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Area & Land Converter — All Units with Formulas

Convert between 10 area & land units in one place — Square Meter, Square Kilometer, Square Foot, Square Yard, Acre, Hectare and more. Results update as you type.

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All area & land units explained

UnitSymbolValue in Square MeterDescription
Square Meterm²1 m²A square meter is the SI unit of area: a square with 1 meter sides. It is used in official surveys and international property listings.
Square Kilometerkm²1,000,000 m²A square kilometer equals 1,000,000 m², used for the area of cities, districts and countries.
Square Footft²0.09290304 m²A square foot is the area of a square with 1-foot sides. Flats and apartments in Dhaka are priced per square foot.
Square Yardyd²0.83612736 m²A square yard equals 9 square feet, used for carpets and some land records.
Acreac4,046.86 m²An acre equals 43,560 square feet or 100 decimal. It is used for agricultural land in Bangladesh, India, the UK and the US.
Hectareha10,000 m²A hectare equals 10,000 m² (about 2.471 acres) and is the standard metric unit for farmland and forests.
Decimal (Shotok)dec40.46856422 m²A decimal, called shotok (শতক/শতাংশ) in Bangla, is 1/100 of an acre, or 435.6 square feet. It is the most common unit in Bangladeshi land deeds.
Kathakatha66.8901888 m²A katha (কাঠা) is a traditional land unit. The standard katha used in Dhaka equals 720 square feet, or about 1.65 decimal. Values can differ by region.
Bighabigha1,337.8 m²A bigha (বিঘা) equals 20 katha. The standard bigha in Bangladesh is 14,400 square feet, or about 33 decimal. Local values may vary.
Ojutangshoojut0.4046856422 m²Ojutangsho (অযুতাংশ) is 1/100 of a decimal (about 4.356 sq ft), used for very precise land measurements in Bangladesh.

Popular area & land conversions

Each conversion below has its own page with a formula, worked example and table.

When do you need a area & land converter?

Area & land conversions are used for buying and selling land, flats, deed (dolil) records, construction planning and farming. Different countries and industries use different units, so a reliable converter prevents costly mistakes.

Frequently asked questions

Which area & land units are supported?

Square Meter (m²), Square Kilometer (km²), Square Foot (ft²), Square Yard (yd²), Acre (ac), Hectare (ha), Decimal (Shotok) (dec), Katha (katha), Bigha (bigha), Ojutangsho (ojut).

Is the converter free?

Yes, completely free with no limits, and it works offline once loaded.

How accurate are the results?

Conversions use exact standard factors with full double-precision arithmetic.