Nutrition 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.
  • Macro Percentage of Calories Calculator
    Convert grams of fat, protein and carbs into calories and find the percentage of total calories each macronutrient supplies. Free macro split calculator.
  • Daily Protein Intake by Body Weight Calculator
    Calculate your daily protein needs in grams based on body weight and goal (0.8–2.2 g/kg). Includes per-meal split and protein calories.
  • Dog Treat Calorie Limit Calculator
    Find how many treat calories your dog can have per day using the vet 10% rule. Enter weight and activity to get a safe daily treat calorie limit.
  • Bulking Calorie & Macro Calculator
    Calculate your daily bulking calories and macros (protein, carbs, fat) for muscle gain using your TDEE plus a 250–500 kcal surplus.
  • Cups to Grams Calculator
    Convert cups to grams for any ingredient using density. Pick flour, sugar, butter, water and more, or enter a custom g/mL value. Free and instant.
  • Calories from Carbs, Protein & Fat Calculator
    Calculate total calories from grams of carbohydrates, protein, fat and alcohol using the 4-4-9-7 kcal-per-gram Atwater factors, with a macro breakdown.
  • Macros to Calories Calculator
    Convert grams of protein, carbs, fat and alcohol into calories (kcal) instantly. Uses 4/4/9/7 kcal per gram with a full macro breakdown.
  • Pregnancy Calorie Needs Calculator
    Estimate daily calorie needs during pregnancy. Adds the recommended extra kcal per trimester (0/+340/+450) to your maintenance TDEE.
  • Running Calories by Distance Calculator
    Estimate the calories you burn running based on your body weight and the distance you cover. Quick, distance-based running energy expenditure calculator.
  • Alcohol By Volume (ABV) Calculator
    Calculate the alcohol by volume (ABV%) of beer, wine, or mead from original and final gravity readings using the standard ABV = (OG − FG) × 131.25 formula.
  • Calories Burned Running Calculator
    Estimate calories burned running by distance and body weight. Free running calorie calculator using kcal = 0.75 × kg × km (≈ 0.53 × lb × miles).
  • Calorie Surplus Calculator for Weight Gain
    Calculate the daily calorie surplus and target intake needed to gain weight by a target date. Free weight-gain calorie calculator with worked example.
  • Ounces to Grams Calculator
    Convert ounces (oz) to grams (g) instantly. Enter any weight in ounces and get the precise gram and kilogram equivalent using 1 oz = 28.3495 g.
  • Kilojoules to Calories Calculator
    Convert kilojoules (kJ) to calories (kcal) instantly. Enter an energy value and get food Calories using kcal = kJ ÷ 4.184.
  • mL to Grams Calculator
    Convert milliliters (mL) to grams (g) using density. Free volume-to-weight calculator with presets for water, milk, oil, honey, flour and more.
  • Baby Feeding Amount by Weight Calculator
    Estimate how much formula or milk to feed your baby per day and per feed based on weight, using the standard 150 mL/kg/day guideline.
  • Weekly Calorie Deficit Calculator
    Calculate your daily and weekly calorie deficit and see your estimated weekly weight loss in kg and pounds. Free, instant weight-loss pace tool.
  • Macro Calculator
    Free macro calculator: convert your daily calories and macro split (%) into grams of protein, carbs, and fat per day using 4/4/9 kcal-per-gram.
  • Macronutrient Split Calculator
    Convert your daily calories and macro percentages into grams of protein, carbs, and fat per day. Free macronutrient split calculator.
  • Running Calories Burned Calculator
    Estimate net calories burned running from your body weight and distance. Free running calorie calculator using the simple 1.036 × kg × km formula.
  • Daily Water Intake by Body Weight Calculator
    Calculate how much water you should drink daily based on your body weight in pounds or kilograms, plus your activity level. Get ounces, ml, liters and cups.
  • Pregnancy Caffeine Limit Calculator
    Add up coffee, tea, soda, energy drinks and chocolate to see how much caffeine you've had and how much is left under the 200 mg/day pregnancy limit.
  • Calories to Kilojoules Converter
    Convert calories (kcal) to kilojoules (kJ) and back instantly. Uses the exact factor 1 kcal = 4.184 kJ for accurate energy conversions.

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