The standard bench depth is between 15" and 20". Benches can have a depth anywhere from 15-20 inches (38-51 cm), although the typical bench used for dining is considered to be around 17 ½ inches (44 cm). In this ideas we are going to show you many ideas of kitchen bench seat height and we will tell you how to choose the right ones for your house. Backless benches have a bit more leeway in the depth because people can adjust forward or backward easily. The standard bench width is between 42" and 60" and depends on the number of people you are looking to seat. A bench that is deeper than 20" might cause discomfort when sitting. What Is the Standard Bench Width? How to Choose the Right Kitchen Bench Seat Height : Bench Seat Depth. A dining room bench tends to fall around 17.5" deep. When it comes to the bench's width, there aren't many set guidelines except a starting point. And that is, when decorating the home’s environments, we must consider all the factors that also to make it aesthetic and harmonious, functional and practical. A bench between … For the seat depth, try to stay close to 16 inches from the front to the back of the seat. A depth (or width) past 20 inches (51 cm) will not be as comfortable for the average person to sit on. How deep are benches? For reference, a 42" – 52" bench can accommodate two adults comfortably. https://www.hunker.com/12425069/what-is-the-recommended-dining-bench-de… The bench should be at least 51 inches wide if you plan on having two people sit on the bench, but it can be 60 inches or …