There aren't any because square (2-D) measure is different from linear (1-D) measure.
260,000 sq ft converts to 24,154.8 sq meters.
266 sq ft converts to 24.7122 sq meters (@0.092903 sq meters per sq foot).
5220.5 sq ft
19681.81 sq ft
1076.391042 sq. ft.
557.41824 sq meters
4.65 sq meters.
464.52 sq meters.
14.58 sq meters.
44.59 sq meters.
1,950 sq ft converts to 181.1609 sq meters.
10,373.8263 sq ft