katha-bihar to dunam | Exact Decimal + Formula

1 Katha (Bihar) = 0.126464 Dunam (Metric)

One dunam equals about 7.91 kathas (exactly 7.907372207 katha (Bihar)). Real-world use: land records and property sales in bihar and jharkhand. This page expresses those values in dunams, which is used for land measurement in israel, palestine, turkey, and parts of the balkans. Use the calculator above, then check the reference table for common values from 0.001 to 1000.

About Katha (Bihar) and Dunam (Metric)

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.

Dunam (Metric) (dunam)

A dunam (metric) is exactly 1,000 square meters (0.1 hectare).

Where it's used: Land measurement in Israel, Palestine, Turkey, and parts of the Balkans.

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Precision

Formula

dunam = katha (Bihar) × 0.126464263

To convert Katha (Bihar) to Dunam (Metric), use the formula displayed above.

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Katha (Bihar) to Dunam (Metric): Quick Reference Table

Katha (Bihar)	Dunam (Metric) (Decimal)	Fraction	Real-world equivalent
0.001 katha (Bihar)	0.000126 dunam	-	fractional unit measurement
0.01 katha (Bihar)	0.001265 dunam	-	fractional unit measurement
0.1 katha (Bihar)	0.012646 dunam	1/64 dunam	fractional unit measurement
0.5 katha (Bihar)	0.063232 dunam	1/16 dunam	fractional unit measurement
1 katha (Bihar)	0.126464 dunam	1/8 dunam	fractional unit measurement
2 katha (Bihar)	0.252929 dunam	1/4 dunam	fractional unit measurement
5 katha (Bihar)	0.632321 dunam	5/8 dunam	fractional unit measurement
10 katha (Bihar)	1.264643 dunam	1 17/64 dunam	standard single unit scale
25 katha (Bihar)	3.161607 dunam	3 5/32 dunam	standard single unit scale
50 katha (Bihar)	6.323213 dunam	6 21/64 dunam	standard single unit scale
100 katha (Bihar)	12.646426 dunam	12 41/64 dunam	multiple unit increments
250 katha (Bihar)	31.616066 dunam	31 39/64 dunam	multiple unit increments
500 katha (Bihar)	63.232132 dunam	63 15/64 dunam	multiple unit increments
1000 katha (Bihar)	126.464263 dunam	126 15/32 dunam	multiple unit increments

katha (Bihar) to dunam Formula and Examples

Direct Formula dunam = katha (Bihar) × 0.126464263

Inverse Formula katha (Bihar) = dunam × 7.907372

Mental Math Shortcut

Divide the value by roughly 7.9 to quickly estimate the converted result.

Common Katha (Bihar) to Dunam (Metric) Calculations

5 katha (Bihar) = 0.632321 dunam
10 katha (Bihar) = 1.264643 dunam
50 katha (Bihar) = 6.323213 dunam
100 katha (Bihar) = 12.646426 dunam
500 katha (Bihar) = 63.232132 dunam

Precision & Practical Use

For example, 10 katha (Bihar) = 1.264643 dunam — roughly standard single unit scale.

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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In home remodeling, flat wall and floor square footages are converted by paint coverage calculators (estimating paint gallons needed) or tile calculators (estimating tile counts, accounting for grout lines and a 10% waste factor). For roofing jobs, surface area is measured in roofing 'squares' (1 square = 100 sq ft). Landscapers use area calculators to estimate bulk mulch and topsoil volume in cubic yards. These specialized calculators bridge the gap between flat dimensional area and commercial material purchasing.

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How to Convert Katha (Bihar) to Dunam (Metric)

How many dunam (metric)s are in one katha (bihar)?

One Katha (Bihar) (katha (Bihar)) equals 0.126464 Dunam (Metric) (dunam). To convert katha (bihar)s to dunam (metric)s, multiply the katha (bihar) value by 0.126464.

How do I convert Katha (Bihar) to Dunam (Metric)?

Multiply your katha (bihar) value by 0.126464 to get the result in Dunam (Metric): dunam = katha (Bihar) × 0.126464. For example, 5 katha (Bihar) = 0.632321 dunam.

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

The conversion formula is dunam = katha (Bihar) × 0.126464. 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 katha (Bihar) to dunam?