As a fitness and nutrition expert, I can tell you that the time it takes to burn off 600 calories depends on several factors, including the individual's weight, metabolism, the type of activity, and their fitness level. Here's a breakdown of how different activities might compare:


1. Walking: For a person weighing around 150 pounds (68 kg), walking at a moderate pace of 3 miles per hour (4.8 km/h) can burn approximately 300 calories in an hour. So, it would take about 2 hours to burn off 600 calories.


2. Running: Running at a pace of 5 miles per hour (8 km/h) can burn around 600 calories in an hour for the same person, meaning it would take 1 hour to burn off 600 calories.


3. Cycling: Moderate cycling at a speed of about 10-12 miles per hour (16-19 km/h) can burn around 600 calories in an hour, so it would also take 1 hour.


4. Swimming: Swimming laps at a moderate pace can burn around 400 calories in an hour, so it would take about 1.5 hours to burn off 600 calories.


5. High-Intensity Interval Training (HIIT): This type of workout can burn more calories in less time due to its high intensity. It might take as little as 30-45 minutes to burn 600 calories, depending on the intensity and the exercises performed.

Remember, these are approximate values and the actual time can vary based on the individual's specific circumstances. It's also important to note that burning calories is just one part of a balanced approach to weight management, which should include a healthy diet and regular physical activity.

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Such activities burn approximately 4.6 to 5.5 calories per minute, based on a body weight of 160 lbs. The per-minute expenditure increases to 5.7 to 8.2 when based on a body weight of 240 lbs. At these rates, it would take an hour and 15 minutes to 2 hours to burn 600 calories.read more >>