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✔ Verified Metric & Revenue Standard: Standards cross-checked against Bihar, Jharkhand, Odisha and West Bengal Revenue Board schedules (1 Dismil = 435.6 sq ft).
Audited: October 2026 • Editorial Methodology
East India Revenue • Updated 2026

Dismil to Sq Ft Calculator: Decimal, Katha & Dhur Land Records

1 Dismil (Decimal or Satak) equals 435.6 square feet (40.468 square meters) and represents 1/100 of an Acre. In Bihar and Jharkhand revenue records, 1 Katha equals 3.125 Dismils (1,361.25 sq ft). In West Bengal, 1 Katha equals 1.65 Dismils (720 sq ft).

East India Revenue Standards • Decimal, Katha & Dhur
Dismil & Decimal to Square Feet Measurement Guide - Official Land Measurement and Cadastral Calculator Visual Guide
Dismil & Decimal to Square Feet Measurement Guide: Official East Indian revenue measurement units for Bihar Bhumi, Jharkhand Jharbhoomi, Banglarbhumi, and Odisha Bhulekh.
Instant Eastern Calculator

Convert Dismil / Decimal to Square Feet, Katha & Dhur

Enter the Dismil or Decimal value from your Jamabandi Register-II or Khatian:

Square Feet (Sq.Ft) 435.6 Copy
Katha (कट्ठा / কাঠা) 0.32 Copy
Dhur (धूर) 6.40 Copy
Bighas (बीघा) 0.016 Copy
Square Meters (Sq.M) 40.47 Copy
Acres (एकड़) 0.010 Copy
Official Revenue Board Formula (Verified 2026)
Step-by-Step Procedure

How to Convert Dismil to Square Feet and Katha

4 Simple Steps

Follow these four steps to calculate Eastern India plot dimensions:

1 Enter Dismil or Decimal Value

Type the decimal area from your Bihar Bhumi, Banglarbhumi, or Odisha Bhulekh document.

2 Select State Revenue System

Choose Bihar / Jharkhand (3.125 Dismils = 1 Katha) or West Bengal (1.65 Dismils = 1 Katha).

3 Read Area in Square Feet

View the exact area in Square Feet (1 Dismil = 435.6 sq ft), Square Meters, and local sub-units (Dhur / Chatak).

4 Verify Against LPC or Khatian

Match the converted area with your Land Possession Certificate or computerized Khatian record.

Quick Reference Chart: 1 to 50 Dismil to Square Feet & Katha

Dismil / Decimal Count Square Feet (Sq.Ft) Bihar Katha (1,361.25 sq ft) West Bengal Katha (720 sq ft) Acres Equivalent
1 Dismil435.6 sq ft0.32 Katha (6.4 Dhur)0.60 Katha0.01 Acre
2 Dismils871.2 sq ft0.64 Katha1.21 Katha0.02 Acre
3.125 Dismils (1 Bihar Katha)1,361.25 sq ft1.00 Katha (20 Dhur)1.89 Katha0.0312 Acre
5 Dismils2,178.0 sq ft1.60 Katha3.02 Katha0.05 Acre
10 Dismils4,356.0 sq ft3.20 Katha6.05 Katha0.10 Acre
15 Dismils6,534.0 sq ft4.80 Katha9.07 Katha0.15 Acre
20 Dismils8,712.0 sq ft6.40 Katha12.10 Katha0.20 Acre
25 Dismils10,890.0 sq ft8.00 Katha15.12 Katha0.25 Acre
50 Dismils (Half Acre)21,780.0 sq ft16.00 Katha30.25 Katha0.50 Acre
62.5 Dismils (1 Bihar Bigha)27,225.0 sq ft20.00 Katha (1 Bigha)37.81 Katha0.625 Acre
100 Dismils (1 Full Acre)43,560.0 sq ft32.00 Katha (1.6 Bigha)60.50 Katha1.00 Acre

Verifying Dismil Records on Bihar Bhumi and Banglarbhumi

In Eastern India, revenue officers (CO / Revenue Karmachari / Revenue Inspector) issue land possession certificates (LPC) and mutation correction slips recorded in Dismils:

  • Bihar Bhumi (biharbhumi.bihar.gov.in): Jamabandi Register-II receipts record plot areas in Bigha-Katha-Dhur or Decimal. When applying for online Dakhil-Kharij (Mutation), enter plot decimal values matching your registered deed.
  • Banglarbhumi (banglarbhumi.gov.in): Khatian records list land in Acre and Decimal (e.g. 0.12 Acre = 12 Decimals / 12 Satak). Check the classification column (Bastu, Sali, Danga) before converting agricultural land into residential plots.
  • Odisha Bhulekh (bhulekh.ori.nic.in): ROR records list area in Acres and Decimals under Tahasil inspection books.
Connected Land Calculators

Related Land Measurement Tools & Calculators

Select any complementary calculator below to convert units, measure boundaries, or verify ownership records:

All-India Converter

Universal Land Unit Converter

Convert between any two Indian land measurement units across states, including Bigha, Biswa, Katha, Dhur, Kanal, Guntha, Cent, Gaj, and Acres.

