Home › Room Sizes › 20x20 Room

How Many Square Feet Is a 20x20 Room?

A 20x20 room is 400 square feet. Multiply the width by the length (20 ft x 20 ft = 400 sq ft), which is about 37.2 square meters. That makes it a very large room, usually used as a two-car garage, a great room, or a studio apartment.

What is 20x20 in square meters?

400 square feet is about 37.2 square meters. In metric, a 20x20 room measures about 6.10 by 6.10 meters. For the metric view, see how big 35 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 44.4 of them.

What fits in a 20x20 room?

• Parked side by side with room to open doors, 2 midsize cars fit in a 20x20 space.
• 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 8% of the floor in a 20x20 room. Doors, closet openings, and windows decide the real layout, so check where they fall before you buy furniture.

Is a 20x20 room big?

At 400 square feet, a 20x20 room is a very 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.

Square rooms are easy to furnish because every wall is the same length, so the bed or sofa can go on whichever wall has no door or window.

For context, compare it with the average bedroom size, or look at rooms close to it: an 18x18 room is 324 square feet and an 18x24 room is 432.

How much flooring do I need for a 20x20 room?

The floor is 400 square feet, but you need extra for cuts. For a straight layout add 8% and buy about 432 square feet. A diagonal layout wastes more, so plan on about 449 square feet. You also need 80 feet of baseboard, less the width of each doorway.

In luxury vinyl plank at 23.6 square feet per box, a straight layout takes 19 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 20x20 room?

With an 8-foot ceiling, the four walls of a 20x20 room add up to 640 square feet before you subtract doors and windows. Two coats at about 350 square feet per gallon take 4 gallons. The ceiling is another 400 square feet.

How 400 square feet compares

400 square feet has its own guide: how big 400 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 20x20 room

Listed sizes like 20x20 describe the main rectangle. Closets, bay windows, and bump-outs add or remove area, so a room sold as 20x20 is rarely exactly 400 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.