To find the surface area of a cube, you can use the formula:
\[ \text{Surface Area} = 6s^2 \]
where \( s \) is the length of a side of the cube.
Given that the side length of the cube is 1.5 meters, we can substitute this value into the formula:
\[ \text{Surface Area} = 6(1.5)^2 \] \[ = 6(2.25) \] \[ = 13.5 \text{ square meters} \]
Therefore, the surface area of the cube is 13.5 square meters.