Length · Unit Converter

Convert Katha (Bihar) to Kanal

Convert kathas to kanals instantly. 1 katha (bihar) = 0.2499520616 kanal — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Kanal to Katha (Bihar) converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Girish V Kulkarni Ph.D.
Length category 2 min read Published Last reviewed Updated

Units explained

Indian Subcontinent

Katha (Bihar)

What is a katha (bihar)?

A Bihar katha is a traditional unit of land area equal to approximately 126.44 m² (1/20 of a pucca bigha in Bihar).

Origin of the katha (bihar)

Defined as 1/20 of the Bihar pucca bigha. Like other regional kathas, the actual size varies with the local bigha.

Where it is used

Bihar kathas appear in land records and property transactions across Bihar.

When and where it was developed

Traditional regional unit.

Indian Subcontinent

Kanal

What is a kanal?

A kanal is a unit of land area used in Punjab, Haryana, and Pakistani Punjab, equal to approximately 505.857 m² (1/8 of an acre or 605 square yards).

Origin of the kanal

Defined as 1/8 of an acre during British colonial administration of Punjab. 8 kanals make 1 acre; 20 marlas make 1 kanal.

Where it is used

Kanals are the primary unit for residential property in Punjab (India and Pakistan), Haryana, Jammu and Kashmir, and Himachal Pradesh. Property listings typically use kanal and marla units alongside square feet.

When and where it was developed

Standardized in colonial Punjab.

Katha (Bihar) to Kanal conversion formula

The relationship between kathas and kanals:

1 katha = 0.2499520616 kanal
1 kanal = 4.0007671623 katha

To convert kathas to kanals, multiply the value in kathas by 0.2499520616. To reverse, multiply kanals by 4.0007671623.

How to use this converter

Type a value into the calculator. The result in kanals updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Kanal to Katha (Bihar) converter for the reverse direction.

Step-by-step: convert kathas to kanals

  1. Write down the value in kathas (katha).
  2. Multiply that value by the factor 0.2499520616.
  3. The product is the equivalent value in kanals (kanal).
  4. To reverse, multiply the kanal value by 4.0007671623.

Worked examples

Example 1 — Convert 1 katha to kanal:
1 × 0.2499520616 = 0.2499520616 kanal

Example 2 — Convert 100 katha to kanal:
100 × 0.2499520616 = 24.9952061551 kanal

Katha (Bihar) to Kanal conversion table

Standard reference values for converting kathas to kanals:

Katha (Bihar) [katha]Kanal [kanal]
0.010.0024995206
0.10.0249952062
10.2499520616
20.4999041231
30.7498561847
40.9998082462
51.2497603078
102.4995206155
204.999041231
307.4985618465
409.998082462
5012.4976030775
10024.9952061551
500124.9760307755
1000249.952061551

Frequently asked questions

How many kanals is 1 katha (bihar)?
1 katha (bihar) equals 0.2499520616 kanal.
How do I convert kathas to kanals?
Multiply the value in kathas by 0.2499520616 to get kanals.
How do I convert kanals back to kathas?
Multiply the value in kanals by 4.0007671623, or use the Kanal to Katha (Bihar) converter.
How many kanals is 100 kathas?
100 kathas equals 24.9952061551 kanals, because 100 × 0.2499520616 = 24.9952061551.

Convert Katha (Bihar) to other area units

Show all Katha (Bihar) conversions

Sources & references

Conversion factor (1 katha = 0.2499520616 kanal) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.