🇪🇺 EU Apartment Listing Decoder

Square Centimeters to Square Feet Converter: EU Apartment Listing Decoder Converts m2 and cm2 Floor Plans to US sq Ft with Size-Category Comparison and Reverse 30×30 cm Tile Check

Built and reviewed by David (MBA Finance) · Updated August 2026

Three modes: convert cm2 to sq ft (1 cm2 = 0.00107639 sq ft exactly), use EU Apartment Listing Decoder to enter m2 or cm2 from European floor plans and get US sq ft plus a US size-category band with Census comparison, or batch-convert up to 20 values. Reverse tile check: 900 cm2 (30×30 EU tile) = 0.9688 sq ft, not 1 sq ft.

1 cm2 = 0.00107639 sq ft 1 m2 = 10.7639 sq ft m2 or cm2 Input US Size Category Band Census 2024 Comparison 30×30 Tile Alert

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cm2 to Square Feet

Square Centimeters

cm2

1 cm2 = 0.00107639 sq ft. Key: 900 cm2 (30×30 EU tile) = 0.9688 sq ft (NOT 1 sq ft). 10,000 cm2 = 1 m2 = 10.7639 sq ft. 92,903 cm2 = 100 sq ft.

Conversion Result

0 sq ft

0 cm2 / m2

0 m2 / size band

0 sq in / % of median

Formula and US Size Context

Reading a European Floor Plan in m2 or cm2: How to Get US sq Ft and Know What You Are Actually Looking At

European property listings describe floor plans in square meters. A German Wohnung at 72 m2, a French appartement at 68 m2, a Spanish piso at 90 m2, and these floor plan figures mean nothing to most American buyers and renters until they become square feet. The EU Apartment Listing Decoder on this page does that conversion instantly and adds the one piece of context that the math alone cannot: what kind of US space does that equate to?

The conversion factor is exact. 1 square foot = 929.0304 cm2 (because 1 foot = 30.48 cm exactly, and 30.48 x 30.48 = 929.0304). So 1 cm2 = 1/929.0304 = 0.00107639 sq ft. For the m2 figure that European listings use, multiply by 10,000 to get cm2 (1 m2 = 10,000 cm2), then divide by 929.0304. The shortcut: multiply m2 by 10.7639 to get sq ft directly. So an 85 m2 apartment = 85 x 10.7639 = 915.1 sq ft. A 120 m2 home = 1,291.7 sq ft. A 200 m2 property = 2,152.8 sq ft, which is very close to the 2024 US Census Bureau median home size of 2,179 sq ft.

But the number alone still requires context. 915 sq ft sounds small to a buyer used to the American suburbs but sounds large to a New Yorker who lives in a 650-square-foot 1-bedroom. The EU Apartment Listing Decoder solves this by placing the converted sq ft into a US size band (Tiny studio, Studio, 1-Bedroom, 2-Bedroom, 3-Bedroom, Large home, or Spacious home) based on nationwide US apartment and home size data, and then showing what percentage of the 2024 US Census median that size represents. This gives American buyers and investors immediate intuitive scale, regardless of their home market.

1 m2 = 10.7639 sq ft Exact: 1 m2 = 10,000 cm2 / 929.0304 = 10.763910417 sq ft. The most useful EU-to-US conversion for real estate comparisons.

US median: 2,179 sq ft 2024 Census Bureau median US home = 2,179 sq ft = 202.5 m2 = 2,025,000 cm2. Used as the benchmark in the Decoder comparison.

900 cm2 = 0.969 sq ft 30×30 cm EU tile = 900 cm2 = 0.9688 sq ft, NOT 1 sq ft. A gap of 3.23%. Always shown when 900 cm2 is entered.

How the Three-Mode cm2 to sq Ft Converter Works

Mode 1: Single cm2 to sq Ft

Enter any cm2 value. Output: sq ft (cm2 / 929.0304), m2, sq in, sq yd, US size band, and the 30×30 tile alert if you enter exactly 900. Chart compares to common US apartment size benchmarks.

Mode 2: EU Apartment Listing Decoder (m2 or cm2)

Enter an area in m2 or cm2 using the unit toggle. Nine presets cover common EU property sizes (35 m2 studio through 200 m2 large home) and EU product sizes (30×30 tile through 1 m2 panel). Output: US sq ft, US size category with description, percentage of the 2024 US Census median home (2,179 sq ft), m2 cross-check, and the 30×30 cm tile alert for 900 cm2. Chart shows your property vs US Studio average (400 sq ft), 2-BR average (1,000 sq ft), and the US median home (2,179 sq ft).

