None. Gas is not measured in square metres.
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.
39 square meters.
There are 8150.35 square meters in 9773 square yards. You can convert square yards to square meters by multiplying by 0.836127.
3.34 square meters.
110,000,000,000 square meters.
100 cubic feet equals 1 therm
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.
144 square meters
Approximately 19.51 square meters.
11 meters square are 121 square meters.
About 32.5 square meters. (32.516064 square meters)
885 square feet is 82.2191904 square meters.
0.01105 square meters.
4,046.86 square meters.
2.76 square meters.
12,960,000 square meters.
19.51 square meters.