Square Feet to Square Meters Converter
Floor area from sq ft to m² — the number every listing outside the US quotes.
Updated
square meters
92.90m²
1,000 sq ft = 92.90 m²
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In short
How many square meters is 1,000 square feet?
1,000 square feet is 92.90 square meters. Multiply any square footage by exactly 0.09290304, or divide by 10.7639, because the foot is defined as exactly 0.3048 m and area needs that factor squared. So 500 sq ft is 46.45 m², 1,500 sq ft is 139.35 m², and 2,000 sq ft is 185.81 m².
The number converts exactly, but what counts as floor area does not: US and European listings measure different things.
square feet to square meters — quick reference
| square feet (sq ft) | square meters (m²) |
|---|---|
| 100 sq ft | 9.29 m² |
| 200 sq ft | 18.58 m² |
| 400 sq ft | 37.16 m² |
| 500 sq ft | 46.45 m² |
| 800 sq ft | 74.32 m² |
| 1,000 sq ft | 92.90 m² |
| 1,500 sq ft | 139.35 m² |
| 2,000 sq ft | 185.81 m² |
The formula, worked line by line
The international foot has been defined as exactly 0.3048 meters since the 1959 agreement that fixed the yard at 0.9144 m. A square foot is therefore exactly 0.3048 squared, which is 0.09290304 m². There is no rounding hidden in that factor: it is a definition squared, and it terminates after eight decimal places rather than running on forever.
That is the whole rule for area conversion, and it generalises. Any area factor is the length factor squared, and any volume factor is the length factor cubed. Getting this wrong is the single most common mistake in unit work, because 3.28 and 10.76 are both correct numbers for the same pair of units and only one of them belongs in an area calculation.
m² = sq ft × 0.09290304
= sq ft × 0.3048² (1 ft = 0.3048 m, exactly)
sq ft = m² × 10.7639104…
1,000 sq ft → 1,000 × 0.09290304 = 92.90304 m²- Square feet entered
- 1,000
- The exact factor
- 0.3048² = 0.09290304
- Multiply
- 1,000 × 0.09290304 = 92.90304
- Square meters
- 92.90
A 1,000 sq ft apartment listed the way the rest of the world would list it. Work a room instead and a 12 ft by 14 ft bedroom is 168 sq ft, which is 168 × 0.09290304 = 15.61 m². For anything rectangular, multiply the two sides in feet first and convert the area once; converting each side to metres and then multiplying gives the same answer but rounds twice on the way there.
One historical wrinkle that matters more for area than for length. Until recently the United States carried two definitions of the foot: the international foot at exactly 0.3048 m, and the US survey foot at 1200/3937 m, which is about two parts per million longer.
Squared, that becomes four parts per million of area — invisible on a bedroom, but a 1,000-acre tract differs by about 16 m² depending on which foot was used. NIST and the National Geodetic Survey deprecated the US survey foot on 31 December 2022, and from 1 January 2023 the international foot is the single definition for all applications. This converter uses it.
How to use the square feet to square meters converter
Square feet is a US-and-a-handful-of-others unit. The moment your floor area has to travel — an international rental listing, a relocation package, an architect abroad, or the metric room planner every flat-pack furniture brand ships — it has to become square meters. Enter the square footage and this converter gives you the metric equivalent; Swap handles the return trip.
The factor it uses is exact rather than approximate, because the international foot has been defined as exactly 0.3048 metres since 1959, which makes a square foot exactly 0.09290304 m². Nothing in the arithmetic is rounded, so a 340 sq ft studio and a 34,000 sq ft warehouse convert with the same fidelity.
0.09290304
m² per square foot
0.3048 squared, exact since 1959
92.90 m²
1,000 square feet
the default conversion
10.7639
square feet per m²
the reverse factor
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At house scale the numbers are easy to anchor once you have a few in your head, and rooms shrink to numbers that look surprisingly small to an American eye: a 12 ft by 12 ft bedroom is 144 sq ft, or 13.38 m², and a two-car garage at 20 ft square is 400 sq ft, or 37.16 m².
- A 400 sq ft studio
- 37.16 m²
- An 800 sq ft one-bedroom
- 74.32 m²
- A 1,000 sq ft apartment
- 92.90 m²
- A 1,500 sq ft home
- 139.35 m²
- A 2,000 sq ft home
- 185.81 m²
The cleanest anchor of all is that 1,076 sq ft is almost exactly 100 m², so dividing square footage by about 10.76 gets you there.
For a fast estimate, divide the square footage by 10.8. That gives 92.6 m² for 1,000 sq ft against a true 92.90, about 0.3 percent low, which is far finer than anyone measures a room. The rougher multiply-by-0.09 version puts 1,000 sq ft at 90 m², roughly 3 percent low: good enough to decide whether a place is big, not good enough to order flooring.
Then check what the original number actually measured. US listings usually quote gross area to the outside face of the walls, while French surface habitable, German Wohnfläche and similar standards count usable interior space and discount wall thickness, balconies and low-ceilinged areas. The same apartment can lose 5 to 10 percent crossing that line.
Coming at it from the metric side?
A European listing arrives already in square meters, so the return trip is the one you need when the number was written for the other market.
