Calculadora de Zona de Queima de Gordura

Calcula a zona de queima de gordura (60–70 % da FC máx) e as demais zonas de treino.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

FC máxima estimada
190 bpm
Zona de queima de gordura — mín (60%)
114 bpm
Zona de queima de gordura — máx (70%)
133 bpm
Zona cardiovascular — mín (70%)
133 bpm
Zona cardiovascular — máx (85%)
162 bpm

Formula

FC_max = 220 − idade  |  gordura = 60–70% FC_max

About this calculator

The Fat Burning Zone Calculator determines the ideal heart rate range for workouts aimed at fat loss. It uses the classic formula for maximum heart rate (220 minus age) to calculate the limits of 60% to 70% of MHR, known as the fat burning zone. Additionally, the tool presents other training zones, such as the moderate zone and the intense effort zone, allowing users to understand at which intensity they are exercising.

To use the calculator, simply enter your age. The system automatically calculates your maximum heart rate and training zones. The fat burning zone is especially useful for long-duration aerobic activities like brisk walking, light jogging, or cycling. In this range, the body primarily uses fat as an energy source, which can aid in weight loss and cardiovascular conditioning.

It is important to remember that the formula 220 minus age is a general estimate and may not be accurate for everyone, especially athletes or individuals with heart conditions. The calculator serves as an initial guide. For a more individualized plan, a stress test with a physical education professional or doctor is recommended. Also, fat burning occurs at all intensities, but the fat burning zone optimizes the percentage of fat used during exercise.

Common use cases include: beginners in physical activities aiming to lose weight, runners looking for recovery workouts, and people who want to monitor exercise intensity without expensive equipment. The calculator also helps avoid overly intense workouts that can lead to early fatigue or injuries. Remember that heart rate can vary with factors like stress, temperature, and hydration.

Frequently asked questions

What is the fat burning zone?

It is the heart rate range between 60% and 70% of your maximum heart rate, where the body uses more fat as an energy source during exercise.

Do I need to stay in the fat burning zone all the time to lose weight?

No. Weight loss depends on total calorie deficit. Exercising at other intensities also burns calories and fat, but the fat burning zone is efficient for long, moderate workouts.

Is the 220 minus age formula accurate?

It is a general estimate. People with different fitness levels may have different maximum heart rates. For more accuracy, take a stress test.

Can I use the calculator if I have heart problems?

Consult a doctor before starting any exercise program. The calculator is only a reference and does not replace professional guidance.

How do I know if I am in the fat burning zone during a workout?

Use a heart rate monitor or check your pulse manually. The calculator provides target values for your age.

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