30' x 12' is 360 square feet or about 33.445 square meters.
Each foot has 0.3048 meters, so each square foot has 0.30482 square meters. Use this for your conversions.
1 foot = 0.3048 meterArea in square meters = (16 x 0.3048) x (12 x 0.3048) = 17.8374 square meters
4.46 square metres.
6.7m2
11 x 12 = 132 square feet = about 12.3 m2
23.41 square meters.
11 meters × 12 meters = 132 meter square
Each foot has 0.3048 meters, so each square foot has 0.30482 square meters. Use this for your conversions.
About 13.38 square meters.
1 foot = 0.3048 meterArea in square meters = (16 x 0.3048) x (12 x 0.3048) = 17.8374 square meters
13.39 square meters.
4.46 square metres.
6.7m2
15.61 square meters.
18ft x 12ft is an area of 20 (20.0671) square meters.
11 x 12 = 132 square feet = about 12.3 m2
I'm not sure exactly what you mean. But if you're asking to convert square feet into square meters, the formula is one square foot equals 0.093 square meters (0.09290304 if you want to be super-accurate). So 12 square feet equals approximately 1.115 square meters.