Calculadora de Ingestão de Açúcar
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
g = kcal × % / 4
About this calculator
This calculator estimates the maximum recommended amount of free sugar you can consume per day, based on World Health Organization (WHO) guidelines. WHO recommends that free sugar intake (added to foods and drinks, plus naturally present in honey, syrups, and fruit juices) be less than 10% of total caloric intake, with an ideal of less than 5%. To use the tool, enter your daily total calories and the desired percentage (10% or 5%). The calculation is simple: divide the percentage of calories from sugar by 4 (each gram of sugar provides 4 calories).
The operation is based on the formula: grams of sugar = (total calories × desired percentage) / 4. For example, for a 2000 kcal diet with a 10% limit, the calculation is (2000 × 0.10) / 4 = 50 grams of sugar per day. That equals about 12 teaspoons of sugar. The calculator helps you quickly see how much sugar you can consume without exceeding recommendations, making meal planning easier.
Use this calculator when planning meals, reading food labels, or monitoring your sugar intake. It is useful for people looking to reduce sugar consumption, control weight, prevent diabetes, or improve oral health. Remember that the limit refers to free sugar, not the sugar naturally present in fruits, vegetables, and dairy. The tool is educational and does not replace professional nutritional advice.
Cautions: the calculator provides an estimate based on total calories, but individual needs vary by age, sex, physical activity level, and health conditions. Hidden sugar in processed foods (sauces, breads, sodas) can go unnoticed. Always check labels and consider that the ideal (5%) is more restrictive. Consult a nutritionist for personalized guidance.
Frequently asked questions
What is considered free sugar?
Free sugar includes added sugar in foods and drinks, plus sugar naturally present in honey, syrups, molasses, and fruit juices. It does not include natural sugar in whole fruits, vegetables, and dairy.
How do I know how many calories I consume per day?
You can estimate your total calories based on age, sex, weight, height, and physical activity level. Use an online BMR calculator or consult a nutritionist.
Can I use the calculator for children?
Yes, but WHO recommendations for children are similar. Adjust total calories according to the child's age and needs. Consult a pediatrician or nutritionist.
What happens if I exceed the sugar limit?
Excessive sugar intake is linked to weight gain, dental cavities, increased risk of type 2 diabetes, and cardiovascular diseases. Try to stay within the recommended limits.
Does the calculator consider sugar from fruit?
No. The limit applies only to free sugar. Natural sugar from whole fruits does not need to be counted, but fruit juices should be included as free sugar.