How to count calories in homemade meals

How do you count calories in homemade food?

To count calories in homemade food, list every ingredient with its amount, look up or scan the calories for each, and add them together. Divide the total by the number of servings, or by the finished weight if portions vary. Save the result as a recipe so you only do the math once.

As a formula: calories per serving = total calories of all ingredients ÷ number of servings. For food you serve by weight: calories in your portion = total calories ÷ finished weight × the weight of your portion. The same two formulas work for protein, carbs and fat.

Searching a food database for beef stew gives you a stranger's recipe, not yours. Counting from ingredients reflects your pan, your oil and your portions, which is how home cooking can become the most accurate part of your log instead of the least.

Worked example: a pot of chili

Here is a simple beef and bean chili, with rough values of the kind you will find on package labels and in the USDA's FoodData Central. Your brands will differ a little; the method is the point.

• Split 4 ways, each bowl is about 465 calories and 36 g protein.
• Split into 6 containers, each is about 310 calories and 24 g protein.
• The tablespoon of oil is 120 calories on its own line. Poured freely, it could easily be 300, more than the tomatoes and onion together.

How to count calories in homemade food served by the ladle

A tray of lasagna cut into eight is easy to split. A pot of soup or chili is not, and eyeballing a bowl undoes the careful counting. Divide by the finished amount instead.

• Weigh the empty pot before you cook, or weigh it once and note the number.
• Weigh the pot again when the dish is done and subtract to get the weight of the finished food.
• Divide the recipe's total calories by that weight to get calories per gram.
• Weigh your bowl of food and multiply.

Finished-weight math, with and without a scale

Using the chili above: if the finished food weighs 2,000 grams, that is about 0.93 calories per gram. A 350-gram bowl is about 325 calories.

No kitchen scale? Measure the finished volume instead. If the pot holds about 8 cups, each cup is about 230 calories, and a ladle or bowl you have measured once with a measuring cup does the rest.

Should you log ingredients raw or cooked?

Enter ingredients at raw or dry weight, the way they are sold and labeled. Cooking changes weight far more than it changes calories: meat loses water and shrinks, while rice and pasta absorb water and get heavier. A cup of dry rice becomes roughly 3 cups cooked.

Mixing the two is the most common homemade-food error. If you measure 1 cup of dry rice but pick a cooked-rice entry, the recipe undercounts that rice by about two thirds. Whatever you measure, make the database entry match it.

Our guide to weighing food raw or cooked has a conversion table for meat, rice, pasta and lentils, and shows how to work backwards from a cooked portion.

Don't skip the oil, butter and toppings

Measure oil and butter with a spoon even if you estimate everything else. A tablespoon of oil is about 120 calories and a tablespoon of butter about 100, and a free pour into a hot pan is often two or three tablespoons. Our guide to hidden calories in oils, sauces and drinks shows where else these add up.

Log toppings added at the table as separate lines: cheese, sour cream, nuts, dressing. They vary from bowl to bowl, and keeping them out of the recipe keeps the base numbers true. If you drain fat from browned meat, you can leave the recipe as entered; the count will run a little high, which is the safer direction.

Marinades, frying oil and other things that do not all end up on the plate

Some ingredients only partly make it into the food. You cannot measure these exactly at home, so pick a consistent working rule and move on.

• Oil for sautéing or roasting: count all of it. Most of it clings to the food or ends up in the sauce.
• Shallow or deep frying: measure the oil before and after if you want a real number; the difference is what the food absorbed. Otherwise use a database entry for the fried version of the food.
• Marinades: count what stays on the food. If you pour most of it away, logging about a third is a reasonable working rule, and sugary or oily marinades matter more than vinegar or soy-based ones.
• Pasta water, boiling water and broth you drain off: ignore them.
• Bones, peels and trimmings: enter the edible amount, or pick a database entry that says bone-in or with skin so the entry does the adjusting.

Batch cooking, family dinners and recipe changes

Batch cooking makes counting even easier: one recipe, many identical portions. Set the servings to the number of containers you fill, portion with the same ladle, and write the calories and protein on the lid if you freeze them. A few batch-friendly dinners are the core of meal planning without cooking every night.

Cooking for others works the same way: count the whole dish, then log your share. If you served yourself a quarter of the pan, log a quarter. When someone else cooks and you cannot see the ingredients, estimate the plate with hand portions instead of a scale.

Small changes, like swapping one vegetable for another, barely move the total. If you double the oil, add a cup of cream or switch to a fattier cut of meat, edit the recipe or save a second version. For canned and packaged ingredients, reading the nutrition label correctly, including servings per container, keeps the totals honest.

Build a small library of saved recipes

Most households cook the same 10 to 15 meals. Once those are saved, home cooking becomes the easiest food to track. In BiteTracker, create a recipe from its ingredients, set the servings and save it; after that, a serving is one tap. You can drag it onto the meal-planning calendar and order the ingredients through Instacart when you plan the week.

For a head start, the BiteTracker recipe book lists calories and protein per serving for every dish, so you can cook from recipes that are already counted.