Mode 3: Batch Conversion

Enter up to 20 cm2 values. Table shows sq ft, m2, sq in, and US size band for each. Useful for real estate analysts comparing multiple European listings, or architects converting EU product spec coverage figures across a project.

EU Apartment Sizes Converted to US sq Ft: What European Floor Plans Actually Mean in American Terms

EU Size (m2)	cm2	US sq Ft	US Size Category	US Context
25 m2	250,000 cm2	269.1 sq ft	Tiny studio	Micro-unit, common in Tokyo, Paris, NYC
35 m2	350,000 cm2	376.7 sq ft	Tiny studio	Compact studio, tight but functional
40 m2	400,000 cm2	430.6 sq ft	Studio	Standard EU studio = small US studio
50 m2	500,000 cm2	538.2 sq ft	Studio / 1-BR	Spacious EU studio = small US 1-bedroom
65 m2	650,000 cm2	699.7 sq ft	1-Bedroom	Typical EU 2-room flat = US 1-bedroom
75 m2	750,000 cm2	807.3 sq ft	1-Bedroom	Large EU 1-bedroom or small 2-bedroom
85 m2	850,000 cm2	915.1 sq ft	2-Bedroom	EU 3-room flat = US 2-bedroom
100 m2	1,000,000 cm2	1,076.4 sq ft	2-Bedroom	Large EU 2-bedroom = comfortable US 2-BR
120 m2	1,200,000 cm2	1,291.7 sq ft	3-Bedroom	EU 4-room flat = US 3-bedroom home
150 m2	1,500,000 cm2	1,614.6 sq ft	3-Bedroom	Large EU home = US 3-bedroom house
180 m2	1,800,000 cm2	1,937.5 sq ft	Large home	Approaching US median home size
202.5 m2	2,025,000 cm2	2,179 sq ft	Large home	Exact US median home (Census 2024)
250 m2	2,500,000 cm2	2,690.9 sq ft	Spacious home	Above US median, equivalent to large suburban home

US size bands are based on national averages. Local market context matters: 915 sq ft is a large 2-bedroom in San Francisco but a small 2-bedroom in Houston. The EU apartment size convention typically counts rooms differently from the US: a European “3-room apartment” usually means 2 bedrooms plus a living area (not 3 bedrooms). Source for US median: US Census Bureau American Housing Survey at Census.gov.

Three Real US Examples: Apartment Search, Tile Import, and Architect Spec Translation

Example 1: A Boston Buyer Evaluating a 78 m2 Lisbon Apartment for Investment

EU Listing Decoder: 78 m2 = 780,000 cm2 / 929.0304 = 839.6 sq ft. US size band: 1-Bedroom (500-900 sq ft). That is 38.5% of the 2024 US median home size (2,179 sq ft).

A Boston real estate investor is evaluating a 78 m2 apartment in Lisbon for short-term rental. They want to understand the US-equivalent size and whether it competes with the local Boston 1-bedroom rental market, where they already own properties averaging 820 sq ft.

EU Listing Decoder: 78 m2 x 10,000 = 780,000 cm2. 780,000 / 929.0304 = 839.6 sq ft. US size band: 1-Bedroom (500-900 sq ft). At 839.6 sq ft, the Lisbon apartment is slightly larger than the investor’s Boston 1-bedroom average of 820 sq ft. It is 38.5% of the 2024 US Census median home of 2,179 sq ft. In the Lisbon short-term rental market, an 838 sq ft apartment (78 m2) is considered a spacious 2-bedroom (T2 in Portuguese terminology, which counts the living room as a room). This is important context: a European T2 (2-room = 1 bedroom + living room) is smaller than what an American tourist expects from a “2-bedroom” listing. Understanding this naming gap is as important as the cm2-to-sq-ft conversion for accurate property comparisons.

The US Department of State at State.gov provides guidance on foreign property ownership laws for US citizens, including Portugal’s Golden Visa program and property purchase tax requirements that affect the return on investment calculations for US buyers in the EU market.

