Area Converter

m², hectares, acres.

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Area Converter: what this tool is for

Converting two-dimensional area and land surface units is fundamental across real estate transactions, architectural floor planning, agricultural land management, and construction estimation: comparing price per square foot (sq ft) on US listings with European square meters (m²), sizing farmland parcels in acres and hectares, or ordering tile and hardwood flooring per square meter. Xorvian's Area Converter provides instant, mathematically exact conversions across 10 standardized surface units.

The tool supports 10 standardized area units: metric units including square millimeters (mm²), square centimeters (cm²), square meters (m², the SI fundamental unit), ares (a, 100 m²), hectares (ha, 10,000 m²), and square kilometers (km²), alongside imperial and US customary units including square feet (sq ft / ft²), square yards (sq yd / yd²), acres (ac), and square miles (sq mi / mi²).

Area conversion scales quadratically with linear dimensions ($A = L \times W$). Because 1 meter equals 100 centimeters, 1 square meter contains $100^2 = 10,000\text{ cm}^2$. Similarly, because 1 foot equals 0.3048 m, 1 square foot equals $0.3048^2 = 0.09290304\text{ m}^2$. The converter applies these exact quadratic factors with zero precision degradation.

Frequent area conversion mistakes include forgetting the squared factor (assuming 1 m² equals 100 cm² instead of 10,000 cm²), confusing acres (4,046.86 m²) with hectares (10,000 m²), or treating linear measurements as surface areas without accounting for width.

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    Nothing is saved on our servers, during or after processing.

  • Local processing

    The computation runs in your browser whenever the technology allows it.

  • Instant result

    No waiting and no export queue: the result appears live.

  • Free, no account

    No sign-up, no daily limit and no intrusive ads.

What this tool gives you

  • 10 Standard Metric & Imperial Units

    Convert seamlessly between mm², cm², m², ares, hectares, km², square feet (sq ft), square yards, acres, and square miles.

  • Legally Exact Geodetic Factors

    Built on international treaty definitions: 1 sq ft = 0.09290304 m² exact, 1 ha = 10,000 m² exact, and 1 acre = 4,046.8564224 m² exact.

  • Real-Time Multi-Unit Comparison Matrix

    View your converted area across all other 9 surface units simultaneously in a clean side-by-side comparative table.

  • Tailored for Real Estate, Architecture & Farming

    Instantly translate international property floorplans, agricultural parcel deeds, or commercial zoning plots.

  • Instant One-Click Swap

    Reverse source and target area units immediately with the bidirectional swap button without re-entering numbers.

  • Smooth Comma & Decimal Point Parsing

    Parses both periods and commas effortlessly for micro-machining tolerances as well as vast geographical territories.

Real-world examples

Official mathematical factors relative to the square meter and practical real-world area benchmarks:

Official Area Conversion Factors and Formulas (Relative to SI Square Meter)
Unit NameSymbolExact Value in m²Formula to Square Meters
Square Millimetermm²0.000001 m² (10⁻⁶ m²)m² = mm² × 0.000001 (or mm² / 1,000,000)
Square Centimetercm²0.0001 m² (10⁻⁴ m²)m² = cm² × 0.0001 (or cm² / 10,000)
Square Meter (SI Base)m²1.0 m² (SI Base)Fundamental metric area reference (1 m × 1 m)
Area100 m²m² = a × 100 (Square of 10 m side)
Hectareha10,000 m²m² = ha × 10,000 (100 ares = Square of 100 m side)
Square Kilometerkm²1,000,000 m²m² = km² × 1,000,000 (100 hectares)
Square Foot (Sq ft)ft²0.09290304 m²m² = ft² × 0.09290304 (1 m² ≈ 10.7639 ft²)
Square Yard (Sq yd)yd²0.83612736 m²m² = yd² × 0.83612736 (9 ft²)
Acreac4,046.8564224 m²m² = ac × 4,046.856 (43,560 ft² ≈ 0.4047 ha)
Square Mile (Sq mi)mi²2,589,988.110336 m²m² = mi² × 2,589,988.11 (640 acres ≈ 2.59 km²)
Practical Area Benchmarks and Land Equivalencies
Space / ReferenceSquare Meters (m²)Square Feet (sq ft)Land Equivalent
Urban Studio Apartment25 m²269.10 ft²0.25 are
3-Bedroom Family Apartment75 m²807.29 ft²0.75 are
Single-Family House150 m² floor area1,614.59 ft²1.50 are
Official Soccer / Football Pitch7,140 m² (105 × 68 m)76,854 ft²0.714 ha (1.76 acre)
1 Standard Agricultural Hectare10,000 m²107,639 ft²100 ares (2.471 acres)
1 Anglo-American Acre4,046.86 m²43,560 ft²40.47 ares (0.4047 ha)
City of Paris (Intramural)105.4 km² (105.4 × 10⁶ m²)1.135 × 10⁹ ft²10,540 ha (40.69 sq mi)

