Calories & Calculators

Learn to count calories and calculate your daily target: BMR, TDEE, macros, and how to use a calculator without getting the math wrong. Turn numbers into real results.

How to Calculate Macros: Protein, Carbs and Fat
calculadora de calorias
9 min

How to Calculate Macros: Protein, Carbs and Fat

How to calculate macros from your calorie target: protein, carbs and fat on the plate, with the math step by step.

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Lucas

Nutricionista e criador de conteúdo sobre saúde.

11 Sep
Tablespoon to Grams: The Conversion Chart Your Diet Needs
calculadora de calorias
9 min

Tablespoon to Grams: The Conversion Chart Your Diet Needs

A tablespoon to grams chart for common foods, why the same spoon weighs differently, and how to measure portions without a scale.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

20 Jul
Does Counting Calories Work? What Science Actually Says
calculadora de calorias
7 min

Does Counting Calories Work? What Science Actually Says

Does counting calories actually work? Science says yes, as long as the count is honest. See why counting fails for so many people and how to count in a way that finally moves the scale.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

7 Jul
Food Calorie Chart: 50+ Common Foods and How to Use It
calculadora de calorias
12 min

Food Calorie Chart: 50+ Common Foods and How to Use It

A food calorie chart with more than 50 everyday foods, in calories per 100 g and per serving, and the simple way to use it without misreading your plate.

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Lucas

Nutricionista e criador de conteúdo sobre saúde.

1 Jul
How to Count Calories: A Practical Step-by-Step Guide
calculadora de calorias
11 min

How to Count Calories: A Practical Step-by-Step Guide

Learn how to count calories step by step: the 4-4-9 rule, manual and digital methods, real food values, and the 5 mistakes that quietly stall your progress.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

3 Jun
How Many Calories Should I Eat a Day? (2026 Guide)
calculadora de calorias
9 min

How Many Calories Should I Eat a Day? (2026 Guide)

How many calories should I eat a day depends on weight, age, activity, and goal. See the ranges to maintain, lose weight, or build muscle.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

2 Jun
How to Choose a Food Logging App: What to Evaluate
calculadora de calorias
9 min

How to Choose a Food Logging App: What to Evaluate

A checklist for choosing a food logging app: logging methods, how AI photo estimation works, and the pros and cons of each approach.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

2 Jun
How to Calculate Calories in Food in 5 Steps
calculadora de calorias
8 min

How to Calculate Calories in Food in 5 Steps

How to calculate calories in food step by step: find it in the USDA FoodData Central database, weigh the portion, apply the Atwater formula (4-4-9), adjust for cooking, and close the daily total. Includes a full meal-prep lunch example.

L

Lucas

Nutricionista e criador de conteúdo sobre saúde.

2 Jun

ContaCal

Count calories and macros with just 1 photo

Snap your meal and the AI instantly calculates calories, protein, carbs and fat.

Want the details first? See how the AI calorie counter works.