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    Move from square millimeters to acres without misplacing zeros.

    Area Converter & Surface Reference

    Area conversions square the linear ratios, making them easy to miscalculate. This guide keeps the relationships visible and practical.

    Whether you are sizing floor plans, farmland, or map tiles, consistent area units avoid mispriced materials and misrepresented scope. Refer to the table to compare each unit with the base square meter.

    Base unit

    Square Meter (m²)

    Units covered

    10

    Popular conversions

    2

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    Conversion pair tiles

    Jump directly to any available converter for area converter & surface reference units.

    90 options
    mm² → cm²Square Millimeter to Square CentimeterView detailsmm² → in²Square Millimeter to Square InchView detailsmm² → ft²Square Millimeter to Square FootView detailsmm² → yd²Square Millimeter to Square YardView detailsmm² → m²Square Millimeter to Square MeterView detailsmm² → acreSquare Millimeter to AcreView detailsmm² → haSquare Millimeter to HectareView detailsmm² → km²Square Millimeter to Square KilometerView detailsmm² → mi²Square Millimeter to Square MileView detailscm² → mm²Square Centimeter to Square MillimeterView detailscm² → in²Square Centimeter to Square InchView detailscm² → ft²Square Centimeter to Square FootView detailscm² → yd²Square Centimeter to Square YardView detailscm² → m²Square Centimeter to Square MeterView detailscm² → acreSquare Centimeter to AcreView detailscm² → haSquare Centimeter to HectareView detailscm² → km²Square Centimeter to Square KilometerView detailscm² → mi²Square Centimeter to Square MileView detailsin² → mm²Square Inch to Square MillimeterView detailsin² → cm²Square Inch to Square CentimeterView detailsin² → ft²Square Inch to Square FootView detailsin² → yd²Square Inch to Square YardView detailsin² → m²Square Inch to Square MeterView detailsin² → acreSquare Inch to AcreView detailsin² → haSquare Inch to HectareView detailsin² → km²Square Inch to Square KilometerView detailsin² → mi²Square Inch to Square MileView detailsft² → mm²Square Foot to Square MillimeterView detailsft² → cm²Square Foot to Square CentimeterView detailsft² → in²Square Foot to Square InchView detailsft² → yd²Square Foot to Square YardView detailsft² → m²Square Foot to Square MeterView detailsft² → acreSquare Foot to AcreView detailsft² → haSquare Foot to HectareView detailsft² → km²Square Foot to Square KilometerView detailsft² → mi²Square Foot to Square MileView detailsyd² → mm²Square Yard to Square MillimeterView detailsyd² → cm²Square Yard to Square CentimeterView detailsyd² → in²Square Yard to Square InchView detailsyd² → ft²Square Yard to Square FootView detailsyd² → m²Square Yard to Square MeterView detailsyd² → acreSquare Yard to AcreView detailsyd² → haSquare Yard to HectareView detailsyd² → km²Square Yard to Square KilometerView detailsyd² → mi²Square Yard to Square MileView detailsm² → mm²Square Meter to Square MillimeterView detailsm² → cm²Square Meter to Square CentimeterView detailsm² → in²Square Meter to Square InchView detailsm² → ft²Square Meter to Square FootView detailsm² → yd²Square Meter to Square YardView detailsm² → acreSquare Meter to AcreView detailsm² → haSquare Meter to HectareView detailsm² → km²Square Meter to Square KilometerView detailsm² → mi²Square Meter to Square MileView detailsacre → mm²Acre to Square MillimeterView detailsacre → cm²Acre to Square CentimeterView detailsacre → in²Acre to Square InchView detailsacre → ft²Acre to Square FootView detailsacre → yd²Acre to Square YardView detailsacre → m²Acre to Square MeterView detailsacre → haAcre to HectareView detailsacre → km²Acre to Square KilometerView detailsacre → mi²Acre to Square MileView detailsha → mm²Hectare to Square MillimeterView detailsha → cm²Hectare to Square CentimeterView detailsha → in²Hectare to Square InchView detailsha → ft²Hectare to Square FootView detailsha → yd²Hectare to Square YardView detailsha → m²Hectare to Square MeterView detailsha → acreHectare to AcreView detailsha → km²Hectare to Square KilometerView detailsha → mi²Hectare to Square MileView detailskm² → mm²Square Kilometer to Square MillimeterView detailskm² → cm²Square Kilometer to Square CentimeterView detailskm² → in²Square Kilometer to Square InchView detailskm² → ft²Square Kilometer to Square FootView detailskm² → yd²Square Kilometer to Square YardView detailskm² → m²Square Kilometer to Square MeterView detailskm² → acreSquare Kilometer to AcreView detailskm² → haSquare Kilometer to HectareView detailskm² → mi²Square Kilometer to Square MileView detailsmi² → mm²Square Mile to Square MillimeterView detailsmi² → cm²Square Mile to Square CentimeterView detailsmi² → in²Square Mile to Square InchView detailsmi² → ft²Square Mile to Square FootView detailsmi² → yd²Square Mile to Square YardView detailsmi² → m²Square Mile to Square MeterView detailsmi² → acreSquare Mile to AcreView detailsmi² → haSquare Mile to HectareView detailsmi² → km²Square Mile to Square KilometerView details

    Unit breakdown

    Every unit below references the SI base value so you can compare readings quickly.

    UnitSymbol1 unit in m²Notes
    Square Millimetermm²1 mm² = 1.0000×10^-6 m²—
    Square Centimetercm²1 cm² = 0.0001 m²—
    Square Inchin²1 in² = 0.00064516 m²—
    Square Footft²1 ft² = 0.092903 m²—
    Square Yardyd²1 yd² = 0.836127 m²—
    Square Meterm²Reference unit—
    Acreacre1 acre = 4.05K m²—
    Hectareha1 ha = 10K m²—
    Square Kilometerkm²1 km² = 1.0000×10^+6 m²—
    Square Milemi²1 mi² = 2.5900×10^+6 m²—

    Popular conversions

    These presets mirror the quick actions available inside the SwapUnits converter.

    Launch converter
    ConversionExampleReference pageWhy it matters
    Square Meters to Square Feet1 m² = 10.7639 ft²OpenIdeal for quick checks inside the live converter.
    Acres to Square Meters1 acre = 4.05K m²OpenIdeal for quick checks inside the live converter.

    Frequently asked questions

    Why is area conversion trickier than length?

    Area magnifies the scaling factor because both width and height change. Doubling length multiplies area by four. Keep track of squared units to avoid underestimating materials.

    When is a hectare more useful than an acre?

    Hectares align with the metric system and are the standard in agriculture outside the US. They make percentage calculations easier for crop planning and reporting.

    What is a square kilometer used for?

    Square kilometers are ideal for mapping territory, city footprints, and large infrastructure projects. One square kilometer equals 100 hectares.

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