You can easily calculate the dimensions of different rooms in the house with the DeWalt DW03101-XJ laser distance meter. The meter has a relatively large measuring range of 100 meters. With the surface measurement you calculate the surface of a room and with the volume measurement you quickly know the volume of the room. The indirect measurement ensures that you not only calculate the length and width with the laser distance meter, but also immediately see the diagonal. The meter has a continuous measurement. This means that when you move the range finder, the calculations are adjusted automatically. You export the measurement data via Bluetooth to your smartphone, tablet or computer.