What is a Square Foot?

The square foot is an imperial unit of area equal to the area of a square with sides of exactly one foot (0.0929 m²).

What is a Square Decimeter?

The square decimeter is a metric unit of area equal to 0.01 square meters, or 100 square centimeters.

Where is Square Foot used in everyday life?

Home and apartment sizes, office space, flooring calculations, carpet area, and construction specifications.

What are common mistakes when converting Square Foot?

Incorrectly converting: 1 m ≈ 3.28 ft, but 1 m² ≈ 10.76 ft² (not 3.28). You must square the factor.

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23 units available

9 categories total

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"1" Square Foot

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Square Foot (ft²)

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Square Meter(m²)Copy Answer
Square Kilometer(km²)Copy Answer
Square Hectometer(hm²)Copy Answer
Square Dekameter(dam²)Copy Answer
Square Decimeter(dm²)Copy Answer
Square Centimeter(cm²)Copy Answer
Square Millimeter(mm²)Copy Answer
Square Micrometer(µm²)Copy Answer
Square Nanometer(nm²)Copy Answer
Are(a)Copy Answer
Hectare(ha)Copy Answer
Square Inch(in²)Copy Answer
Square Yard(yd²)Copy Answer
Square Mile(mi²)Copy Answer
Acre(ac)Copy Answer
Acre (US Survey)(ac (US))Copy Answer
Square Foot (US Survey)(ft² (US))Copy Answer
Square Mile (US Survey)(mi² (US))Copy Answer
Barn(b)Copy Answer
Circular Inch(circ in)Copy Answer
Section(section)Copy Answer
Township(township)Copy Answer

22 conversions shown

How to Convert Square Foot to Square Decimeter

To convert ft² to m²: multiply by 0.0929. To acres: divide by 43,560.

1 ft² = 144 in² = 0.0929 m² ≈ 929 cm². 9 ft² = 1 yd². 43,560 ft² = 1 acre.

For example, 1 Square Foot (ft²) = 9.290304 Square Decimeter (dm²).