Square Metres to Square Feet Guide: m² to ft² Conversion

Last updated: February 2026 | 8 min read

Understanding area conversions is essential for property searches, flooring projects, and real estate. UK estate agents use both square metres and square feet, so knowing how to convert between them is invaluable.

Convert Area Measurements

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The Conversion Formulas

Square Metres to Square Feet: ft² = m² × 10.764

Square Feet to Square Metres: m² = ft² ÷ 10.764

1 m² = 10.764 sq ft
1 sq ft = 0.0929 m²

Quick Reference: m² to ft² Chart

Square MetresSquare FeetTypical Use
5 m²54 sq ftSmall bathroom
10 m²108 sq ftSingle bedroom
15 m²161 sq ftDouble bedroom
20 m²215 sq ftMaster bedroom
25 m²269 sq ftLiving room
30 m²323 sq ftLarge room
40 m²431 sq ftStudio flat
50 m²538 sq ft1-bed flat
75 m²807 sq ft2-bed flat
100 m²1,076 sq ft3-bed house

Property Sizes in the UK

Here's how common property sizes compare in both units:

Property TypeSquare MetresSquare Feet
Studio flat25-45 m²270-485 sq ft
1-bedroom flat45-55 m²485-590 sq ft
2-bedroom flat55-75 m²590-810 sq ft
2-bedroom house70-90 m²755-970 sq ft
3-bedroom house85-120 m²915-1,290 sq ft
4-bedroom house110-160 m²1,185-1,720 sq ft
5-bedroom house140-200 m²1,505-2,150 sq ft

Room Size Standards

The UK has minimum space standards for new builds. Here are typical room sizes:

RoomMinimum m²Comfortable m²In sq ft
Single bedroom7.5 m²10 m²80-108 sq ft
Double bedroom11.5 m²14 m²124-150 sq ft
Living room (2-bed)21 m²25 m²226-269 sq ft
Kitchen6 m²10 m²65-108 sq ft
Bathroom2.5 m²5 m²27-54 sq ft
En-suite2 m²3.5 m²22-38 sq ft

Flooring Calculations

When buying flooring, you'll need to calculate area and often add 10% for waste:

Example: Flooring a 4m × 5m Room

  1. Calculate area: 4 × 5 = 20 m²
  2. Add 10% for waste: 20 × 1.10 = 22 m²
  3. In square feet: 22 × 10.764 = 237 sq ft

Order 22 m² or 237 sq ft of flooring

Flooring Coverage per Pack

Pack SizeIn m²In sq ft
Small pack1.5-2 m²16-22 sq ft
Standard pack2.5-3 m²27-32 sq ft
Large pack3.5-4 m²38-43 sq ft

Square Feet to Square Metres

Square FeetSquare Metres
100 sq ft9.3 m²
200 sq ft18.6 m²
300 sq ft27.9 m²
400 sq ft37.2 m²
500 sq ft46.5 m²
750 sq ft69.7 m²
1,000 sq ft92.9 m²
1,250 sq ft116.1 m²
1,500 sq ft139.4 m²
2,000 sq ft185.8 m²

Quick Mental Conversion

Approximations for Quick Estimates

  • m² to sq ft: Multiply by 10, then add 8% (or just multiply by 11)
  • sq ft to m²: Divide by 10, then subtract 8% (or just divide by 11)

Examples:

  • 50 m² × 11 = 550 sq ft (actual: 538)
  • 1,000 sq ft ÷ 11 = 91 m² (actual: 93)

Garden and Outdoor Areas

Garden SizeSquare MetresSquare Feet
Small patio10-20 m²108-215 sq ft
Terrace garden20-50 m²215-538 sq ft
Average back garden50-100 m²538-1,076 sq ft
Large garden100-200 m²1,076-2,153 sq ft
Country garden200-500 m²2,153-5,382 sq ft
Acre4,047 m²43,560 sq ft

Other Area Units

UnitSquare MetresSquare Feet
1 square yard0.836 m²9 sq ft
1 square metre1 m²10.76 sq ft
1 are100 m²1,076 sq ft
1 hectare10,000 m²107,639 sq ft
1 acre4,047 m²43,560 sq ft

Price per Square Metre/Foot

Estate agents often quote price per square foot or metre. Here's how to compare:

Example: Compare Two Properties

Property A: £500,000 for 150 m²

  • £500,000 ÷ 150 = £3,333/m²
  • 150 m² = 1,615 sq ft
  • £500,000 ÷ 1,615 = £310/sq ft

