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Choose the location first

Free land units calculators

Convert common and regional Indian land units. Choose the location so the calculator can show the right factor and warning.

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Recommended starting point

Indian Land Area Converter

Start here for standard units or when you have a verified local factor.

Start here
A simple decision path

From location to the correct conversion factor

  1. Choose the question that matches your decision.
  2. Replace every example with a label, bill, drawing, product sheet or record value.
  3. Open the formula and check all hidden assumptions.
  4. Save or print the result, then verify the final decision.
Which tool should I use?

Match your question to a calculator

Convert standard area unitsLand area converter Convert Katha with state contextKatha to square feet Convert Bigha with state contextBigha to acre Convert DecimalDecimal to square feet Check documented factorsLand-unit dataset
Know before you calculate

Three things to check first

Learn the terms, follow the method, then avoid the most common mistakes.

01
Common terminology

Words you will see

Standard unit
a unit with a fixed conversion relationship.
Regional unit
a name whose area can change by location.
Local factor
the square-foot value verified for a specific record.
02
Worked example

How the logic flows

A regional conversion first multiplies by the displayed square-foot factor, then divides by the target unit’s square-foot factor.

03
Beginner mistakes

Check these first

  • Copying a factor without checking the state or district.

  • Assuming every listed state has a supported factor.

  • Using an online result as proof of title or boundary.

Detailed guides

Learn the method

Read the land-unit guide Understand why Bigha varies Check West Bengal Katha context Open the factor dataset Browse every guide
Answers with location context

Choose the state and unit

Each page gives the available factor, its evidence status, a static table and the official land-record link. Missing places need a verified local factor.

West Bengal KathaAssam KathaBihar KatthaJharkhand KathaRajasthan BighaHaryana KanalPunjab MarlaKarnataka GunthaMaharashtra GunthaKerala CentTamil Nadu CentAndhra Pradesh CentTelangana Guntha
Official verification links

Land records and area measurement

These independent government and standards resources help you verify the inputs or decision. Inclusion is not an endorsement.

Digital India Land Records Modernization ProgrammeDepartment of Land Resources, Government of IndiaUnderstand how land records are administered and digitised across states and territories.Open official resource State and UT land-record digitisation dashboardDepartment of Land Resources, Government of IndiaReview state-level Record of Rights availability and digitisation progress on the current DILRMP dashboard.Open official resource Andhra Pradesh Mee BhoomiGovernment of Andhra PradeshCheck Andhra Pradesh land-record services and the parcel’s recorded area.Open official resource Bihar BhoomiGovernment of BiharCheck Bihar land records and local measurement context.Open official resource Chhattisgarh BhuiyanGovernment of ChhattisgarhCheck Chhattisgarh land records and parcel details.Open official resource Goa land-record servicesDirectorate of Settlement and Land Records, Government of GoaUse Goa’s official settlement and land-record services.Open official resource
Browse all 72 verified links
All tools

Choose a calculator

Working shownLand UnitsLand Area Converter

standard and verified regional land units

Open calculator Working shownLand UnitsKatha to Square Feet Calculator

Katha, Cottah or Kattha to square feet

Open calculator Working shownLand UnitsBigha to Acre Calculator

Bigha to acres with state context

Open calculator Working shownLand UnitsDecimal to Square Feet Calculator

Decimal to square feet

Open calculator Working shownLand UnitsGuntha to Square Feet Calculator

Guntha to square feet

Open calculator Working shownLand UnitsCent to Square Feet Calculator

Cent to square feet

Open calculator Working shownLand UnitsKanal to Marla Calculator

Kanal to Marla

Open calculator Working shownLand UnitsGround to Square Feet Calculator

Ground to square feet

Open calculator Working shownLand UnitsGaj to Square Feet Calculator

Gaj to square feet

Open calculator
Two-minute explanation

The unit name alone is not enough

Standard units have fixed relationships. Regional units can change by place, so choose the state and check the factor against your official record.

Common questions

Before you calculate

Why does one Bigha vary?

Bigha is a regional name whose area can differ by state, district or historical settlement system. The location and displayed factor are part of the answer.

When should I use a custom factor?

Use a custom factor only when a deed, survey record or relevant local land-record office confirms the value for that exact location.

Which record is legally authoritative?

The registered deed, current official land record and authorised survey process take precedence over an online conversion table.