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How Many Calories?

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Calorie Counting: Common Questions

1

How many calories should I eat per day?

Most adults need between 1,600–2,400 calories per day. Women typically need 1,600–2,400 kcal and men 2,000–3,000 kcal, depending on age, height, weight, and activity level. Use these as general benchmarks, not strict rules.

2

Which food has the most protein per 100g?

Among common whole foods, cooked chicken breast (31g/100g), tuna (26g/100g), shrimp (24g/100g), and turkey breast (30g/100g) top the list. Powders aside, chicken breast and tuna are the most practical high-protein options.

3

What is a macro breakdown?

Macros (macronutrients) are the three main nutrients your body uses for energy: protein (4 kcal/g), carbohydrates (4 kcal/g), and fat (9 kcal/g). A macro breakdown shows the percentage of your calories coming from each source.

4

What does 'per 100g' mean on nutrition labels?

Nutritional values 'per 100g' are standardized so you can compare any two foods equally. To calculate for your actual portion, multiply by your grams and divide by 100. Our tool does this automatically.

5

Are calories in cooked food different from raw?

Yes — cooking changes food weight (usually reducing it via water loss), so 100g of cooked chicken has more calories than 100g of raw chicken. Our data notes whether values are for raw or cooked where it matters most.

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Calorie Counter: How Many Calories in Any Food? [Instant Lookup]