Real Estate Property Comparison (US vs. Europe)

A homebuyer reviews a Montreal condo listing advertising 1,150 square feet (sq ft). Converting 1,150 ft² to square meters yields 106.84 m², allowing direct comparison against standard European residential layouts.

Agricultural and Forestry Land Transactions

A legal land deed specifies the purchase of a 48,500 m² woodland plot. Converting m² to hectares gives 4.85 ha (4 hectares and 85 ares), enabling rapid verification against rural cadastral registries.

Floor Tiling and Renovation Estimations

A contractor calculates the materials needed for a 42 m² living room. Converting to square centimeters yields 420,000 cm², simplifying the calculation for 60 × 60 cm tiles (3,600 cm² each, requiring 117 tiles plus cuts).

Commercial Land Sizing in Acres

An investor evaluates a 5-acre commercial development parcel in the US. Converting acres to hectares gives 2.02 ha (20,234 m²), facilitating floor area ratio (FAR) and parking footprint calculations.

How to use Area Converter

  1. Enter the Area Value

    Type your number into the 'Value' field. Both decimals with periods (150.5) and commas (150,5) are parsed smoothly.

  2. Select the Source Unit

    Choose the unit your starting measurement is expressed in (e.g., Square Feet ft²) from the source selector.

  3. Select the Target Unit

    Choose the desired target unit (e.g., Square Meters m²) from the target selector.

  4. Swap Units with One Click

    Click the bidirectional arrow button to instantly invert source and destination area units.

  5. Copy the Converted Area

    The primary result updates instantly; click the copy icon to transfer the formatted answer directly to your clipboard.

  6. Check the Multi-Unit Comparison

    Review the dynamic multi-unit matrix beneath the output to see your surface area converted across all 9 other units simultaneously.

Tips and mistakes to avoid

Quick Mental Math: Square Feet to Square Meters

To quickly estimate sq ft in m²: divide by 10 and subtract roughly 7% from your answer (e.g., 1,000 sq ft / 10 = 100 − 7 = 93 m²; exact is 92.90 m²).

Rule of Thumb: 1 Hectare ≈ 2.47 Acres

1 hectare (10,000 m²) is approximately 2.47 acres. Conversely, 1 acre (4,046.86 m²) is roughly 40% of a hectare (0.405 ha).

Understanding the European 'Are'

1 are equals exactly 100 m² (a square of 10 m side). 100 ares make 1 hectare. A land plot of 15 ares measures 1,500 m².

Order Extra Flooring for Cut Waste

When ordering flooring or tiling materials by the square meter or square foot, always include a 5% to 10% safety overage for perimeter cuts.

Avoid : Multiplying by 100 Instead of 10,000 (m² to cm²)

Because 1 m = 100 cm, 1 m² = 100 × 100 = 10,000 cm². Multiplying by 100 results in a severe 100-fold underestimation.

Avoid : Confusing Acres and Hectares

1 hectare is 10,000 m², which is nearly 2.5 times larger than an acre (4,046.86 m²). Confusing them drastically distorts agricultural yield and land value estimates.

Avoid : Confusing Linear Feet with Square Feet

Linear feet measure 1D length, whereas square feet measure 2D area. To calculate square footage, length must always be multiplied by width.

Frequently asked questions

Answers to the questions people ask about Area Converter.

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Updated on August 2026. See all tools