Well, each cm is about 0.032808399 feet, so 0.032808399*690= 22.63779531 feet.
690 square feet equates to 64.1031 square meters(m2).
Just divide by 100. 690 cm / 100 = 6.9 meters
600 square feet.
156 cm = 5.118110236215601 feet
304.8 cm = 10 feet
1300 cm = 42.7 feet.
88 cm = 2.89 feet.
119 cm = 3.9 feet.
77 cm is 2.53 feet.
11 feet is 335.28 cm
194 cm = 6.365 feet
2400 cm = 78.74 feet.