As a fitness and health expert, I can tell you that the number of calories burned while walking can vary greatly depending on several factors, including your body weight, walking speed, and the type of surface you're walking on. On average, a person weighing about 150 pounds (68 kg) can burn approximately 100 calories by walking at a moderate pace of **3 miles per hour (4.8 kilometers per hour)** for about 20 minutes.

To put it in perspective, walking at a moderate pace for 30 minutes would burn around 200 calories, and walking for an hour would burn approximately 400 calories. It's important to note that these are rough estimates and individual results may vary.

Walking is a great way to increase your daily activity level and contribute to overall health and well-being. It's low impact, accessible, and can be easily incorporated into your daily routine.

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If you speed up to walking a mile in 13 minutes or less, you will be burning more calories per mile. But for most beginning walkers, it is best to increase the distance before working on speed. A simple rule of thumb is 100 calories per mile for a 180 pound person.read more >>