Convert square meters to feet →A ladder of real spaces from a single mattress up to a football field, so a converted figure lands on something you can stand in rather than an abstract number. Where a row names its dimensions, the areas follow from those dimensions and the exact factor of 0.09290304.
| Space | Square feet | Square meters |
|---|---|---|
| One square yard (3 ft × 3 ft) | 9 sq ft | 0.84 m² |
| A US queen mattress footprint (60 in × 80 in) | 33.33 sq ft | 3.10 m² |
| A 12 ft × 12 ft bedroom | 144 sq ft | 13.38 m² |
| A common US parking stall (9 ft × 18 ft) | 162 sq ft | 15.05 m² |
| A single-car garage (12 ft × 22 ft) | 264 sq ft | 24.53 m² |
| A two-car garage (20 ft × 20 ft) | 400 sq ft | 37.16 m² |
| A one-bedroom apartment | 800 sq ft | 74.32 m² |
| A small family apartment | 1,000 sq ft | 92.90 m² |
| A mid-size US house | 1,500 sq ft | 139.35 m² |
| A larger US house | 2,000 sq ft | 185.81 m² |
| A doubles tennis court (78 ft × 36 ft) | 2,808 sq ft | 260.87 m² |
| An NBA basketball court (94 ft × 50 ft) | 4,700 sq ft | 436.64 m² |
| One acre | 43,560 sq ft | 4,046.86 m² |
| An American football field, end zones included (360 ft × 160 ft) | 57,600 sq ft | 5,351.22 m² |
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Why does area need the factor squared?
The trap is converting with the wrong factor. One meter is 3.28084 feet, and people reach for that number out of habit, but area needs it applied twice. One square meter is 3.28084 squared, or 10.7639 square feet, so a 1,000 sq ft flat is not 305 m². If your answer comes out roughly three times too big, you divided by the length factor instead of its square.
The same trap has a subtler form worth knowing: an error in a length becomes a bigger error in an area, because it is squared along with everything else. Measure a room 10 percent long and you overstate its floor area by 21 percent, not 10, and for a volume the same slip becomes 33 percent.
The squaring is also where measurement error hides. Because area is a length multiplied by a length, a percentage error in a dimension roughly doubles when it reaches the area: 1.1 squared is 1.21, so a 10 percent overestimate of a wall becomes a 21 percent overestimate of the floor.
Cut the other way, a 5 percent short measurement understates the area by about 10 percent. This is why flooring and paint estimates go wrong far more often than the conversion does, and why it pays to measure twice before converting once.
Read it: The error roughly doubles on its way from a length to an area and triples on its way to a volume, so precision in the tape matters more than precision in the factor.
Every square feet value, worked out
65 common square feet figures each get their own page, with the answer at full precision, the arithmetic, what rounding costs, and the nearest real-world reference point on the scale.
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Questions people ask
How many square meters is 1,000 square feet?
1,000 sq ft is 92.90 m². The useful reference points around it: 400 sq ft is 37.16 m², 500 sq ft is 46.45 m², 800 sq ft is 74.32 m², 1,200 sq ft is 111.48 m², 1,500 sq ft is 139.35 m², and 2,000 sq ft is 185.81 m². A tidy way to hold the relationship is that 1,076 sq ft is almost exactly 100 m², so square footage divided by about 10.76 gives the metric figure. For anything more precise than a mental estimate, multiply by the exact factor of 0.09290304 instead.
Why is the conversion factor not 3.28?
Because 3.28084 converts length, not area. A square meter is 1 m on each side, which is 3.28084 ft on each side, so its area is 3.28084 squared, or 10.7639 sq ft. Going the other way, a square foot is 0.3048 squared, or 0.09290304 m². Any time you convert an area, the length factor has to be squared, and for a volume it has to be cubed. Using 3.28 on an area understates it by roughly a factor of three, which is the most common error in this conversion and the easiest to spot once you know the answer should be about a tenth of the input.
Does a small measuring error matter much for area?
More than people expect, because the error squares along with the dimensions. Overstate a wall by 10 percent and the floor area comes out 21 percent high, since 1.1 squared is 1.21. Understate it by 5 percent and the area drops about 10 percent. In a 15 ft by 20 ft room, being one foot out on each side shifts the area from 300 to 336 sq ft, a 12 percent swing that would put a flooring order a full box out. The lesson is that precision in the measurement matters far more than precision in the conversion factor.
How many square feet are in an acre, and what is that in metric?
An acre is exactly 43,560 sq ft — historically one chain by one furlong, or 66 ft by 660 ft. In metric that is 4,046.86 m², or 0.4047 hectares. A hectare, by contrast, is a clean 100 m by 100 m square: 10,000 m², or 107,639 sq ft, which works out to 2.4711 acres. For a sense of scale in between, an American football field including both end zones is 360 ft by 160 ft, so 57,600 sq ft, 5,351.22 m², or 1.32 acres.
Do US and European listings measure the same floor area?
Often not. US square footage is typically gross living area measured to the exterior face of the wall, whereas French surface habitable, German Wohnfläche and similar standards measure usable interior space and discount or exclude wall thickness, balconies and low-ceiling areas. Convert the number faithfully, then ask which standard produced it, because the difference commonly runs 5 to 10 percent and it almost always favours the US figure. When you are comparing two homes across that line, the honest comparison is room by room from a floor plan rather than headline area against headline area.
Sources
Where the constants and formulas on this page come from. Each line names the figure it backs.
The square foot follows from the exactly defined 0.3048 metre foot.
NIST Guide to the SI, Appendix B.8 — Factors for units listed alphabetically — NIST
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