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How Big Is a 5×8 Meter Room?

A 5×8 meter room is 40 square meters (431 sq ft) — roughly 10.2 king-size beds of floor space — approaching the footprint of a two-car garage.

5×8 m at a Glance

Square Meters
40m²
Square Feet
431sq ft
In Feet
16.4×26.2ft
Wall Perimeter
26m
For trim/skirting
8 m5 m40 m²

A flat rectangle only tells you so much. Run the full calculator or draw this room in 3D below.

Is a 5×8 Meter Room Big?

It depends entirely on what the room is for. At 40 sq m, here's how a 5×8 m space rates against typical room sizes:

As a...VerdictTypical Range
Living Roomabove typicalAbove the typical range (up to 37.2 m²)
Bedroomabove typicalAbove the typical range (up to 23.2 m²)
Dining Roomabove typicalAbove the typical range (up to 27.9 m²)
Home Officeabove typicalAbove the typical range (up to 18.6 m²)
Kitchenabove typicalAbove the typical range (up to 27.9 m²)
Bathroomabove typicalAbove the typical range (up to 13.9 m²)

Benchmarks from our standard room dimensions guide.

Planning a 5×8 Meter Room

5×8 m is the whole ground floor of a narrow British new-build townhouse, the open-plan living space of a converted warehouse unit, and the double garage with a workshop that European self-builders draw first. Forty square metres at 5 m wide is three rooms in one.

At 1:1.6 the 800-cm length is three bands, kitchen 250, dining 250, living 300, all 500 cm wide: a 90-cm island with 100-cm aisles on both sides uses 60 + 100 + 90 + 100 = 350 cm of the width, and a 180×90-cm table set across the room leaves 160 cm at each end.

What this size is best used for

  1. 1
    Kitchen, dining and living in a line

    Counters and island in the far 250 cm; a 180×90-cm table set across the middle 250 cm, one row pulling out 90 cm and the other on a bench; a sofa group in the near 300 cm with 500 − 90 − 40 − 50 − 40 = 280 cm of path across it.

  2. 2
    Double garage with a rear workshop

    Two 185-cm cars (35 + 185 + 60 + 185 + 35 = 500) stop 800 − 460 = 340 cm short of the back wall, room for a 60-cm-deep bench along the back, a tool wall down one side and 280 cm of floor to work on.

  3. 3
    Studio apartment

    A 2×3 m bathroom in the far left corner, counters continuing along the far wall (200 + 300 = 500), a 160×200-cm bed in the far right past the bathroom's line, a 160×90-cm table midway, and a sofa group in the near 300 cm.

Kitchen, dining and living in a 5×8 m room

Furniture sizes are the same true-to-scale pieces in the RoomSketch3D catalog; clearances are what is left after each step.

  1. Kitchen (far 250 cm): a full 500-cm run of units along the far wall, with fridge-freezer, oven housing, sink, hob, dishwasher and worktops in 60-cm modules, 60 cm deep; the island (200×90 cm) floats 100 cm in front, centred, its near edge at 60 + 100 + 90 = 250 cm.
  2. Dining (250 to 500 cm): table 180×90 cm set across the room, 160 cm from each long wall, from 340 to 430 cm along the room; the far row pulls out toward the island (stools tucked under when it does), and the near row sits on a 40-cm bench with 500 − 430 − 40 = 30 cm behind it.
  3. Living (near 300 cm): a 220×90-cm sofa spans the middle of the near 5-m wall (140 cm to each corner) and faces the table; a 100×50-cm coffee table 40 cm out; the TV on a bracket on the right long wall at 650 cm; an 80-cm armchair angled in the near left corner.
  4. The door sits in the left long wall's near corner and opens into the 140-cm gap beside the sofa; between the coffee table's far edge (90 + 40 + 50 = 180 cm from the near wall) and the dining bench lie 300 − 180 = 120 cm of open floor.

Mistakes this size invites

  • Counters along a long wall with the island beside them: the island then occupies the dining band's line, the table moves into the living band, and the armchair and its walkway go.
  • Cars in tandem: 460 + 460 = 920 cm in 800, so the rear car is a 340-cm city car that cannot leave until the front one moves.

What Furniture Fits in a 5×8 Meter Room?

Working from 40 square meters with standard walkway clearances (about 90 cm), here's what comfortably fits depending on how you use the room:

Maximum Furniture Sizes for a 5×8 m Room

Max sofa width:300 cm
Max bed:Twin
Max round table:201 cm diameter
Ideal rug:12' x 15' (Room Size) (366×457 cm)

Lists like this can't tell you if it actually works

"A 3-seater sofa fits" is true — until the door swing eats half a meter of wall, the radiator blocks the long wall, or the walkway to the window shrinks to 50 cm. The only way to know your layout works is to see it: draw the 5×8 m room, place real furniture at true scale, and check the flow.

That's exactly what RoomSketch3D does. Drag-and-drop true-to-scale furniture pieces into your exact room and walk through it in 3D — before you buy, move, or assemble anything.

Draw your 5×8 m room and see what fits

Stop imagining layouts. Build this exact room in RoomSketch3D, try furniture arrangements in minutes, and see it in 2D & 3D.

Design My 5×8 Room

One-time $19.99 purchase. No subscription. True-size furniture, custom sizes.

Frequently Asked Questions

How many square meters is a 5x8 room?

A 5x8 meter room is 40 square meters (5 m × 8 m = 40 m²), which is 431 square feet. Its wall perimeter is 26 meters, the figure you need for skirting, wallpaper and cable runs.

What is a 5x8 meter room in feet?

A 5x8 meter room measures 16.4 × 26.2 feet, for a total area of 431 square feet.

What is a 5x8 meter room best used for?

Kitchen, dining and living in a line. Counters and island in the far 250 cm; a 180×90-cm table set across the middle 250 cm, one row pulling out 90 cm and the other on a bench; a sofa group in the near 300 cm with 500 − 90 − 40 − 50 − 40 = 280 cm of path across it.

What is the most common layout mistake in a 5x8 meter room?

Counters along a long wall with the island beside them: the island then occupies the dining band's line, the table moves into the living band, and the armchair and its walkway go.