Converting Plot Units: Guntha, Cent, Acre & Sq Ft

Two "same-size" plots that aren't

A buyer comparing two listings side by side sees "3 guntha" in one and "5 cents" in the other, both priced attractively, both described by their respective brokers as "a good, spacious plot." Without converting either figure to a common unit, there's no way to know which plot is actually bigger, let alone which one offers better value per square foot. As it turns out, 3 guntha works out to roughly 3,267 square feet, while 5 cents comes to about 2,178 square feet — a difference of over 1,000 square feet, or more than 33% by area, hiding behind two numbers that sound roughly comparable on the surface.

This is not a rare, edge-case confusion. It is the default experience of buying land in India, where a landowner in Maharashtra thinks in guntha, a landowner in Tamil Nadu thinks in cents and grounds, a landowner in North India or Bengal thinks in bigha, and a landowner in Telangana or Andhra Pradesh might reference ankanam alongside the more universal acre. If you're comparing plots across even two neighbouring states — or just across two brokers who happen to use different conventions — you cannot judge a fair price per square foot until every listing is converted to the same base unit. This guide gives you the conversion factors, the state-by-state usage patterns, and a repeatable method so unit confusion never costs you money again.

Why India has so many land units in the first place

India's regional land units predate standardisation and largely trace back to local agricultural and revenue-administration practices under different pre-independence kingdoms, princely states, and colonial administrations. A "guntha" (from Marathi/Kannada agricultural measurement) and a "bigha" (used widely across North India and Bengal, but defined differently state to state) both originated as practical field-measurement units long before square feet became the default unit for urban real estate marketing. Because land records, revenue departments, and generational habit are slow to change, these units persisted even as cities urbanised around them — which is why a plot's registered deed in a given state will often still show its extent in the traditional regional unit, even when the same plot is marketed to buyers using square feet.

For a buyer, the practical consequence is simple: you cannot assume any unit's meaning carries across state lines, and in the case of bigha specifically, you cannot even assume it carries the same meaning within different districts of the same state without checking.

The core conversions every plot buyer should know

These are standard mathematical conversions, not market data, so they hold true everywhere the unit is used — with the singular exception of bigha, which varies materially by state and must always be confirmed locally.

• 1 acre = 43,560 square feet — the fixed, universal starting point for every other conversion.
• 1 acre = 40 guntha, so 1 guntha ≈ 1,089 square feet (43,560 ÷ 40).
• 1 acre = 100 cents, so 1 cent = 435.6 square feet (43,560 ÷ 100). Cents are widely used in Tamil Nadu and Kerala.
• 1 ground (Chennai/Tamil Nadu urban usage) = 2,400 square feet.
• 1 bigha varies by state — for example, commonly cited figures range from roughly 1,500–2,700 square feet in different states and even different districts within the same state (Uttar Pradesh, Bihar, West Bengal, Rajasthan, and others each apply their own local definition). Never use a generic "1 bigha = X sq ft" figure without confirming the specific state/district convention with a local revenue office or your DrawMagic conversion, which flags this variability.
• 1 hectare = 2.47 acres ≈ 107,639 square feet — the metric unit used in official land-records contexts and larger agricultural-to-residential land parcels.
• Ankanam (used in parts of Telangana and Andhra Pradesh) is a smaller traditional unit, roughly in the range of 72 square feet depending on local convention — again, best confirmed against local usage rather than assumed universally.

Master conversion table

Why price-per-unit comparisons across regions mislead you

Brokers and listing sites frequently advertise "price per cent" in Tamil Nadu, "price per guntha" in Maharashtra, and "price per acre" in agricultural-adjacent markets — each locally intuitive, but none directly comparable to the others without conversion. A plot priced at ₹8 lakh per cent in one city and ₹80 lakh per guntha in another cannot be compared at a glance; you have to convert both to a price per square foot (or per square metre) before any comparison means anything.

The same trap applies within a single city when brokers mix units to make a listing sound more attractive — quoting a smaller, cheaper-sounding unit count for a plot that a buyer might otherwise expect to see priced in a larger unit. The fix is always the same: convert everything to one common unit — square feet is the most broadly usable choice in Indian residential real estate — before comparing price.