Example 2: A Dallas Homeowner Verifying a 30×30 cm Tile Box That Claims 10 sq Ft Coverage

Single mode: 900 cm2 (30×30 cm tile) = 0.9688 sq ft per tile. At 10 tiles per box: 10 x 0.9688 = 9.688 sq ft per box. A box claiming “10 sq ft coverage” for 30×30 cm tiles is rounding up by 3.12%.

A Dallas homeowner orders 30×30 cm Italian tile. The box says “10 tiles, 10 sq ft coverage.” They need 450 sq ft of floor. Their calculation: 450 / 10 sq ft per box = 45 boxes. Is this right?

Single mode check: 900 cm2 (30×30 cm tile) = 900 / 929.0304 = 0.9688 sq ft per tile exactly. At 10 tiles per box: 10 x 0.9688 = 9.688 sq ft per box, not 10 sq ft. The box label rounds up to 10 sq ft, which overstates coverage by 3.12%. For 450 sq ft: correct boxes needed = 450 / 9.688 = 46.45 boxes, rounded up to 47 boxes. But the box label implies 45 boxes. The difference is almost 2 boxes, which at 10 tiles per box = 19.4 tiles short. After adding 10% waste: correct order = ceil(450 x 929.0304 / 900 x 1.10) = ceil(511.4) = 512 tiles = 52 boxes. The homeowner’s original calculation of 45 boxes is wrong and would leave them about 7 boxes short after waste. The 30×30 cm to sq ft conversion is the most common tile ordering error for US buyers importing EU tiles.

The Federal Trade Commission at FTC.gov regulates product labeling accuracy under the FTC Act. Floor covering product labels must accurately represent coverage area; rounding the 9.688 sq ft actual coverage to “10 sq ft” on a box label may be within acceptable rounding conventions but can lead consumers to under-order. Always verify from tile dimensions rather than relying on the label’s rounded coverage figure.

Example 3: A Seattle Architect Converting an Austrian Manufacturer’s Acoustic Panel Spec from cm2 to sq Ft

EU Listing Decoder: Austrian panel = 60×120 cm = 7,200 cm2 per panel. 7,200 / 929.0304 = 7.75 sq ft per panel. For 2,800 sq ft ceiling: 361.3 panels net. With 10% waste: 398 panels. At 4 panels/box: 100 boxes.

A Seattle architect is specifying Austrian acoustic ceiling panels for a 2,800-square-foot recording studio. The Austrian manufacturer’s spec sheet lists panel dimensions as 60×120 cm and says coverage is 0.72 m2 per panel. How many panels and boxes (4 per box) does the architect need?

EU Listing Decoder: 60×120 cm = 60 x 120 = 7,200 cm2. Verification: 7,200 cm2 / 10,000 = 0.72 m2 exactly. The spec sheet is correct. 7,200 / 929.0304 = 7.75 sq ft per panel. For 2,800 sq ft ceiling: 2,800 / 7.75 = 361.3 panels net. With 10% waste: 361.3 x 1.10 = 397.4, round up to 398 panels. At 4 per box: ceil(398/4) = 100 boxes = 400 panels (2 spare). Total sq ft covered: 400 x 7.75 = 3,100 sq ft. Overage: 300 sq ft (10.7%), appropriate for a recording studio with varied ceiling geometry and penetrations. The architect’s spec must convert the Austrian panel coverage from m2 to sq ft in the project specification document so the US subcontractor can verify quantities independently. Project specs in the US must use both imperial and metric units when specifying EU products under the AIA MasterFormat guidelines.

The National Council of Acoustical Consultants at NCAC.com provides guidelines for acoustic treatment specifications in commercial recording studios, including recommendations for ceiling panel overage quantities that account for material cutting waste in complex ceiling geometries. Their default overage recommendation of 10-15% for ceiling panels matches the waste factor used in this example.

