthy growth.
  • Horse Feed Calculator
    Calculate how much hay and grain to feed your horse each day based on body weight, using the standard 2% of body weight forage rule.
  • Cat Food Calculator
    Calculate how much to feed your cat each day in grams based on weight, life stage and food calorie density using the vet RER/DER energy formula.
  • Daily Caffeine Intake Calculator
    Add up caffeine from coffee, espresso, tea, energy drinks and soda. See your total mg per day and how it compares to the 400 mg safe limit.
  • Creatine Dosage Calculator
    Calculate your personalized creatine monohydrate loading and maintenance dose by body weight (kg or lb), based on 0.3 and 0.03 g/kg/day.
  • Protein Intake Calculator
    Calculate your daily protein intake in grams from body weight and activity level. Find how much protein per day and per meal you need to hit your goals.
  • Pregnancy Calorie Needs Calculator
    Estimate daily calorie needs during pregnancy by trimester. Uses Mifflin-St Jeor TDEE plus standard +340/+452 kcal add-ons. General guidance only.
  • Calories to Fat Loss Calculator
    Convert a calorie deficit into estimated body-fat loss in kg and lb. Enter your daily deficit and days to see how much fat you could lose.
  • Recipe Scaling Calculator
    Scale any recipe ingredient up or down for a new number of servings. Enter the original amount and servings to get the adjusted quantity instantly.
  • Cooking Measurement Conversion Calculator
    Convert cooking measurements between teaspoons, tablespoons, cups, fluid ounces, pints, quarts, gallons, milliliters and liters (US units) instantly.
  • Pizza Calculator
    Find out how many pizzas to order for any party. Enter guests, slices per person, and slices per pizza to get the exact number to buy.
  • Pet Daily Calorie Requirement Calculator
    Estimate how many calories a dog or cat needs per day from body weight using the veterinary RER (70*W^0.75) and maintenance energy (MER) formula.
  • Sugar Content in Soft Drinks Calculator
    Estimate the grams of sugar in a soft drink from its nutrition-label carbohydrate value and see it as an equivalent number of 3 g sugar sticks.
  • Zero-Calorie / Low-Calorie Drink Actual Calorie Calculator (Japan)
    Japan labeling rules: a "zero calorie" drink can still have under 5 kcal/100 mL. Enter your beverage size to see the max hidden calories per serving.
  • Salad Calories Calculator
    Estimate the calories in your salad by entering the grams of greens, veggies, protein, cheese, dressing and extras. See total kcal and density.
  • Ideal Egg Boiling Calculator
    Find the perfect egg boiling time for soft, medium, or hard eggs. Adjusts for egg size and altitude so your boiled eggs come out just right.
  • Bacon Curing Calculator
    Calculate the salt, Prague Powder #1 (cure #1) and sugar needed to dry-cure bacon for any pork belly weight, based on safe industry percentages.
  • Beer Pong Calculator
    Estimate how much beer you need for beer pong. Enter cups per table, beer per cup, number of tables and games to get total ounces, cans and gallons.
  • Sourdough Hydration Calculator
    Calculate water, starter and salt for sourdough bread using baker's percentages. Accounts for water already in your starter for accurate hydration.

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