The average walking speed of a human can vary depending on several factors such as age, fitness level, terrain, and purpose of walking. Generally, a comfortable walking speed for an adult is considered to be around 3 to 4 miles per hour or approximately 4.8 to 6.4 kilometers per hour. This pace is often used as a reference for estimating walking times and distances.
It's important to note that individual walking speeds can vary significantly. Some individuals may walk slower or faster than the average due to personal factors, physical condition, or the context in which they are walking. Additionally, factors like age and health conditions can influence a person's walking speed. For instance, elderly individuals or those with mobility issues may have a slower walking speed compared to younger, healthy individuals.
Keep in mind that the figures provided are general averages, and actual walking speeds can vary from person to person and in different situations.