Free Lunchbox Nutrition Analyzer
Explore What’s in Your Lunchbox
Build a lunchbox from your own ingredients and see estimated protein, carbohydrates, fat, fiber, and the food groups represented — all in one place.
Choose from the starter food list, or enter your own food using its nutrition label.
✨ Your estimated lunchbox nutrition
For all foods enteredNot a recommended calorie target or a measure of how “healthy” a lunch is.
🌈 Food groups in this lunchbox
Based on the foods you addedEvery lunchbox is different. These labels describe ingredients, not a score or a pass/fail checklist.
Estimates only. Ingredient nutrition varies by brand and preparation. For packaged foods, check the label; for food composition data, see USDA FoodData Central. This tool does not assess allergy safety or children’s individual dietary needs.
How to Use the Lunchbox Nutrition Analyzer
I know how easy it is to pack a little of this, a spoonful of that, and then wonder what’s actually in the lunchbox. This free lunchbox nutrition analyzer helps you explore the food groups and approximate nutrients in what you’re already making — without turning school lunch into a math test.
- Choose foods. Search for the ingredients in your lunchbox. Add more foods or use Custom food for a product not on the list.
- Enter amounts. Weigh foods in grams if possible. Cups, tablespoons, ounces, and piece conversions are approximate and depend on the food.
- Explore the numbers. The tool estimates protein, carbohydrates, fat, fiber, and energy for the combined lunchbox.
- Check the food-group overview. See which types of foods you’ve selected. You don’t need every food group in every individual lunchbox.
What Do the Food Groups Mean?
Grains and starchy foods include items such as pasta, rice, and bread. Protein foods include chicken, tuna, eggs, beans, and tofu. Vegetables and fruits bring a range of flavors, textures, and nutrients. Dairy or fortified alternatives can include yogurt, milk, and appropriate fortified substitutes. Foods like olive oil or jam may also be part of a lunch, even though they are not one of the five groups shown.
Are the Nutrition Results Exact?
No. The calculator uses rounded starter estimates per 100 grams, not a live nutrition database. Actual values vary with the brand, recipe, cooking method, and amount packed. Choose the correct raw or cooked food entry: dry pasta and cooked pasta, for example, have different values per 100 grams because of water content.
Food groups describe the selected foods, but they do not determine whether a lunch is adequate for an individual child. Age, needs, preferences, food access, allergies, and what a child eats throughout the day all matter.
Frequently Asked Questions
Is this lunchbox nutrition analyzer free?
Yes. It works directly in your browser with no login and no subscription.
Can I check protein and fiber in my child’s lunchbox?
Yes. Add the foods and approximate quantities to see estimated protein, carbohydrates, fat, fiber, and energy. This is nutritional information, not a personalized target for a child.
Does every lunchbox need all five food groups?
No. Meals vary, and foods eaten over the day and week matter too. The food-group display is a descriptive overview, not a grading system.
Can I add a packaged snack or brand-name product?
Yes. Choose Custom food and enter nutrition per 100 grams from the product label. If the package shows nutrition only per serving, convert it to a per-100-gram basis before entering the values.
Does it check food allergies?
No. Do not use this tool to confirm that a meal is allergy-safe. Read ingredient labels and follow your child’s allergy plan and school rules.
Need Lunchbox Inspiration?
Explore School Lunchbox Idea #8 and School Lunchbox Idea #5, then come back to the analyzer with the ingredients you actually used.