Every year, half of all American adults try to shed weight. Exercise is one of the most popular ways to shed extra pounds. It burns calories, and this plays a significant role in weight loss. According to the study, a 155-pound (70-kg) person burns about 167 calories per 30 minutes of walking at a moderate pace of 6 mph (6. (5) Walking is a fast and convenient way for beginners to start exercising without feeling overwhelmed or needing to buy equipment. It’s a lower-impact workout, which means it doesn’t put your joints in strain.