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Valuation & Circle Rate

Land Valuation & Rate Converter

Calculate total land price and compare rates per Sq Ft, per Gaj, per Acre, and per Bigha to evaluate deals and stamp duty benchmarks.

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Cadastral Standard

Bigha to Sq Ft Calculator

Calculate state-specific Pucca and Kachha Bigha conversions across Uttar Pradesh, Bihar, MP, Rajasthan, and West Bengal.

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Area Ratio

Acre to Bigha Calculator

Convert standard 43,560 sq ft acres into regional Bighas for North, East, and Central Indian land records.

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Bhulekh Reader

Hectare to Bigha Calculator

Convert 4-decimal metric hectares from official Khatauni records into legal Bighas and local sub-units.

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South India Standard

Cent to Sq Ft Calculator

Convert 435.6 sq ft Cents and 1,089 sq ft Gunthas for Tamil Nadu, Kerala, Andhra, Telangana, and Karnataka deeds.

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Urban Plot Sizing

Gaj to Sq Ft Calculator

Convert Square Yards (Gaj) to Square Feet for municipal residential layouts and building approval plans.

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Field Survey & Mojani

4-Side Plot Area Calculator

Calculate irregular four-sided plot areas using boundary lengths in Feet, Meters, Kadis, Karams, or Gathas.

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Registration Costs

Stamp Duty & Registry Calculator

Estimate property registration charges and statutory female buyer concessions across key Indian states.

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Inheritance & Partition

Family Khata Share Splitter

Divide joint ancestral land holdings among legal heirs and calculate individual acreage and square footage.

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Cadastral Map Tool

Bhu Naksha Map Scale Distance

Convert millimeter ruler measurements on 1:4000 village cadastral maps into exact ground distances.

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Official Revenue Authority Links

Verify Dismil Records on Eastern State Portals

Cross-verify your land area on official Eastern Indian revenue systems:

Uttar Pradesh UP Bhulekh & BhuNaksha (Khatauni & Plot Map) View Official Guide →
Bihar Bihar Bhumi (Biharbhumi) (Jamabandi & Register-II) View Official Guide →
Madhya Pradesh MP Bhulekh Portal (Khasra & B-1 Kishtabandi) View Official Guide →
Rajasthan Apna Khata (E-Dharti) (Jamabandi & Naksha) View Official Guide →
West Bengal Banglarbhumi Portal (Khatian & Plot Info) View Official Guide →
Maharashtra Mahabhumi (Bhoomibharati) (7/12 Satbara & 8A) View Official Guide →
Punjab PLRS Jamabandi (Fard Jamabandi) View Official Guide →
Haryana Jamabandi Haris Portal (Nakal Jamabandi) View Official Guide →
Gujarat AnyRoR Gujarat (Village Form 7/12) View Official Guide →
Karnataka Bhoomi Karnataka (RTC Pahani) View Official Guide →
Andhra Pradesh Meebhoomi AP (Adangal & 1-B Record) View Official Guide →
Odisha Bhulekh Odisha (RoR & Map Naksha) View Official Guide →

Frequently Asked Questions on Dismil & Decimal Conversion

1. How many square feet are in 1 Dismil?

1 Dismil (also known as Decimal or Satak) is exactly equal to 435.6 square feet (40.468 square meters or 48.4 square yards). It represents exactly 1/100th of an Acre.

2. How many Dismils make 1 Katha in Bihar?

In Bihar and Jharkhand, 1 Katha equals approximately 3.125 Dismils (1,361.25 square feet). 20 Kathas make 1 Bigha (equal to 62.5 Dismils or 27,220 square feet).

3. How many Dismils make 1 Katha in West Bengal?

In West Bengal, 1 Katha is standard at 720 square feet. Therefore, 1 Katha equals approximately 1.6528 Dismils (720 divided by 435.6).

4. How many square feet are in 1 Dhur?

1 Dhur is equal to 1/20th of a Katha. In Bihar, 1 Dhur equals approximately 68.06 square feet (0.156 Dismil). In West Bengal, 1 Chatak equals 45 square feet.