The number of calories burned walking for 30 minutes depends on factors like your weight, walking speed, terrain, and fitness level.

• At a moderate pace of about 3 mph, you can burn roughly 170 calories in 30 minutes.
• At a brisk pace of 4 mph, the burn is around 175 calories.
• At a vigorous pace of 4.5 mph, calories burned range from 150 to 220 in 30 minutes

Calorie burn also varies by weight. For example, a person weighing around 155 pounds burns about 149 calories walking 30 minutes at a moderate pace

, while someone weighing 120-140 pounds might burn about 100-185 calories depending on speed

. In general, brisk walking for 30 minutes typically burns between 100 and 200 calories, with heavier individuals and faster speeds resulting in higher calorie expenditure

. To maximize calorie burn, you can increase your walking speed, add inclines, carry light weights, or extend the duration beyond 30 minutes

. In summary, expect to burn approximately 150-175 calories walking 30 minutes at a moderate to brisk pace, with variations based on your weight and walking conditions.