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How Many Square Feet Is a 20x30 Room?

A 20x30 room is 600 square feet. Multiply the width by the length (20 ft x 30 ft = 600 sq ft), which is about 55.7 square meters. That makes it a space bigger than most single rooms, usually used as a three-car garage, a workshop, or a one-bedroom apartment.

How Many Square Feet Is a 20x30 Room?: a 20 by 30 foot room drawn to scale on a one-foot grid with 3 midsize carscarcarcar20 ft30 ft
20 x 30 ft room on a one-foot grid, 3 midsize cars drawn to scale.

What is 20x30 in square meters?

600 square feet is about 55.7 square meters. In metric, a 20x30 room measures about 6.10 by 9.14 meters. For the metric view, see how big 60 square meters is.

Measurement20x30 room
Width x length20 ft x 30 ft
Floor area600 sq ft
Floor area (metric)55.7 m²
Floor area (yards)66.7 sq yd
Perimeter100 ft
Corner to corner36' 1"

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 66.7 of them.

What fits in a 20x30 room?

A queen bed covers about 6% of the floor in a 20x30 room. Doors, closet openings, and windows decide the real layout, so check where they fall before you buy furniture.

Is a 20x30 room big?

At 600 square feet, a 20x30 room is a space bigger than most single rooms. 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 24x24 room is 576 square feet and a 25x25 room is 625.

Is 30x20 the same as 20x30?

Yes. A 30x20 room and a 20x30 room are the same size, 600 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 20x30 room?

The floor is 600 square feet, but you need extra for cuts. For a straight layout add 8% and buy about 648 square feet. A diagonal layout wastes more, so plan on about 673 square feet. You also need 100 feet of baseboard, less the width of each doorway.

In luxury vinyl plank at 23.6 square feet per box, a straight layout takes 28 boxes. Box sizes vary by brand, so the calculator below lets you change the coverage and material.

How many boxes of flooring for a 20x30 room?

Pick a material and layout to see how many boxes to buy, waste included. Box coverage varies by brand, so adjust the sq ft per box to match the label on yours.

28 boxes covers 600 sq ft plus 8% waste (648 sq ft of material at 23.6 sq ft per box).

Need a cost estimate too? Use the full flooring calculator.

How much paint do I need for a 20x30 room?

With an 8-foot ceiling, the four walls of a 20x30 room add up to 800 square feet before you subtract doors and windows. Two coats at about 350 square feet per gallon take 5 gallons. The ceiling is another 600 square feet.

How 600 square feet compares

600 square feet has its own guide: how big 600 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 20x30 room

Listed sizes like 20x30 describe the main rectangle. Closets, bay windows, and bump-outs add or remove area, so a room sold as 20x30 is rarely exactly 600 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.

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