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An easy swim burns around 500 calories an hour, while a vigorous effort can reach up to 700 calories an hour. Swimming exercise provided workout for lower body, upper body, core, and back will all be worked and strengthen during a good swimming workout, you can go for 4 to 6 days swimming workout.
In addition to its muscle-building properties, swimming is an aerobic exercise that can cause you to lose weight quickly. Harvard Health Publications notes few exercises create a faster calorie burn than swimming. The calories you'll burn, however, depend in part on the stroke you choose.