Nutrition Toolkit
Food lookup, macro calculators, barcode scanning, and nutrition education.
All food tools
Nutrition Lookup
Search USDA food database for nutrient data.
Open toolBMI Calculator
Calculate body mass index from height and weight.
Open toolMacro Calculator
Calculate daily protein, carbs, and fat targets.
Open toolBarcode Scanner
Look up packaged foods by barcode.
Open toolWater Intake
Estimate daily water intake needs.
Open toolProtein Calculator
Calculate optimal daily protein intake.
Open toolBMR Calculator
Estimate basal metabolic rate and calorie needs at rest.
Open toolTDEE Calculator
Calculate maintenance calories and daily energy expenditure with activity.
Open toolFiber Calculator
Daily fiber target by age and sex.
Open toolSodium Calculator
Recommended daily sodium limits.
Open toolSugar Calculator
Added sugar limits and guidance.
Open toolCompare Foods
Compare nutrition facts for two foods side-by-side.
Open toolMeal & Recipe Nutrition
Add ingredients with amounts to calculate total meal or recipe nutrition.
Open toolRecipe Scaler
Scale ingredient amounts when changing recipe serving sizes.
Open toolWeight Tracker
Log weight over time, track BMI trends, set goals, and export your history locally.
Open toolNutrition Guide
Free articles on calories, macros, vitamins, and labels.
Open toolUnderstanding Calories
Learn what calories are and how they affect your body.
Open toolMacronutrients Guide
Protein, carbohydrates, and fats explained.
Open toolVitamins Explained
Water- and fat-soluble vitamins and food sources.
Open toolMinerals & Your Body
Essential minerals and where to find them.
Open toolFiber & Digestive Health
Daily fiber targets and whole-food sources.
Open toolHealthy Fats Guide
Unsaturated vs saturated fats and heart health.
Open toolSugar & Sweeteners
Added sugars and label-reading tips.
Open toolReading Nutrition Labels
Serving sizes, % Daily Value, and ingredients.
Open toolRelated categories
Frequently asked questions
- Are these food tools free?
- Yes. Every tool in Nutrition Toolkit on Online Tool Hub is free to use with no account required.
- Is my data uploaded to a server?
- Most tools process files and data locally in your browser. Server-side features are only used when necessary, such as API lookups. See our Privacy Policy for details.