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How many sqft is a 14x20 room?

280 square feet. The calculation is 14 feet x 20 feet = 280 sq ft. That's a large room, common as a family room, great room, or garage bay-and-a-half. It comfortably holds a full sectional, media wall, and secondary seating area, or a combined living-dining arrangement in an open plan. Flooring for this space runs about 295-310 sq ft with waste allowance.

At this size, small dimensional errors compound: being off by six inches on each wall changes the area by roughly 17 sq ft, which is a full box or two of flooring, so verify before ordering.

If your source is a floor plan rather than a tape measure, check whether the 14x20 label matches the drawn geometry, since marketing plans frequently round or approximate. Uploading the plan to MeasureFloorPlan and tracing the room after setting the scale gives you the true area, including any bump-outs or angled walls the label ignores.