You can't-lb per cubic foot is a measurement of pressure, tonnes is measure of weight. You could convert Ib per cubic foot to tonnes per cubic foot or more usually, gram per cubic centimetre but not lb per cubic foot to tonnes
2.66 tonnes per cubic meter = about 0.075 tonnes per cubic foot.
1.77 US tons per cubic meter.
Multiply tons by 1,529.11 to get pounds per cubic yard:* 3.3 x 1,529.11 = 5,046.063 pounds per cubic yard
It could be pounds per cubic inch, or pounds per cubic foot, or tons per cubic yard. The only substance I know in fps is water which is 62.4 pounds per cubic foot.
Trying to convert dollars per square foot into dollars per cubic yard is like trying to convert apples into oranges. A square foot is a measurement of area, whereas a cubic yard is a measurement of volume.
1ton=1000kg 1kg=1000gm 1ton=1000000gm
There are 1728 cubic inches in 1 cubic foot. To convert cu ft to cu in, multiply cu ft by 1728 (cu in per co ft).1,728 cubic inches per cubic foot.
Pounds per cubic foot x 16.0184634 = kg/m3
2.2 per cubic foot = 2.2 x 0.0283168466 per cubic meter
It could be pounds per cubic inch, or pounds per cubic foot, or tons per cubic yard. The only substance I know in fps is water which is 62.4 pounds per cubic foot.
1 kg/cubic metre = 77.853 pounds/ cubic foot.
You will need to know the weight of the plastering. If you identify a weight per cubic meter, multiply it by the number of cubic meters that you have.