Property B: £450,000 for 1,200 sq ft

  • £450,000 ÷ 1,200 = £375/sq ft
  • 1,200 sq ft = 111 m²
  • £450,000 ÷ 111 = £4,054/m²

Property A offers better value per square foot/metre

Average new-build home sizes in the UK:

YearAverage Size m²In sq ft
1930s100+ m²1,076+ sq ft
1970s92 m²990 sq ft
1990s85 m²915 sq ft
2010s76 m²818 sq ft
2020s79 m²850 sq ft

The UK has some of the smallest new-build homes in Europe, averaging 76-79 m² compared to Denmark's 137 m².

Estate Agent Measurements

UK estate agents typically measure:

  • Gross Internal Area (GIA): Total floor area including walls
  • Net Internal Area (NIA): Usable floor space
  • EPC floor area: For energy performance certificates

Always check which measurement is being used when comparing properties.

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Conclusion

Key conversion facts:

  • 1 m² = 10.76 sq ft
  • 1 sq ft = 0.093 m²
  • Quick estimate: Multiply m² by 11 for sq ft
  • 100 sq ft ≈ 9.3 m²
  • 1,000 sq ft ≈ 93 m²

Whether you're house hunting, laying flooring, or comparing properties, these conversions will help you work confidently with both measurement systems.

Understanding the Conversion Factor: Why 10.764?

The conversion factor of 10.764 between square metres and square feet comes from the linear relationship between metres and feet. One metre equals 3.28084 feet. When you square that figure (3.28084 x 3.28084), you get 10.764, which is the number of square feet in a single square metre. This mathematical relationship is fixed and precise, making it reliable for all area conversion calculations regardless of the shape being measured.

It is worth noting that when converting area measurements, you cannot simply multiply or divide by the linear conversion factor. A common mistake is to assume that because 1 metre equals roughly 3.28 feet, 1 square metre equals roughly 3.28 square feet. In reality, because you are dealing with two dimensions (length and width), the factor must be squared, giving the much larger figure of 10.764.

UK Property Market Context: Square Metres vs Square Feet

The UK property market sits at an interesting crossroads between the metric and imperial systems. Under the Property Misdescriptions Act and subsequent Consumer Protection from Unfair Trading Regulations 2008, estate agents are required to provide accurate measurements, but there is no legal requirement to use one system over the other. In practice, most estate agents in England and Wales list properties using square feet, while Energy Performance Certificates (EPCs) and new-build specifications almost always use square metres.

Scotland has its own conventions, with many property listings using square metres as standard, partly due to the influence of European measurement practices and the Scottish legal system's own property frameworks. When browsing property portals such as Rightmove or Zoopla, you will encounter both units, so the ability to convert between them is genuinely practical.

New-build homes in the UK are designed and built using metric measurements. Architects, structural engineers, and building control inspectors all work in metres and square metres. The Nationally Described Space Standard (NDSS), introduced by the Department for Levelling Up, Housing and Communities, sets minimum floor areas for new dwellings entirely in square metres. For example, a one-bedroom, one-person flat must be at least 39 square metres (420 square feet), while a three-bedroom, five-person house spread over two storeys must be at least 93 square metres (1,001 square feet).

Common Room Sizes in Both Units

When planning a home renovation or assessing whether furniture will fit, it helps to know typical room dimensions in both measurement systems. Below is a practical guide to what you can expect in average UK homes:

  • Single garage: approximately 15 square metres (162 square feet), typically 3m x 5m
  • Double garage: approximately 30 square metres (323 square feet), typically 6m x 5m
  • Home office: a comfortable home office needs at least 7 square metres (75 square feet) to accommodate a desk, chair, and storage
  • Utility room: typically 4 to 6 square metres (43 to 65 square feet) in modern homes
  • Open-plan kitchen-diner: in many new-builds, these range from 20 to 35 square metres (215 to 377 square feet)
  • Hallway and landing: these often account for 8 to 12 per cent of a home's total floor area

Understanding these sizes can help you judge whether a property listing offers genuinely spacious rooms or whether the total square footage has been padded by including circulation areas like hallways and landings.

Practical Tips for Measuring Your Own Space

If you need to measure a room yourself, use a laser distance measurer for accuracy. Measure the length and width of the room at floor level, and multiply them together to get the area in square metres. For L-shaped rooms, divide the space into two rectangles, calculate each area separately, and add them together. Remember that alcoves, bay windows, and built-in wardrobes may or may not be included depending on how the measurement is taken, so always clarify which standard is being used when comparing properties.

