đź“Ź Area Converter
Convert any area value between imperial and metric units in a single step.
Pick your starting area unit, enter a value, and choose the target unit. The converter responds instantly and shows alternate conversions to other popular units.
Enter any non-negative number.
1 Square Feet (ft²) equals
0.000023 Acres (ac)
Popular Conversions
Square Feet (ft²)
1
Square Meters (m²)
0.09
Hectares (ha)
0.000009
Square Yards (yd²)
0.111
Square Inches (in²)
144
Square Centimeters (cm²)
929.03
Square Millimeters (mm²)
92,903
Square Kilometers (km²)
0.00000009
Square Miles (mi²)
0.00000004
Cents (cent)
0.002296
Gaj (gaz)
0.1111
Katha (Bangladesh standard)
0.0014
How to Use This Calculator
Enter the known area
Type the area amount you want to convert. Decimal values are supported for precision.
Choose the starting unit
Select the unit that matches your input (for example square feet, acres, or square meters).
Pick the destination unit
Choose the target unit. The converter immediately displays the converted value and other helpful equivalents.
Formula
1 acre = 43,560 ft² = 4,046.8564224 m² = 0.40468564224 ha = 4,840 yd² = 0.0015625 mi²
Converted Value = Input Value Ă— (Conversion Factor from source to square meters) Ă· (Conversion factor from target to square meters)
The calculator uses square meters as the internal base unit to guarantee consistent results between imperial and metric systems.
Use the formula breakdown to confirm the calculation logic or perform the conversion manually if needed.
Full Description
This interactive area converter helps real-estate professionals, surveyors, contractors, and students move between different unit systems without memorising conversion tables. The tool relies on square meters as the internal base, applying precise constants for each unit so that chained conversions always remain accurate.
Whether you're comparing international property listings, translating a site plan, or verifying zoning requirements, you can upgrade the starting unit and instantly see the results in acres, hectares, square kilometers, square feet, or square yards. The additional quick conversion cards save time when you want to reference more than one target unit.
For planning purposes, pair the converter with land cost data, building codes, or crop yield tables to ensure that your projects align with the available space.
Frequently Asked Questions
Which area units are supported?
The converter includes square feet, square meters, acres, hectares, square yards, square inches, square kilometers, and square miles. Additional units can be added in future updates if needed.
Are the conversion factors precise enough for professional use?
Yes. The constants match international standards, and results maintain up to eight decimal places internally. Displayed values are rounded for readability but retain precision.
Can I copy the results into another tool?
Absolutely. Simply highlight the output value and copy it. The converter updates live, so paste the value into spreadsheets, CAD software, or project documents as needed.
How do I convert irregular shapes?
Calculate the area of each sub-shape separately, convert them using this tool, and add the totals. For complex parcels, import GIS data or survey measurements to compute the accurate area first.