The Complete Guide to Area Conversion
Whether you are buying a plot in Lahore, comparing a condo listing in New York, or reading a land survey from a village in Nepal, area is rarely reported in a unit you actually think in. Real estate listings, government land records, construction drawings, and international property portals each default to whatever unit is standard where they were produced — square feet in the United States, square meters almost everywhere else, marla and kanal across Pakistan and parts of India, bigha and katha in Bengal and Bangladesh, and acres in rural land deeds around the world. This Area Converter exists to remove that friction. Type a number once, and see it expressed correctly in every unit you might need, at the same time, with no page reload and no guesswork.
Why area units are so inconsistent
Length units eventually settled around the metre and the foot, but area units carry centuries of local history. Before national surveying systems existed, a "unit of land" was often defined by how much a farmer could plough in a day, how much seed a plot required, or how a ruler divided territory for taxation. That is why a bigha in West Bengal is not the same size as a bigha in Uttar Pradesh, and why a marla, though standardized at 272.25 square feet across Pakistan and Punjab, still gets colloquially rounded differently from town to town. Metric and imperial units are precise and internationally agreed upon; regional land units are practical, historical, and require context. This tool uses the most widely accepted standard value for every regional unit and flags the ones that vary so you always know when to double-check with local land records.
How this converter calculates results
Every unit in the database is defined once, as a conversion factor into square meters — the metric base unit for area. When you convert 5 marla to square feet, the tool first turns 5 marla into square meters, then turns that figure into square feet. This two-step approach, rather than storing a separate factor for every possible pair of units, is what lets the tool support dozens of units without accumulating rounding errors or maintenance headaches. The same architecture powers the simultaneous multi-unit results panel, the conversion table, and the downloadable report, so every number you see on the page is generated from a single, consistent source of truth.
Metric area units explained
The square meter is the SI-derived unit for area and the anchor for everything metric. A square centimeter is one ten-thousandth of a square meter, useful for small material samples. A hectare, equal to 10,000 square meters, is the standard unit for agricultural land almost everywhere outside the United States. A square kilometer, equal to one million square meters, is used for cities, districts, and large tracts of land. The "are," equal to 100 square meters, is less common today but still appears in older European land records.
Imperial and US customary units explained
The square foot is the everyday unit for residential real estate in the United States, Canada, and increasingly in South Asian marketing materials aimed at overseas buyers. The square yard, nine square feet, is common in construction quotations and fabric-adjacent trades like flooring and carpeting. The acre, at 43,560 square feet, remains the standard for agricultural and large residential plots across the US, UK, and much of the former British Empire. Rarer imperial units like the rood, perch, chain, and section survive mainly in historical deeds, surveying documents, and legal descriptions of rural land in the US, UK, Australia, and Ireland.
Marla and Kanal: Pakistan's everyday land units
In Pakistan and much of Punjab, residential plots are almost always advertised in marla, with larger agricultural or estate-sized land measured in kanal. One marla is standardized at 272.25 square feet, and one kanal equals 20 marla, or roughly 5,445 square feet — about an eighth of an acre. A "10 marla house" or a "1 kanal plot" are two of the most searched real estate terms in Pakistan, which is why this converter treats the Pakistan region preset as a first-class citizen rather than an afterthought.
Bigha, Katha, Guntha, Cent, and Ground: South Asian land units
India, Bangladesh, and Nepal each use their own blend of traditional land units, and the same unit name can carry different values across states. A bigha in this tool uses the widely cited standard of roughly 1,338.24 square meters (close to 1,600 square yards), and a katha is set at one-twentieth of that bigha. Guntha, common in Maharashtra and Karnataka, equals one-fortieth of an acre. Cent and decimal, both equal to one-hundredth of an acre, are the everyday units for small residential plots in Kerala, Tamil Nadu, and Bangladesh. Ground, used almost exclusively in Tamil Nadu, particularly Chennai, is fixed at 2,400 square feet. Because these units vary by state and even by district, always confirm the locally applicable value against your state's land revenue department before finalizing a legal transaction — this tool gives you the standard reference value, not a substitute for a registered surveyor.
Ropani, Aana, Jerib, and other regional units
Nepal's hill regions use ropani and its subdivision aana for both agricultural and residential land, particularly around Kathmandu. Afghanistan and parts of Central Asia use the jerib, roughly 2,000 square meters. Egypt and Sudan use the feddan for agricultural land. The Levant and parts of the Middle East use the dunam, standardized at 1,000 square meters under the metric dunam definition used in Israel, Jordan, and Turkey (note that the older Ottoman dunam differs slightly). East Asian markets bring their own conventions: Japan and Taiwan use the tsubo and ping (both about 3.3 square meters, historically the area of two tatami mats), Thailand uses the rai (1,600 square meters), and China uses the mu (about 666.67 square meters).
Real estate use cases
Property buyers comparing an overseas listing to a local one need area conversion just as often as currency conversion. A 2,000 square foot apartment in Dubai and a 185 square meter apartment in Berlin are the same size — this tool confirms that in one keystroke. Real estate agents preparing brochures for cross-border buyers can convert an entire portfolio's listed sizes into the buyer's home unit before a call. Land surveyors and architects checking a client's understanding of a plot size can pull up the conversion table instantly instead of relying on memorized ratios that are easy to get slightly wrong when working across many unit systems in the same week.
Construction and interior design use cases
Flooring, tiling, and paint contractors often quote materials per square foot or square meter depending on the country, while the client thinks in square yards or marla. Getting this conversion wrong by even a small margin on a large project can mean ordering the wrong quantity of material. Because the tool updates results as you type, a contractor can sanity-check a quote on-site from a phone without needing a data connection once the page has loaded, since everything runs in the browser with no server round-trip.
Agriculture and land record use cases
Farmers and land record officials frequently need to reconcile old revenue records, which are commonly kept in bigha, katha, kanal, or acre, with modern GIS systems that store everything in square meters or hectares. This converter's region presets are built specifically to shortcut that reconciliation: choose "Pakistan," "India," "Bangladesh," "Nepal," "Sri Lanka," or "Middle East," and the results panel immediately reorders itself to surface the units that matter for that region first.
Tips for accurate conversions
- Always confirm which regional definition of a unit applies to your specific state, district, or country before using a converted figure in a legal document.
- When converting very large areas (square kilometers, townships, sections), double-check the number of decimal places you need — small percentage errors become large absolute errors at scale.
- For property comparisons across countries, convert both listings to the same neutral unit, typically square meters, rather than converting one directly into the other's unit.
- Keep in mind that "carpet area," "built-up area," and "super built-up area" are different real estate measurement concepts from raw area conversion — this tool converts the number you give it, not the measurement methodology.
Frequently confused conversions
Two conversions generate the most search traffic and the most confusion: square feet to square meters, and marla to square feet. One square foot equals 0.09290304 square meters, so a 1,000 square foot apartment is about 92.9 square meters. One marla equals 272.25 square feet, so a 5 marla house is 1,361.25 square feet, and a 10 marla house is 2,722.5 square feet. A full kanal, at 20 marla, works out to roughly 5,445 square feet or about 605 square yards.
How to use this tool
- Type your area value into the input field.
- Choose the unit you are converting from.
- Choose the unit you want to convert to, or use the search box to filter the list.
- Read the primary result instantly, along with a panel of the most relevant simultaneous conversions.
- Copy, share, print, or download the result as a PDF report for records or client communication.