Step-by-step: converting any unit using the plot-size converter

1. Note the unit and figure exactly as stated in the listing or deed — for example, "3 guntha 20 sq ft" or "5.5 cents."
2. Open DrawMagic's plot-size converter and enter the regional unit and quantity as given.
3. Read off the converted square feet (and square metre) figure, and note it directly against that listing in your own records rather than trusting memory.
4. Divide the total price by the converted square-foot figure to get a true price per square foot for that listing.
5. Repeat for every plot you're comparing, even ones already listed in square feet — this confirms the listing agent's own math and catches occasional rounding or unit errors in the original listing.
6. Save the converted figures against your shortlist in your DrawMagic property workspace, so every plot you're evaluating carries a consistent, comparable square-foot figure rather than the mixed regional units they were originally advertised in.

Geographic specifics: which unit shows up where

• Maharashtra and Karnataka — guntha is common in semi-urban and peripheral plot listings, especially for larger parcels that haven't yet been fully subdivided into small residential plots; acre remains standard for agricultural-adjacent land.
• Tamil Nadu and Kerala — cent is the dominant small-plot unit; Chennai specifically also uses "ground" (2,400 sq ft) as a customary urban unit, particularly in older, established neighbourhoods.
• Telangana and Andhra Pradesh — ankanam appears in older layouts and traditional records, though contemporary listings increasingly default to square feet or square yards for buyer convenience.
• North India, Bihar, and West Bengal — bigha and katha are common, but their exact square-footage varies not just by state but sometimes by district within a state; always confirm the local district convention rather than applying a national average.
• Nationwide — acre remains the standard reference for larger parcels and agricultural-to-residential conversions regardless of region, making it the most reliable cross-regional anchor unit alongside square feet.

Mini scenario: normalising three listings to a fair per-sq-ft price

A buyer relocating to a new city for work is comparing three plots shortlisted by different brokers: one listed at ₹42 lakh for "4 guntha," one at ₹38 lakh for "9 cents," and one at ₹50 lakh for "1,200 sq ft" (a smaller, plotted-development parcel). At first glance the guntha plot looks like the best deal on a per-unit basis, since "4" sounds like more than "9" is confusing and the sq ft figure looks smallest of all.

Converting all three to square feet: 4 guntha ≈ 4,356 sq ft, 9 cents ≈ 3,920 sq ft, and the third listing is already 1,200 sq ft. The price-per-square-foot works out to roughly ₹964/sq ft for the guntha plot, ₹969/sq ft for the cent plot, and ₹4,167/sq ft for the smaller plotted-development parcel — a dramatically different picture from what the raw unit counts suggested, and one that makes clear the first two plots (larger, semi-urban land) are priced in an entirely different tier from the smaller, more developed third listing. Only after this conversion could the buyer meaningfully weigh price against other factors like location, development stage, and infrastructure — exactly the kind of comparison DrawMagic's plot-size converter is built to make fast and repeatable.

Deed area vs surveyed (on-ground) area

Converting units correctly solves only half the measurement problem. The area stated in a sale deed — whatever unit it's expressed in — is not always what an independent, licensed surveyor will measure on the ground. Boundary encroachments, historical measurement errors, and even simple transcription mistakes across decades of deed transfers can produce a gap between "deed area" and "surveyed area." This gap matters more, not less, once you've correctly converted a deed's guntha or cent figure into square feet — a precise conversion of an inaccurate underlying number is still an inaccurate number.

Before finalising any plot purchase, commission an independent physical survey and compare its result against both the deed's stated area and your converted figure. If there's a material mismatch, resolve it with the seller and your advocate before registration — not after, when correcting a deed's stated extent becomes a far more complicated legal process.

