None. Gas is not measured in square metres.
39 square meters.
BTU should be a measure of heating content, so it will vary with composition. However, in the US, 1 cubic ft of natural gas = 1,028 BTU. 1 therm = 100,000 BTU 100 cf = 0.1 Mcf approximately 1 therm (th). or more exactly 0.0972 Mcf = 1 th. See natural gas under wikipedia.
3.34 square meters.
110,000,000,000 square meters.
8,171.47 square meters.
100 cubic feet equals 1 therm
144 square meters
11 meters square are 121 square meters.
Approximately 19.51 square meters.
About 32.5 square meters. (32.516064 square meters)
there are 100.000 btu's in a therm.
885 square feet is 82.2191904 square meters.
2,459 square feet = about 228.45 square meters.(228.448575 square meters).
565 square feet = about 52.5 square meters. (52.4902176 square meters).
0.01105 square meters.
2,100 square meters.
12,960,000 square meters.