How the conversion works
To convert 178 cm to inches, divide by 2.54: 178 ÷ 2.54 = 70.1 in, to one decimal. Twelve inches make a foot, so that is 5 ft 10.1 in, or 5 ft 10 in to the nearest inch.
The nearest whole inch, asked the other way round: What is 5'10" in cm and inches?