Pro tips

• Always convert to square feet before comparing any two listings, even ones you feel confident interpreting mentally — brokers occasionally round or use imprecise regional-unit language.
• Treat bigha and katha figures as provisional until confirmed against the specific state/district convention; never assume a "standard" bigha applies nationwide.
• Note both the acre-equivalent and the exact converted square-foot figure for larger parcels, since agricultural-land pricing discussions often still happen in acres even when the eventual residential plot will be marketed in square feet.
• Cross-check the deed's stated unit against the same unit's local district usage — this is especially important for bigha, where neighbouring districts in the same state can define it differently.
• Use square metres as a secondary check if you're also comparing against apartment-pricing conventions, since built-up apartment pricing is frequently expressed per square foot but sometimes per square metre in older records.

Common mistakes to avoid

• Comparing raw unit counts ("3 guntha" vs "5 cents") without converting both to square feet first.
• Assuming a "standard" bigha figure applies across every state or district.
• Trusting only the deed's stated area without commissioning an independent on-ground survey.
• Mixing units mid-comparison — for example, converting one listing to square feet but leaving another in acres, making the mental comparison error-prone.
• Forgetting that ground (2,400 sq ft, Chennai) is a fixed unit, not a rough colloquial estimate.

How DrawMagic fits into this decision

Unit confusion is one of the most avoidable ways buyers misjudge a plot's real value, and DrawMagic's plot-size converter exists specifically to remove that friction — enter any regional unit and quantity, and get a reliable square-foot and square-metre equivalent to use in every subsequent comparison. Once your plots are converted to a common unit, DrawMagic's property shortlist lets you record the converted figure alongside each listing, so your comparison stays consistent even as you add more options over time. And once you've settled on a plot with a clear, converted area, DrawMagic's floor-plan tool helps you work out what home actually fits within that area once local setback rules and building bylaws are applied — turning a converted number into a concrete sense of the living space you'll actually get.

If you're just starting to explore plots and haven't yet settled on a city or locality, DrawMagic's buyer landing page is a good entry point into the platform's broader set of tools for comparing options with real numbers rather than regional-unit guesswork.

A quick word on cost

The plot-size converter, like all of DrawMagic's free tools, costs nothing to use — there's no reason to guess at a guntha-to-square-foot conversion by hand when a reliable calculator is one click away. DrawMagic's paid plans build on this with deeper shortlisting, comparison, and planning features once you're ready to move from browsing listings to actively evaluating specific plots.

Key takeaways

• India uses a dozen-plus regional land units — guntha, cent, ground, bigha, katha, ankanam, acre, hectare — and none of them can be compared directly without conversion.
• 1 acre = 43,560 sq ft is the fixed anchor: 1 guntha ≈ 1,089 sq ft (1 acre = 40 guntha), and 1 cent = 435.6 sq ft (1 acre = 100 cents).
• Bigha and katha vary materially by state and even by district — never apply a single national conversion figure without confirming local convention.
• Always convert every listing to a single common unit, ideally square feet, before comparing price per unit area across plots.
• Price-per-unit comparisons across regions (price per cent vs price per guntha) are meaningless without conversion — the same trap can appear even within one city if brokers mix units.
• Deed area and on-ground surveyed area can differ; always commission an independent survey before finalising a purchase, regardless of how precisely you've converted the deed's stated unit.
• DrawMagic's plot-size converter handles the conversion instantly and reliably, freeing you to focus on comparing location, price, and development stage instead of doing unit math by hand.
• Save converted figures against your shortlist so every plot you're evaluating carries a consistent, comparable area figure over time.

FAQ

Is 1 bigha always the same size? No. Bigha varies by state and sometimes by district within a state — commonly cited figures range widely, so you must confirm the specific local convention rather than relying on any single "standard" figure.

Which unit should I convert everything to for comparison? Square feet is the most broadly usable common unit across Indian residential real estate listings, making it the best default for comparing plots priced in different regional units.

Does the plot-size converter account for on-ground survey differences? No — it converts the unit and figure you enter into square feet/square metres accurately, but it cannot detect a mismatch between a deed's stated area and the actual surveyed area on the ground. That check requires an independent, licensed surveyor.

Convert any plot's unit instantly with DrawMagic's plot-size converter and compare every listing on a fair, common footing before you decide.