Home › Room Sizes › 15x20 Room

How Many Square Feet Is a 15x20 Room?

A 15x20 room is 300 square feet. Multiply the width by the length (15 ft x 20 ft = 300 sq ft), which is about 27.9 square meters. That makes it a large room, usually used as a living room, a primary suite, a family room, or a one-car garage.

What is 15x20 in square meters?

300 square feet is about 27.9 square meters. In metric, a 15x20 room measures about 4.57 by 6.10 meters. For the metric view, see how big 30 square meters is.

One square foot is about 0.0929 square meters, so multiply square feet by 0.0929 to convert. Carpet is still often sold by the square yard, and this room is 33.3 of them.

What fits in a 15x20 room?

• A king bed (76 by 80 inches) fits with a two-foot walkway on both sides and at the foot.
• For a living area, a 7-foot sofa, a coffee table, and two armchairs fit with a 3-foot path in front of the sofa.

A queen bed covers about 11% of the floor in a 15x20 room. Doors, closet openings, and windows decide the real layout, so check where they fall before you buy furniture.

Is a 15x20 room big?

At 300 square feet, a 15x20 room is a large room. It clears the 70 square foot minimum the International Residential Code sets for a habitable room, so size alone won't stop it from counting as a bedroom. The minimum bedroom size rules also require a 7-foot minimum width and an escape window.

For context, compare it with the average bedroom size, or look at rooms close to it: a 12x24 room is 288 square feet and a 17x17 room is 289.

Is 20x15 the same as 15x20?

Yes. A 20x15 room and a 15x20 room are the same size, 300 square feet. The order only tells you which wall was named first, and listings don't follow one rule. When the direction matters, such as for a rug or the wall a bed goes on, check the drawing rather than the label.

How much flooring do I need for a 15x20 room?

The floor is 300 square feet, but you need extra for cuts. For a straight layout add 8% and buy about 324 square feet. A diagonal layout wastes more, so plan on about 337 square feet. You also need 70 feet of baseboard, less the width of each doorway.

In luxury vinyl plank at 23.6 square feet per box, a straight layout takes 14 boxes. Box sizes vary by brand, so the calculator below lets you change the coverage and material.

How much paint do I need for a 15x20 room?

With an 8-foot ceiling, the four walls of a 15x20 room add up to 560 square feet before you subtract doors and windows. Two coats at about 350 square feet per gallon take 4 gallons. The ceiling is another 300 square feet.

How 300 square feet compares

300 square feet has its own guide: how big 300 square feet is, with every room shape that adds up to it. All the sizes are listed in the room size chart.

Measuring a real 15x20 room

Listed sizes like 15x20 describe the main rectangle. Closets, bay windows, and bump-outs add or remove area, so a room sold as 15x20 is rarely exactly 300 square feet. If you have a floor plan, MeasureFloorPlan measures the real outline after you set the scale from one known wall, or you can check simple shapes with the floor plan square footage calculator.