Whereas, a lower height sofa, will require a coffee table that is lower. The length of your coffee table is also very important as you will want the dimensions to be proportional to your couch. A coffee table that is one half or less than the size of the sofa in length will not only look like it is out of proportion.
As with shape, you will need to determine the size you need. The height of a coffee table is important. It should be no lower than 1-2 inches from the seat of your couch. The standard height for a table is 16-18 inches and pairs well with a typical sized couch. A higher sofa requires a taller table, one that is 20-21 inches in height.
Coffee Table Positioning. In terms of the distance between sofa and coffee table, 16-18 inches usually works perfectly. This distance gives enough leg room whilst still allowing the easy set down and pick up of drinks and the like from the table top. Aim to leave at least 16-18 inches all around the coffee table for ease of manoeuvring around it.
The height of the coffee table compared to the sofa should be same. There is a little leeway, as the table can be 1 to 2 inches shorter, although it should never be higher than the sofa. The average height of a coffee table is anywhere from 16 to 20 inches, and usually somewhere in between since the height of most seat cushions on sofas and loveseats is about 18 inches.
In general, the proper height of a coffee table is one that matches the height of the sofa cushions. If the cushions are extra think, the table can be 1 or 2 inches lower than that. This usually means that the coffee table is somewhere around 40 to 45 cm tall. When determining the height you should take into consideration not only the proportions of the sofa (or armchairs) but also the design of the table.
Measure the height Measure the height of your sofa's seat - a good coffee table should be at most the same height or even lower. If the table is too high, it may look clumsy. Menu's elegant NoNo table is defined by a slender steel frame and an oblong glass top in earthy tones.