A length of 171 centimeters is equivalent to 67.32 inches, or 5.61 feet. If measuring a person's height, this would be read as approximately 5 feet 7 inches.
In order to derive inches and feet from centimeters, different conversion factors are applied. The conversion factor for changing centimeters into inches is 2.54 centimeters per inch. To convert this answer into feet, a second conversion factor is used on the calculated inches. There are 12 inches in a foot, so the total number of inches is divided by 12 to get the correct number of feet. To convert centimeters directly to feet, the number of centimeters is divided by 30.84 centimeters per inch.