How the conversion works
To convert 172 cm to inches, divide by 2.54: 172 ÷ 2.54 = 67.7 in, to one decimal. Twelve inches make a foot, so that is 5 ft 7.7 in, or 5 ft 8 in to the nearest inch.
The nearest whole inch, asked the other way round: What is 5'8" in cm and inches?