How the conversion works
To convert 210 cm to inches, divide by 2.54: 210 ÷ 2.54 = 82.7 in, to one decimal. Twelve inches make a foot, so that is 6 ft 10.7 in, or 6 ft 11 in to the nearest inch.
The nearest whole inch, asked the other way round: What is 6'11" in cm and inches?