Length · Unit Converter

Convert Katha (Bihar) to Square Centimeter

Convert kathas to square centimeters instantly. 1 katha (bihar) = 1264400 square centimeter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Centimeter 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 June 6, 2026 Last reviewed June 6, 2026 Updated June 6, 2026

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.

Metric / SI

Square Centimeter

What is a square centimeter?

A square centimeter is a metric unit of area equal to 10⁻⁴ m² (1 cm × 1 cm). It is widely used in everyday measurement, lab work, and small-area applications.

Origin of the square centimeter

Derived by squaring the centimeter (1/100 of a meter). The centi- prefix comes from the Latin 'centum' (hundred).

Where it is used

Square centimeters express the cross-sectional area of pipes and cables, the surface area of small everyday objects, biological tissue samples, and many engineering quantities. The SI unit for medical/pharmaceutical dose-per-area is often expressed in cm².

When and where it was developed

Centimeter has been part of the metric system since 1795.

Katha (Bihar) to Square Centimeter conversion formula

The relationship between kathas and square centimeters:

1 katha = 1264400 cm²

1 cm² = 7.90889e-7 katha

To convert kathas to square centimeters, multiply the value in kathas by 1264400. To reverse, multiply square centimeters by 7.90889e-7.

How to use this converter

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

Step-by-step: convert kathas to square centimeters

Write down the value in kathas (katha).
Multiply that value by the factor 1264400.
The product is the equivalent value in square centimeters (cm²).
To reverse, multiply the square centimeter value by 7.90889e-7.

Worked examples

Example 1 — Convert 1 katha to cm²:
1 × 1264400 = 1264400 cm²

Example 2 — Convert 100 katha to cm²:
100 × 1264400 = 1.2644e+8 cm²

Katha (Bihar) to Square Centimeter conversion table

Standard reference values for converting kathas to square centimeters:

Katha (Bihar) [katha]	Square Centimeter [cm²]
0.01	12644
0.1	126440
1	1264400
2	2528800
3	3793200
4	5057600
5	6322000
10	1.2644e+7
20	2.5288e+7
30	3.7932e+7
40	5.0576e+7
50	6.322e+7
100	1.2644e+8
500	6.322e+8
1000	1.2644e+9

Frequently asked questions

How many square centimeters is 1 katha (bihar)?

1 katha (bihar) equals 1264400 square centimeter.

How do I convert kathas to square centimeters?

Multiply the value in kathas by 1264400 to get square centimeters.

How do I convert square centimeters back to kathas?

Multiply the value in square centimeters by 7.90889e-7, or use the Square Centimeter to Katha (Bihar) converter.

How many square centimeters is 100 kathas?

100 kathas equals 1.2644e+8 square centimeters, because 100 × 1264400 = 1.2644e+8.

Popular area unit conversions

ac → ft² m² → ft² ha → ac bigha → ft² ft² → m² ac → ha guntha → ft² ct → ft² ac → m² cm² → in² m² → ac km² → mi²

Convert Katha (Bihar) to other area units

Show all Katha (Bihar) conversions

Metric / SI (5 units)

Katha (Bihar) to Square Millimeter (mm²) Katha (Bihar) to Square Centimeter (cm²) Katha (Bihar) to Square Meter (m²) Katha (Bihar) to Hectare (ha) Katha (Bihar) to Square Kilometer (km²)

Imperial / US Customary (3 units)

Katha (Bihar) to Square Inch (in²) Katha (Bihar) to Square Foot (ft²) Katha (Bihar) to Acre (ac)

Indian Subcontinent (15 units)

Katha (Bihar) to Ankanam () Katha (Bihar) to Marla (marla) Katha (Bihar) to Cent (ct) Katha (Bihar) to Decimal (Indian) () Katha (Bihar) to Katha (Bengal) (katha) Katha (Bihar) to Guntha (guntha) Katha (Bihar) to Ground (Chennai) () Katha (Bihar) to Katha (Assam) (katha) Katha (Bihar) to Kanal (kanal) Katha (Bihar) to Bigha (Kachha, North India) (bigha) Katha (Bihar) to Bigha (West Bengal) (bigha) Katha (Bihar) to Bigha (Assam) (bigha) Katha (Bihar) to Bigha (Gujarat) (bigha) Katha (Bihar) to Bigha (Rajasthan) (bigha) Katha (Bihar) to Bigha (Pucca, North India) (bigha)

Sources & references

Conversion factor (1 katha = 1264400 cm²) verified against the following authoritative sources:

BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.

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