Calcylator
Square Feet to Square Metres

1000 sq ft to sq m:
about 92.9 square metres

Convert flat sizes, plots and rooms from square feet to square metres, and back, with a quick chart and the mistake that catches most people.

Calcylator Editorial Team

Updated · 5 min read

How many square metres are in 1000 square feet?

1,000 square feet equals exactly 92.90304 square metres, or about 92.9 m². To convert any area, multiply square feet by 0.09290304. The factor is exact because the foot is defined as exactly 0.3048 metres.

A 1,000 sq ft flat or house is a common size in property listings, and the metric figure of about 93 m² is what many floor plans outside the United States quote.

Typical places this conversion turns up: comparing a flat advertised in sq ft with a builder's metric plan, checking a rented office or shop against a lease written in square metres, and buying tiles or carpet where the pack states coverage in m².

Because the result is exact, you can trust it for contracts and calculations as long as the measured area itself is accurate.

Square feet to square metres formula

Square feet to square metres =m² = ft² x 0.09290304
m²:
area in square metres
ft²:
area in square feet
0.09290304:
0.3048 x 0.3048, the square of one foot in metres
To go back, multiply square metres by 10.7639 (the reciprocal, rounded).
  • Area

    1,000 sq ft

  • Multiply

    1,000 x 0.09290304

Area in square metres

92.90304 m²

Rounded to two decimals this is 92.90 m².

Find the area from length and width first

Often you start with a length and a width rather than an area. The Rectangle Area calculator multiplies the two, giving an area in square units, with no unit conversion built in. Keep both sides in the same unit, then convert the result once.

  • Length

    40 ft

  • Width

    25 ft

  • Area

    40 x 25 = 1,000 sq ft

Area in square metres

92.90 m²

Converting the finished area is simpler than converting each side.

  • Room length

    12 ft

  • Room width

    10 ft

  • Area

    12 x 10 = 120 sq ft

Area in square metres

11.15 m²

120 x 0.09290304 = 11.1484, shown to two decimals.

Chart: common sizes in sq ft and sq m

Square feet to square metres
Square feetSquare metres
1009.29
25023.23
50046.45
75069.68
1,00092.90
1,200111.48
1,500139.35
2,000185.81
2,500232.26

For a quick mental estimate, divide square feet by about 10.76, or simply by 11 for a slightly low answer.

Plots, flats and shops are usually quoted in round numbers, so the chart covers the sizes you meet most. For anything in between, scale: 1,600 sq ft is twice 800 sq ft, which is 74.32 m², so it is about 148.64 m².

Common mistakes converting sq ft to sq m

  • Using 0.3048 instead of 0.09290304. The linear factor is for lengths; areas need its square.
  • Converting a 1,000 sq ft area by dividing by 3.28, which gives about 304.8, a length-style answer.
  • Confusing sq ft with built-up, carpet or plot area. The unit is the same but the measured surfaces differ.
  • Rounding too early on large plots; keep at least four digits until the end.

Another slip is mixing a built-up figure from the seller with a carpet figure from the plan. The conversion is the same, but 1,000 sq ft built-up may be only 800 sq ft of usable carpet, which is 74.32 m². Always ask which area a number describes.

Going the other way: square metres to square feet

Multiply square metres by 10.7639. A 50 m² apartment is about 538.2 sq ft, and a 100 m² house is about 1,076.4 sq ft. Round the result sensibly when you compare listings, since agents often round to the nearest 5 or 10.

Keep the area type in mind when you do this. A 100 m² plot may be sold as 1,076 sq ft, but the buildable floor area is set by local rules, so always check what the figure includes before comparing prices per square foot and per square metre.

Common questions

How many square metres are in 1000 sq ft?

1,000 square feet is exactly 92.90304 square metres, about 92.9 m². The factor 0.09290304 comes from squaring the exact foot length of 0.3048 metres, so the conversion has no rounding error.

How do I convert sq ft to sq m?

Multiply the area in square feet by 0.09290304. For example, 500 sq ft is 500 x 0.09290304 = 46.45 square metres. Use the same factor for any size, and round only the final answer.

How do I convert square metres to square feet?

Multiply square metres by about 10.7639. For example, 50 m² is about 538.2 square feet. This is the reciprocal of 0.09290304, so the two conversions always agree when you do not round early.

Why can't I use 0.3048 to convert square feet?

The factor 0.3048 converts a length in feet to metres. An area has two dimensions, so the factor is applied twice: 0.3048 x 0.3048 = 0.09290304. Using 0.3048 alone would understate the area by a large margin.

How do I get an area in square feet from length and width?

Multiply the length in feet by the width in feet. A room 40 ft by 25 ft is 1,000 sq ft. Then multiply by 0.09290304 to get 92.90 square metres. Use one unit for both sides.

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