Swim training system, swim data computation method using the same, and swim training method using the same

A swim training system, comprising:

• a training device, comprising:
• a wearing component configured to fix the training device to an user;
• a fastening component;
• a connecting component configured to connect the wearing component to the fastening component;
• and
• a sensor installed on the connecting component and located between the wearing component and the fastening component, and the sensor being configured to measure a tension of the connecting component;
• and
• a processing device, comprising:
• an input module configured to input an user information, the user information including a height, a weight, and a swimming stroke;
• a storage module configured to store a conversion parameter table;
• a processing module communicatively connected to the sensor, the storage module, and the input module, a conversion parameter being selectable from the conversion parameter table by the processing module according to the user information, the tension being obtainable from the sensor by the processing module, a tension information being acquirable by the processing module according to the tension, an exercise information being obtainable by the processing module according to the tension information and the conversion parameter;
• and
• an output module communicatively connected to the processing module, and the output module being configured to output the exercise information.