Frequently Asked Questions

Why do UK estate agents use square feet when the UK is officially metric?

Although the UK adopted the metric system for most official purposes, property sales have traditionally used imperial measurements. Many buyers are more familiar with square feet from decades of property listings, and estate agents have continued the practice because it is what the market expects. However, EPCs, planning documents, and building regulations all use square metres, so both systems remain in active use across the UK property sector.

How do I calculate the cost per square metre or square foot of a property?

Divide the property's asking price by its total floor area. For example, if a house is listed at 350,000 pounds and measures 100 square metres, the cost is 3,500 pounds per square metre (or approximately 325 pounds per square foot). This metric allows you to make fair comparisons between properties of different sizes and in different locations, giving you a clearer picture of relative value.

What is the minimum floor area for a new-build home in the UK?

The Nationally Described Space Standard sets minimum internal floor areas for new dwellings in England. A one-bedroom flat for one person must be at least 37 square metres (398 square feet) as a single-storey dwelling. For houses, the minimums increase with the number of bedrooms and occupants. Not all local authorities have adopted these standards in their planning policies, so requirements may vary by council area. Scotland, Wales, and Northern Ireland have their own separate space standard guidelines.

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Emma Thompson

Emma Thompson

Senior Content Editor

Emma is a senior content editor with a background in financial journalism. She specialises in making UK regulations and calculator tools understandable for consumers, working closely with qualified professionals to ensure accuracy.

UK Property Area Measurements and Regulations

Property area measurement in the United Kingdom is governed by the Royal Institution of Chartered Surveyors (RICS) Code of Measuring Practice. This standard defines how floor areas should be calculated for residential and commercial properties. Gross Internal Area (GIA) includes all internal space within the external walls, while Net Internal Area (NIA) excludes common areas, stairwells, and structural walls. UK estate agents typically quote residential property sizes in square feet, while commercial lettings increasingly use square metres, creating a frequent need for conversion between the two systems.

Since 2016, estate agents in England have been required to quote the total floor area of a property in their listings, following a recommendation from the Royal Institution of Chartered Surveyors. However, there is no legal requirement specifying which unit of measurement must be used, and many agents quote in square feet because British buyers are more familiar with this unit for residential property. The Energy Performance Certificate (EPC), which is mandatory for all properties sold or rented in England and Wales, records the total floor area in square metres, meaning that most UK properties have an official metric measurement available even if the estate agent advertises in imperial units.

Planning permission in the UK uses square metres exclusively. The General Permitted Development Order (GPDO) sets size limits for extensions and outbuildings in square metres. For example, a single-storey rear extension on a detached house can extend up to 8 metres under permitted development rights, and the total area of outbuildings must not exceed 50 percent of the garden area. Homeowners accustomed to thinking in square feet must convert these metric thresholds accurately to ensure their building projects comply with planning regulations and avoid costly enforcement action from the local authority.

Practical Tips for Area Conversions

More Questions About Square Metres and Square Feet

Do UK estate agents have to show property size in their listings?
While RICS recommends that estate agents include property size in all listings, it is not a strict legal requirement in England and Wales. However, most reputable agents now include floor area measurements, and major property portals like Rightmove and Zoopla encourage it. Scotland has stricter rules: the Home Report, which is mandatory for all property sales in Scotland, must include a measured survey with floor areas in square metres. Omitting size information can deter buyers and reduce the competitiveness of a listing.
What is the average UK house size in square metres?
According to research by the LABC (Local Authority Building Control), the average new-build house in England is approximately 76 square metres (818 square feet), making UK homes among the smallest in Europe. By comparison, the average new home in Denmark is around 137 square metres and in the Netherlands approximately 106 square metres. Existing UK housing stock varies widely, with pre-war homes tending to be larger. The Nationally Described Space Standard (NDSS), introduced in 2015, recommends minimum sizes for new dwellings but adoption by local authorities is voluntary.
How do I measure my room in square metres accurately?
Use a tape measure or laser distance measurer to find the length and width of the room in metres, then multiply them together. For L-shaped rooms, divide the space into two rectangles, calculate each area separately, and add them together. Measure at floor level and note any alcoves, chimney breasts, or bay windows that affect the total area. For the most accurate measurement, take readings at three points along each wall and use the average, as older UK properties often have walls that are not perfectly parallel.