Centimeter is used in the international metric system for the measurement of length. This system is being used in many countries of the world. One centimeter is equal to 0.0328084 foot, so, 170 centimeters will be equal to 5.5774278 feet. Feet are used in British system of measurement of length.
I'm that height. 170 cm is equal to 5ft. 7in., which is short for a guy age 16 and over in North America. Many people just like flattering adult male 5 foot 7ers by saying they're very tall. I'm one of them.