Expert Tips: Reading European Property Listings, Understanding the Room Count Difference, and Verifying cm2 Spec Sheets

Tip 1: European Room Count Conventions Are Different from US Bedroom Count

When a European listing says “3 rooms” or “T3” (French), “3-Zimmer-Wohnung” (German), or “3 locali” (Italian), this does NOT mean 3 bedrooms. In most European countries, the room count includes the living room as one of the numbered rooms. So a “3-room apartment” in France = 2 bedrooms + 1 living room. A “4-room apartment” = 3 bedrooms + 1 living room. This convention differs from the US, where “3 bedrooms” means 3 sleeping rooms plus a separate living room not counted in the bedroom number. The practical result: a 90 m2 “3-room apartment” in Paris (which is 968.8 sq ft by the cm2 conversion) has 2 bedrooms, not 3. A US buyer searching for a 3-bedroom in the EU should look for listings showing 4 rooms (T4 in France, 4-Zimmer in Germany). The EU Apartment Listing Decoder gives you the sq ft equivalent so you can assess size, but the room count convention research must be done separately for each country. The US Embassy in each European country at USEmbassy.gov provides country-specific real estate guides for US citizens, including property purchase procedures and local market conventions.

Tip 2: The 10.76 Quick Estimate for m2 to sq Ft

For quick mental estimates when browsing European property listings: multiply m2 by 10.76 to get approximate sq ft (rounding the exact 10.7639 to 10.76). This gives answers within 0.04% of the exact conversion. Examples using the 10.76 quick estimate: 50 m2 x 10.76 = 538 sq ft (exact: 538.2). 80 m2 x 10.76 = 860.8 sq ft (exact: 861.1). 100 m2 x 10.76 = 1,076 sq ft (exact: 1,076.4). 150 m2 x 10.76 = 1,614 sq ft (exact: 1,614.6). The error from using 10.76 instead of 10.7639 is only 0.035%, which is about 0.35 sq ft per 1,000 sq ft, well within any practical rounding tolerance. Use this calculator for exact values when comparing formal property documents or ordering materials, and use the 10.76 mental shortcut for quick browsing estimates. For tile calculations, always use the exact 929.0304 cm2 per sq ft value because the 3.23% gap for 30×30 cm tiles is compounded by any rounding in the conversion factor. NIST at NIST.gov provides the authoritative definition of the international foot (exactly 30.48 cm) that makes the 929.0304 cm2 figure exact.

Tip 3: How to Cross-Check a EU Product Spec Sheet in cm2 vs m2

EU product spec sheets for tiles, flooring, underlay, and acoustic panels may present coverage in cm2, mm2, or m2, sometimes inconsistently within the same document. Here are the relationships to verify any spec sheet: 1 m2 = 10,000 cm2 = 1,000,000 mm2. Any spec sheet listing coverage in all three units should satisfy these exact relationships. If a 60×60 cm tile spec sheet says 3,600 cm2 per tile, 0.36 m2 per tile, and 360,000 mm2 per tile, these are all equivalent and the sheet is internally consistent. If any value does not match, contact the manufacturer for clarification before ordering. The US Customs and Border Protection at CBP.gov requires accurate dimension documentation in customs declarations for imported tile and flooring products. Product dimensions in cm must be converted to inches for the customs entry form (HTS heading 6907 for ceramic tiles), and the cm2 to sq ft conversion on this page provides the exact equivalent areas needed for that documentation.

Quick cm2 to sq Ft Reference: EU Tile Sizes and Common Property Areas

EU Area (cm2)	EU m2 Equivalent	US sq Ft	Context
400 cm2	0.04 m2	0.430 sq ft	20×20 cm mosaic tile
625 cm2	0.0625 m2	0.673 sq ft	25×25 cm tile
900 cm2	0.09 m2	0.969 sq ft	30×30 cm tile: NOT 1 sq ft (3.23% gap)
1,600 cm2	0.16 m2	1.722 sq ft	40×40 cm tile
3,600 cm2	0.36 m2	3.875 sq ft	60×60 cm tile
10,000 cm2	1 m2	10.764 sq ft	1 m2 panel
92,903 cm2	9.29 m2	100 sq ft	Exact reference: 100 sq ft
400,000 cm2	40 m2	430.6 sq ft	Small EU studio apartment
650,000 cm2	65 m2	699.7 sq ft	EU 1-bedroom flat
850,000 cm2	85 m2	915.1 sq ft	EU 2-bedroom flat
1,000,000 cm2	100 m2	1,076.4 sq ft	Comfortable EU 2-bedroom
1,200,000 cm2	120 m2	1,291.7 sq ft	EU 3-bedroom home
2,025,000 cm2	202.5 m2	2,179 sq ft	Exact US median home (Census 2024)

Formula: sq ft = cm2 / 929.0304. For m2: multiply by 10.7639. The 30×30 cm tile row is the most important reference: 900 cm2 = 0.9688 sq ft, not 1 sq ft. Source: conversion factor from NIST (1 ft = 30.48 cm exactly) at NIST.gov; US median home from US Census Bureau American Housing Survey at Census.gov.

