12cm*20cm = 240 cm2 = 37.2 sq inches = 0.258 sq ft
1 in = 2.54 cm (exactly) 1 sq in = 1 in x 1 in = 2.54 cm x 2.54 cm = 6.4516 sq cm ⇒ 4 sq in = 4 x 6.4516 sq cm = 25.8064 sq cm ≈ 25.81 sq cm
To convert from square inches to sq cms, multiply by 6.452.
45 sq metres / 50 sq cm = 450000 sq cm / 50 sq cm = 9000 tiles.
300 square meters is about 465,001 square inches.
39 square centimeters is 6.04 square inches.
2400 sq. in. = 15483.84 sq. cm.
1 square centimeter equates to 0.155 square inches.
6.4516 sq cm
1 inch = 2.54 cm, so 1 square inch = 6.45 square cm (ie 2.542). Therefore 10 sq cm = 1.55 sq in
12cm*20cm = 240 cm2 = 37.2 sq inches = 0.258 sq ft
1 in = 2.54 cm (exactly) 1 sq in = 1 in x 1 in = 2.54 cm x 2.54 cm = 6.4516 sq cm ⇒ 4 sq in = 4 x 6.4516 sq cm = 25.8064 sq cm ≈ 25.81 sq cm
8.90 inches squared = 8.90 inch * 8.90 inch = 79.21 sq inches = 511.03 sq cm (approx).
The area would have to be square inches, not inches. The units that can be converted are sq in (in2) and sq cm (cm2), where 1 inch = 2.54 cm and 1 in2 = 6.45 cm2. The answer is 38.71 square centimeters. 1 square inch is equal to 6.4516 square centimeters. So multiply the number of square inches by 6.4516 to convert.
There are approximately 0.1550 square inches in one square centimeter.
18000cm2 = 2,790 square inches.
It is approx 1032 sq cm.