30in x 30in = 900 in² which equals 6.25 ft². Algebraic steps below:
900 in²*1 ft²
144 in²=6.25 ft²
30 * 36 = 1080 square inches = 1080/144 = 7.5 sq. feet.
Approximately 23.3 square feet.
30 feet by 28 feet equals 840 square feet. 30 inches by 28 inches equals 840 square inches, or 5.833 square feet.
Area calculation: 30 inches by 30 inches = (30 x 30) square inches =900 square inches or, if you want square feet instead: 12 inches x 12 inches (1 square foot) = 144 square inches Take your 900 square inches and divide by 144 to get square feet. 900 / 144 = 6.25 square feet
2.5 Square feet is 30" x 30" or 360 Square Inches
30 inches by 5 feet = 12.5 square feet.
30 inches by 10 feet = 25 square feet.
5 square feet
15 square feet.
3 x 30 = 90 square feet. 1 square foot = 144 square inches (12 x 12) So 90 square feet = 12,960 square inches
30 * 36 = 1080 square inches = 1080/144 = 7.5 sq. feet.
51 inches wide x 30 inches long = 10.625 square feet.
7.5 square feet.
8.33 square feet.
Approximately 23.3 square feet.
30 feet by 28 feet equals 840 square feet. 30 inches by 28 inches equals 840 square inches, or 5.833 square feet.
Area calculation: 30 inches by 30 inches = (30 x 30) square inches =900 square inches or, if you want square feet instead: 12 inches x 12 inches (1 square foot) = 144 square inches Take your 900 square inches and divide by 144 to get square feet. 900 / 144 = 6.25 square feet