Frequently Asked Questions: Square Centimeters to Square Feet

1 cm2 = 1/929.0304 = 0.00107639 sq ft exactly. Formula: sq ft = cm2 / 929.0304. Reverse: cm2 = sq ft x 929.0304.

1 m2 = 10,000 cm2 / 929.0304 = 10.7639 sq ft. Quick: multiply m2 by 10.76 for an estimate. For a 100 m2 home: 1,076.4 sq ft. The 2024 US median home (2,179 sq ft) = 202.5 m2.

900 cm2 = 900 / 929.0304 = 0.9688 sq ft. A 30×30 cm EU tile is NOT 1 sq ft. It is 3.23% smaller. For 100 sq ft you need 103.23 tiles, not 100.

85 m2 = 850,000 cm2 / 929.0304 = 915.1 sq ft. US size category: 2-Bedroom. An 85 m2 European apartment is about 915 sq ft.

50 m2 = 538.2 sq ft. US size: Studio to small 1-Bedroom. A 50 m2 EU flat is a studio or small 1-bedroom in US terms.

100 m2 = 1,076.4 sq ft. US size: 2-Bedroom. A 100 m2 European apartment is about 1,076 sq ft, which is a comfortable 2-bedroom in most US markets.

70 m2 = 753.5 sq ft. US size: 1-Bedroom. A 70 m2 flat is about 753 sq ft, which is a standard 1-bedroom apartment in most US cities.

120 m2 = 1,291.7 sq ft. US size: 3-Bedroom. A 120 m2 home is about 1,292 sq ft, a standard 3-bedroom home in US suburban markets.

Formula: sq ft = cm2 / 929.0304. For m2: sq ft = m2 x 10.7639. Both are exact: 1 sq ft = 929.0304 cm2 (because 1 ft = 30.48 cm exactly). Quick estimate: m2 x 10.76.

10,000 cm2 = 1 m2 = 10.7639 sq ft. To convert: 10,000 / 929.0304 = 10.7639. Or: 1 m2 x 10.7639 = 10.7639 sq ft.

60 m2 = 645.8 sq ft. US size: 1-Bedroom. A 60 m2 flat is about 646 sq ft, which is a studio or small 1-bedroom in US terms.

3,600 cm2 = 3,600 / 929.0304 = 3.875 sq ft. A 60×60 cm EU tile covers 3.875 sq ft. You need 0.258 tiles per sq ft (1 tile per 3.875 sq ft). For 100 sq ft: 25.8 tiles net, order 29 with 10% waste.

40 m2 = 430.6 sq ft. US size: Studio. A 40 m2 flat is about 431 sq ft, which is a standard studio apartment in the US.

150 m2 = 1,614.6 sq ft. US size: 3-Bedroom. A 150 m2 home is about 1,615 sq ft, which is a 3-bedroom house in most US markets.

200 m2 = 2,152.8 sq ft. US size: near the US median home. The 2024 US Census median home is 2,179 sq ft = 202.5 m2, so 200 m2 is 98.8% of the US median.

30 m2 = 322.9 sq ft. US size: Tiny studio. A 30 m2 unit is about 323 sq ft, which is a micro-studio or efficiency apartment in US terminology.

75 m2 = 807.3 sq ft. US size: 1-Bedroom. A 75 m2 flat is about 807 sq ft, which is a comfortable 1-bedroom apartment in most US cities.

92,903.04 cm2 = 100 sq ft exactly. This is the reference: 100 sq ft = 92,903.04 cm2 = 9.2903 m2. Confirms: cm2 to sq ft = divide by 929.0304.

45 m2 = 484.4 sq ft. US size: Studio. A 45 m2 flat is about 484 sq ft, which is a studio apartment in the US. In Germany or France, 45 m2 is often listed as a T1 or 1-Zimmer apartment.

80 m2 = 861.1 sq ft in the US. This is a comfortable 1-bedroom apartment by US national standards. It is 39.5% of the 2024 US median home (2,179 sq ft). In European cities like Paris or Berlin, 80 m2 is considered a spacious 2-bedroom (3-room) apartment.

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