bigha-standard to katha-bihar | Exact Decimal + Formula

1 Bigha (Standard) = 20 Katha (Bihar)

One bigha equals exactly 20 kathas — a fixed ratio you can memorize. Real-world use: agricultural land measurement across india, nepal, and bangladesh (size varies by region). This page expresses those values in kathas, which is used for land records and property sales in bihar and jharkhand. Enter any value above — the result updates instantly, and a 1–1000 reference table follows below.

About Bigha (Standard) and Katha (Bihar)

Bigha (Standard) (bigha)

The standard bigha is a traditional South Asian land unit of about 27,225 square feet (2,529 square meters).

Where it's used: Agricultural land measurement across India, Nepal, and Bangladesh (size varies by region).

Katha (Bihar) (katha (Bihar))

A Bihar katha is 1,361.25 square feet (126.46 square meters), larger than the Bengal katha.

Where it's used: Land records and property sales in Bihar and Jharkhand.

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Precision

Formula

katha (Bihar) = bigha × 20

To convert Bigha (Standard) to Katha (Bihar), use the formula displayed above.

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Bigha (Standard) to Katha (Bihar): Quick Reference Table

Bigha (Standard)	Katha (Bihar) (Decimal)	Fraction	Real-world equivalent
0.001 bigha	0.02 katha (Bihar)	1/64 katha (Bihar)	fractional unit measurement
0.01 bigha	0.2 katha (Bihar)	13/64 katha (Bihar)	fractional unit measurement
0.1 bigha	2 katha (Bihar)	-	standard single unit scale
0.5 bigha	10 katha (Bihar)	-	multiple unit increments
1 bigha	20 katha (Bihar)	-	multiple unit increments
2 bigha	40 katha (Bihar)	-	multiple unit increments
5 bigha	100 katha (Bihar)	-	multiple unit increments
10 bigha	200 katha (Bihar)	-	multiple unit increments
25 bigha	500 katha (Bihar)	-	multiple unit increments
50 bigha	1000 katha (Bihar)	-	multiple unit increments
100 bigha	2000 katha (Bihar)	-	multiple unit increments
250 bigha	5000 katha (Bihar)	-	multiple unit increments
500 bigha	10000 katha (Bihar)	-	multiple unit increments
1000 bigha	20000 katha (Bihar)	-	multiple unit increments

bigha to katha (Bihar) Formula and Examples

Direct Formula katha (Bihar) = bigha × 20

Inverse Formula bigha = katha (Bihar) × 0.05

Mental Math Shortcut

Multiply the value by roughly 20 to calculate the equivalent amount in your head.

Common Bigha (Standard) to Katha (Bihar) Calculations

5 bigha = 100 katha (Bihar)
10 bigha = 200 katha (Bihar)
50 bigha = 1000 katha (Bihar)
100 bigha = 2000 katha (Bihar)
500 bigha = 10000 katha (Bihar)

Precision & Practical Use

For example, 10 bigha = 200 katha (Bihar) — roughly multiple unit increments.

Real-estate and construction figures are usually rounded to the nearest square foot or square meter. Keep 2–3 significant figures unless you're doing engineering takeoffs.

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How to Convert Bigha (Standard) to Katha (Bihar)

How many katha (bihar)s are in one bigha (standard)?

One Bigha (Standard) (bigha) equals 20 Katha (Bihar) (katha (Bihar)). To convert bigha (standard)s to katha (bihar)s, multiply the bigha (standard) value by 20.

How do I convert Bigha (Standard) to Katha (Bihar)?

Multiply your bigha (standard) value by 20 to get the result in Katha (Bihar): katha (Bihar) = bigha × 20. For example, 5 bigha = 100 katha (Bihar).

What is the formula for converting bigha to katha (Bihar)?

The conversion formula is katha (Bihar) = bigha × 20. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for bigha to katha (Bihar)?