游泳热量消耗计算器 — 公式

## Swimming Calorie Burn (MET Method)

**Calories = MET x 3.5 x Weight(kg) / 200 x Duration(min)**

### Swimming MET Values

| Stroke | MET |
|---|---|
| Freestyle (moderate) | 5.8 |
| Freestyle (vigorous) | 9.8 |
| Backstroke | 4.8 |
| Butterfly | 10.3 |
| Breaststroke | 5.3 |