This standing desk will need an area of 570 x 600mm (this is to accommodate the lean back of the upright) the actual desk footprint is 370 x 500mm. The upper shelf (for monitors or laptops) is 570 x 270mm, the lower shelf for the keyboard and mouse is 620 x 320mm. The different slots of the body structure allow you to adjust the height of each shelf for improving your posture.
The wider shelves come in 84cm or 94cm widths