Square Feet Converter
Convert square feet to square meters, yards, inches, acres, hectares, and square centimeters with this free area converter for real estate, construction, and land measurement.
About This Calculator
The Square Feet Converter is a versatile online tool that instantly converts square feet (sq ft) into six major area measurement units: square meters (m²), square yards (sq yd), square inches (sq in), acres, hectares (ha), and square centimeters (cm²). Whether you are a real estate professional, construction contractor, architect, student, or homeowner, this free converter helps you quickly translate square footage measurements across the customary and metric systems.
To convert, simply enter any value in square feet and the converter simultaneously computes the equivalent area in all supported units using the standard conversion formulas: 1 sq ft = 0.092903 m², 1 sq ft = 144 sq in, 1 sq ft = 1/9 sq yd, 1 sq ft = 1/43,560 acre, 1 sq ft = 0.0000092903 ha, and 1 sq ft = 929.03 cm². The tool uses precise conversion factors to ensure accurate results for real-world applications.
Regional Notes
India (IN): Square feet is the dominant unit for residential and commercial real estate transactions across India. Apartment sizes, plot areas, and office spaces are almost always advertised in square feet. Builders and brokers commonly use sq ft for pricing (price per sq ft).
United States (US): Square feet is the standard area measurement in the US customary system. Home listings, commercial leases, flooring projects, and construction plans all use square feet. The converter is essential for US professionals working with international clients or metric-system blueprints.
United Kingdom (UK): The UK uses a mix of square feet and square meters. Property listings often display both units — square feet for traditional preference and square meters for regulatory compliance. Estate agents, surveyors, and architects regularly convert between the two.
Common use cases include converting a 2,000 sq ft house to square meters for international comparison, calculating how many square yards of carpet are needed for a 500 sq ft room, converting land parcels from sq ft to acres for agricultural purposes, and translating construction blueprints from metric to imperial measurements.
The conversion factors used are based on the international standard definition where 1 foot = 0.3048 meters exactly, making all derived area conversions mathematically precise and consistent with global measurement standards.
Frequently Asked Questions
How many square meters are in a square foot?
One square foot equals 0.092903 square meters. To convert square feet to square meters, multiply the area in sq ft by 0.092903. For example, 100 sq ft × 0.092903 = 9.2903 m².
How many square inches are in a square foot?
There are exactly 144 square inches in one square foot. This comes from 1 foot = 12 inches, so a square measuring 1 ft × 1 ft equals 12 in × 12 in = 144 in².
How many square yards in a square foot?
One square foot equals 0.111111 square yards (1/9 of a square yard). Since 1 yard = 3 feet, a square yard is 3 ft × 3 ft = 9 sq ft, so 1 sq ft = 1/9 sq yd.
How do I convert square feet to acres?
Divide the area in square feet by 43,560 to get acres. One acre is defined as 43,560 square feet. For example, 10,000 sq ft ÷ 43,560 = 0.2296 acres.
How many square centimeters are in a square foot?
One square foot equals 929.03 square centimeters. This is derived from 1 foot = 30.48 cm, so a square foot is 30.48 cm × 30.48 cm = 929.03 cm².
Is this square feet converter free to use?
Yes, all calculators on Calculy including the Square Feet Converter are completely free to use with no limits or registration required.
What is a square foot used for?
Square feet is the standard area unit in the US customary system. It is commonly used for measuring homes, apartments, rooms, land parcels, flooring, and construction materials. In the UK, square feet is also widely used for property listings alongside square meters. In India, square feet is the most common unit for real estate transactions.