Square Meters to Square Feet — Apartment Size Conversion Guide

If you are comparing apartments in London (listed in square feet) with ones in Berlin (listed in square meters), or looking at US real estate from outside the US, the unit conversion is the first obstacle. The numbers look completely different, but they describe the same physical spaces.

The Area Converter handles square meters, square feet, and other area units in one place. This article explains the conversion, gives you a reference table for typical apartment sizes, and puts the numbers in context so you know what 50 m² or 800 sq ft actually feels like.

The Core Conversion

1 square meter = 10.764 square feet

1 square foot = 0.0929 square meters

sq ft = m² × 10.764

m² = sq ft × 0.0929

For a rough mental conversion, multiply square meters by 10 and add about 8%. So 50 m² ≈ 538 sq ft. Or multiply by 11 for a quick approximation: 50 × 11 = 550 — slightly high, but useful for fast estimates.

Going the other way, divide square feet by 11 to get approximate square meters: 800 sq ft ÷ 11 ≈ 73 m².

Apartment Size Reference Table

Square meters (m²)Square feet (sq ft)Typical description
20 m²215 sq ftStudio / single room, very small
25 m²269 sq ftMicro studio, common in Tokyo/Hong Kong
30 m²323 sq ftSmall studio, European city centre
40 m²430 sq ftStudio or small 1-bed, tight but liveable
50 m²538 sq ft1-bedroom flat, typical in UK cities
60 m²646 sq ftComfortable 1-bed or small 2-bed
70 m²753 sq ft2-bedroom flat, compact
80 m²861 sq ft2-bedroom flat, comfortable
90 m²969 sq ft2–3 bedroom flat
100 m²1,076 sq ft3-bedroom flat or spacious 2-bed
120 m²1,292 sq ft3-bedroom, larger family flat
150 m²1,615 sq ftLarge flat or small house
180 m²1,938 sq ftLarge family home
200 m²2,153 sq ftSpacious house
250 m²2,691 sq ftLarge house
300 m²3,229 sq ftVery large house

Average Apartment Sizes by Country

Apartment sizes vary significantly by country and city, reflecting land costs, construction norms, and cultural expectations.

CountryAverage apartment size
United States89 m² (958 sq ft)
Canada77 m² (829 sq ft)
United Kingdom46 m² (495 sq ft) — new builds
Germany66 m² (710 sq ft)
France72 m² (775 sq ft)
Japan33 m² (355 sq ft) — urban apartments
Hong Kong21 m² (226 sq ft) — average per person
Australia80 m² (861 sq ft)

US apartments are noticeably larger than European ones, partly because US construction costs allow more space for comparable prices, and partly because land is cheaper outside major cities. In high-density Asian cities like Hong Kong and Tokyo, apartments are much smaller — a 25 m² studio is not unusual.

What Different Sizes Feel Like

The abstract number becomes more concrete when you map it to specific room configurations:

Under 35 m² (under 377 sq ft): A single room with a bathroom. Sleeping, cooking, and living happen in one space. Functional but not spacious. Common in expensive city centres.

35–50 m² (377–538 sq ft): A studio with a separate sleeping area, or a very small 1-bedroom. You can have distinct sleeping and living zones. Still tight for two people full-time.

50–65 m² (538–700 sq ft): A 1-bedroom flat with a separate bedroom and a small living area. Comfortable for one person, workable for a couple. Most UK city centre 1-beds fall here.

65–85 m² (700–915 sq ft): A 2-bedroom flat or a spacious 1-bedroom. Enough room for a home office or a second person permanently. This is the sweet spot for a couple in many European cities.

85–110 m² (915–1,184 sq ft): A 2–3 bedroom flat or a small house. Comfortable for a small family. Typical for US 2-bedroom apartments outside major cities.

Over 130 m² (over 1,400 sq ft): 3+ bedrooms, dedicated living and dining spaces. This is a house in most European cities; a mid-range home in the US.

Why Property Listings Use Different Units

Countries that use the metric system — most of Europe, Asia, Australia — list floor area in square meters. Countries using the imperial system — the US, UK (partially), and Canada — tend to use square feet.

The UK is a special case. UK real estate uses square feet for residential property but square meters for commercial. An estate agent might list a flat as "653 sq ft (60.7 m²)" with both figures. New build developers in the UK often use square meters in their marketing materials, even though buyers commonly think in square feet.

This means if you are apartment hunting across borders — say, comparing a London flat to one in Paris — you will routinely need to convert. The Area Converter handles the conversion quickly and also covers acres, hectares, and square yards if you encounter those.

Room Size Quick Reference

For individual rooms rather than full apartments:

RoomTypical metric sizeTypical imperial size
Single bedroom8–10 m²86–108 sq ft
Double bedroom11–14 m²118–150 sq ft
Master bedroom14–20 m²150–215 sq ft
Kitchen8–12 m²86–129 sq ft
Living room15–25 m²161–269 sq ft
Bathroom4–8 m²43–86 sq ft
Home office8–12 m²86–129 sq ft

These are typical Western European and North American sizes. Actual room dimensions vary widely by building era, country, and price point.

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