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Area Converter

Convert any area measurement between metric, imperial, and advanced units. Toggle “Advanced Mode” for extra options.

Enter Area to Convert

Show additional units (square mile, square rod, barn, etc.).

Conversion Result

Converted Value: -

Overview

An area converter is essential for architects, engineers, landscapers, or anyone working with floor plans, land plots, or scientific data. This tool converts between common area units—square millimeters, square centimeters, square meters, square kilometers, square inches, square feet, square yards, acres, hectares—and, in Advanced Mode, square miles, square rods, square chains, barns, etc. Simply toggle “Advanced Mode” to reveal additional units, select your source and target units, enter a numeric value, and click “Convert” for instant, precise results.

No registration is required; it works seamlessly on desktop and mobile devices. Data is accurate to six decimal places using international standard factors (1 acre = 4046.85642 m², 1 hectare = 10 000 m², 1 barn = 1e−28 m², etc.).

Formula & Methodology

Conversions are performed by first converting the input value to square meters (m²), then converting that intermediate result into the desired target unit. Example: to convert 100 square feet to acres:

  1. Convert 100 ft² → m²: $$100 \times 0.09290304 \; (\text{m² per ft²}) = 9.290304\;\text{m²}.$$
  2. Convert 9.290304 m² → acres: $$9.290304 \div 4046.85642 \; (\text{m² per acre}) \approx 0.002296\;\text{acre}.$$

All conversion factors reference authoritative sources: • 1 in² = 0.00064516 m² • 1 ft² = 0.09290304 m² • 1 yd² = 0.83612736 m² • 1 mi² = 2.589988110336e6 m² • 1 acre = 4046.85642 m² • 1 hectare = 10000 m² • 1 square rod = 25.29285264 m² • 1 square chain = 404.68564224 m² • 1 barn = 1e−28 m²

Examples

  • Convert 100 square feet to square meters:
    $$100 \times 0.09290304 = 9.290304 \;\text{m²}.$$
  • Convert 2 acres to square kilometers:
    $$2 \times 4046.85642 = 8093.71284 \;\text{m²},$$ then $$8093.71284 \div 1e6 = 0.008094 \;\text{km²}.$$
  • Convert 5000 square centimeters to square inches:
    $$5000 \times 0.0001 = 0.5 \;\text{m²},$$ $$0.5 \div 0.00064516 \approx 774.19685 \;\text{in²}.$$
  • Convert 1 square mile to acres:
    $$1 \times 2.589988110336e6 = 2,589,988.110336 \;\text{m²},$$ $$2,589,988.110336 \div 4046.85642 \approx 640 \;\text{acre}.$$
  • Convert 10 square rods to square meters:
    $$10 \times 25.29285264 = 252.9285264 \;\text{m²}.$$

Frequently Asked Questions

Which basic units can I convert?

This converter supports: square millimeters (mm²), square centimeters (cm²), square meters (m²), square kilometers (km²), square inches (in²), square feet (ft²), square yards (yd²), acres, hectares.

Which advanced units are available?

In Advanced Mode, you’ll see: square miles (mi²), square rods (rd²), square chains (ch²), barns (b), and more. Toggle “Advanced Mode” to display or hide these.

Are the conversion results precise?

Yes, all factors use internationally recognized constants. Results are shown to six decimal places; you may round as needed for your application.

Why would I need Advanced Mode?

Advanced units are useful for surveying, astronomy (barn), land‐measurement (square rod, chain), or historical research. Leave it unchecked to keep the interface simple with core units.

Can I use this on any device?

Absolutely. The page is fully responsive. Just open it in your mobile or tablet browser and use it directly—no installation or registration required.