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Square foot to Square metre

Exact answer: 1 ft² = 0.09290304 m² (exact defined factor)

Square foot and Square metre describe the same quantity from the Area family but come from different systems of units. The factor is defined exactly. Areas appear in land registers, property listings, construction drawings and technical datasheets.

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From1 ft²
Result0.092903 m²
Factor1 ft² = 0.09290304 m²
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 ft² = 0.092903 m²

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Common mistake

Area scales quadratically. A length factor is not automatically an area factor.

03Base unit: m²

1 ft² = 0.09290304 m². Then the value is converted through the base unit m² into Square metre.

Table

Square foot to Square metre
Square footSquare metre
10.092903
100.92903
504.645152
1009.290304
50046.45152
1,00092.90304

Formula

1 ft² = 0.09290304 m². Then the value is converted through the base unit m² into Square metre.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Related conversions

Hectare to Square metreha → m²AreaSquare metre to Hectarem² → haAreaAcre to Square metreacre → m²AreaSquare metre to Square centimetrem² → cm²Area

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Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources reviewed: September 2026. Area. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Square foot to Square metre?

1 ft² = 0.09290304 m²

Which formula does Square foot to Square metre use?

1 ft² = 0.09290304 m². Then the value is converted through the base unit m² into Square metre.

What is the most common mistake?

Area scales quadratically. A length factor is not automatically an area factor.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.