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Bigha to Acre in Bihar

In Bihar, 1 bigha = 27,220 sq ft, which works out to approximately 0.625 acre — close to the UP value but not identical, which matters if you are comparing plots across the two states. This page locks the Bihar conversion so you get the right number immediately.

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Regional land units vary by state and even by local custom — confirm the value used in your area's land records before relying on it for a transaction.

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From a free tool to your own software

Software for property and land businesses

Land units change from state to state, and every conversion done by hand is a chance to misquote a plot. Developers, brokers and land consultants handling hundreds of listings need those numbers inside their own systems, on the listing, in the CRM and on the agreement, not in a browser tab.

  • Property listing portals

    Listings that show area in the buyer's own unit, gaj, bigha, katha or square feet, with state-aware conversion, map search and enquiry capture built in.

  • Broker and developer CRMs

    Track plots, site visits and follow-ups in one place, with area, rate per unit and total price calculated the same way on every deal.

  • Land-records digitisation

    Bring survey and ownership records into a searchable system, convert historic units consistently and flag mismatches before they reach a registry office.

  • Pricing calculators for your website

    An embeddable calculator that turns plot size and rate into a clear quote, so enquiries arrive with the numbers already worked out.

Who we build this for: Real-estate developers, brokers, land consultants and property portals across India.

This tool runs entirely in your browser. The team that built it designs custom software for businesses and runs DigiSign, our own signage platform, in production.

Plan a property platform Web & Mobile Applications

How to use this tool

  1. Enter the number of bigha

    The Bihar value is pre-selected — the default 1 bigha shows the base conversion.

  2. Read the acre value

    The result, an equivalents strip (sq ft, sq m, gaj) and a 1–10 reference table update instantly.

  3. Check the katha too

    In Bihar, 20 katha make 1 bigha — use our katha to square feet page if your land is quoted in katha instead.

Questions people ask

How many acres is 1 bigha in Bihar?

1 Bihar bigha = 27,220 sq ft ≈ 0.625 acre — very close to the UP value (0.62 acre) but not identical, which is why picking the right state matters for an exact figure.

How many katha in 1 bigha in Bihar?

20 katha make up 1 Bihar bigha, and each katha is 1,361 sq ft (1,361 × 20 = 27,220 sq ft, matching the bigha value).

How many bigha make 1 acre in Bihar?

About 1.6 Bihar bigha equal 1 acre — divide 43,560 sq ft by 27,220 sq ft to get this ratio.

Is the Bihar bigha value the same everywhere in the state?

27,220 sq ft is the value most widely cited for Bihar land records, but local district and even village-level custom has historically varied slightly — for a registry document, confirm with your local Anchal (revenue circle) office.

Why is Bihar bigha almost the same as UP bigha but not exact?

Both states derived their bigha from broadly similar pre-independence revenue-survey conventions, but each state's own settlement records fixed a slightly different square-footage — 27,000 for UP versus 27,220 for Bihar.

Is this converter free and does it work offline?

Yes — no login, no upload, and the page keeps working even without an internet connection once it has loaded.

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Who makes these tools

Free because it costs us nothing to run: your browser does the work, not our servers. Made by Dynamb Technologies — we build software for businesses.