A meter is 3.280 839 895 feet. Multiply the number of meters by the number of feet in a meter. You can do this math.
1.70 cm is 0.05577427 feet or .6692913 inches
182.9 cm tall.
28 feet = 853.44 cm
6.6 feet is 201.168 cm
510 cm is 16.732 feet.
174 cm = 5.709 feet
1.85 cm = 0.7" or about 0.49 feet.
154.9 cm
195.07 cm
167.6 cm
Very short: 2.067 feet tall.