A little math will ensure that you have the right size rug for every single space in your house.

The rug is supposed to define the conversation space."

How to Choose Your Dining Room Rug Size

The big issue for sizing your dining room rug?

Modern apartment open plan living room interior. Large leather sofa, velvet armchair, coffee table, pillows, lamp, carpet, concrete pillars, window and dining room in the background.

Photo:Experience Interiors/Getty Images

Ensure that the rug is two feet larger than your table, both width and lengthwise.

For very narrow entryways, a runner rug may work best to cover the space.

Small entryways can make do with a 3-by-5-foot rug, while a larger entryway calls for a larger rug.

Fortunately, there are some strategies you could use to get the right-sized rug for that space.

But you might also use this to help ensure that an awkwardly shaped space is fully covered.