Kcal Borboleta
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Kcal Borboleta Calculator estimates the number of calories burned during the practice of butterfly swimming. It uses a MET (Metabolic Equivalent of Task) of 13.8, which is a standard measure for physical activities. MET is a way to quantify the intensity of an activity and calculate the corresponding energy expenditure.
The formula behind the calculator is based on multiplying the MET by body weight and the duration of the activity. This allows users to obtain a personalized estimate of energy expenditure. It's essential to remember that the result is an approximation, as individual energy expenditure can vary depending on factors such as fitness level and swimming technique.
Butterfly swimming is a swimming modality that requires a high level of technical skill and physical conditioning. It's an intense aerobic activity that works multiple muscle groups simultaneously. The calculator is useful for swimmers who want to monitor their caloric expenditure during training.
When using the calculator, it's essential to keep in mind that the results should be considered an estimate. Factors such as swimming efficiency, water resistance, and individual physical condition can influence actual caloric expenditure. Therefore, it's recommended to combine the calculator results with other forms of performance monitoring and energy expenditure.
Frequently asked questions
What is MET 13.8?
MET 13.8 is a standard measure for butterfly swimming. It represents the metabolic equivalent of task for this activity, allowing for the calculation of energy expenditure.
How does the calculator work?
The calculator estimates caloric expenditure based on MET, body weight, and swimming time.
What factors can influence the result?
Factors such as physical conditioning, swimming technique, and water resistance can influence actual caloric expenditure.
Can I use the calculator for other activities?
No, the calculator is specific to butterfly swimming with MET 13.8.
Are the results accurate?
The results are an estimate. Individual caloric expenditure may vary.