How to Calculate Dismil to Square Feet (Sq Ft) - 2025-2026 Popular Converter

1 Dismil is Exactly Equivalent to 435.6 square feet.  { 1 dismil = 435.6 Square Feet }

Dismil is a regional land measurement unit primarily used in Eastern India. It is widely applied in real estate transactions and government land records. Converting dismil into more universally understood units, such as square feet (sq ft), is essential for accurate valuation, planning, and legal documentation of land.

This article provides a precise guide to converting dismil to square feet. It also explains where and how the unit is used across Indian states, including Bihar, Jharkhand, Odisha, and West Bengal. Readers will find exact conversion formulas, regional variations, calculator references, and detailed conversion tables for practical use.

Key Facts:

• 1 Dismil = 435.6 Square Feet (Sq Ft)

• Standardized value used in most Indian states

• Used in land registry, plot size verification, and property deals

What is Dismil?

Dismil is a non-SI regional unit of land measurement commonly used in Eastern India. It is predominantly applied in the states of Jharkhand, Odisha, Bihar, Assam, and West Bengal for measuring small to medium-sized land parcels. Dismil is especially relevant in rural and semi-urban property records.

By definition, 1 dismil equals 435.6 square feet (sq ft). The unit is recognized by multiple state revenue departments for land registration and is used in official survey records and title deeds.

Attributes of Dismil:

• Root Type: Area measurement unit

• Scale: Smaller than Acre or Hectare

• Usage: Local cadastral mapping, registry records, property sales

• Standard Conversion: 1 Dismil = 435.6 sq ft

Regional Context: Dismil is often used interchangeably with "Decimal" in regional language, although both refer to the same unit (1 Decimal = 1 Dismil). It simplifies communication between landowners, surveyors, and government officials during transactions and demarcation.

How to Convert Dismil to Square Feet?

Dismil can be converted into square feet using the fixed conversion factor recognized across most Indian states.

Conversion Formula:
1 Dismil = 435.6 Square Feet

To convert any value of dismil into square feet, multiply the dismil value by 435.6.

Formula:
Square Feet = Dismil × 435.6

Example Conversions:

• 5 dismil = 5 × 435.6 = 2,178 sq ft

• 10 dismil = 10 × 435.6 = 4,356 sq ft

• 50 dismil = 50 × 435.6 = 21,780 sq ft

Use Case:  This conversion is crucial for calculating total plot area in housing layouts, real estate transactions, and municipal zoning records. Builders, landowners, and legal officials frequently use this conversion when translating older regional documents into modern cadastral systems based on square feet.

Tools:  Online land area calculators and digital property portals integrate square-feet-to-square-mile conversions for user convenience. These tools eliminate manual calculation and provide instant outputs during online registration or mutation applications.

Is the Dismil to Square Feet Value the Same Across Indian States?

Yes, 1 dismil is equivalent to 435.6 square feet (sq ft) across all Indian states that officially use this unit in their land measurement systems. This fixed conversion factor is recognized by revenue departments, land registry offices, and municipal authorities to ensure consistency in area calculation, title deeds, and legal documentation.

Regional Applications:

• Jharkhand: Dismil is one of the primary land units in government mutation records and survey reports. The state officially uses 1 dismil = 435.6 sq ft in revenue documents and property transfers.

• Bihar: The term "decimal" is used interchangeably with dismil. All district-level land offices apply the standard value of 435.6 sq ft per dismil in landholding certificates and transaction summaries.

• Odisha (including Bhubaneswar): In both rural and urban zones, dismil is used in digitized land record portals and layout plans. Housing boards and municipalities apply the standard value without variation.

• Assam: Dismil is used in land partitioning, mutation, and local cadastral maps. Government land applications and Patta issuance reference the conversion factor of 435.6 sq ft per dismil.

• West Bengal: Though katha and bigha are also prevalent, dismil remains a standard unit in state revenue systems. The conversion to square feet aligns with the national standard.

• Chhattisgarh: Recognized under the state's Bhumi Abhilekh (land records) system, dismil is used for calculating agricultural land area. All local Tehsils follow the 435.6 sq ft standard.

• Uttar Pradesh: Dismil is recognized in land mutation forms, especially in Eastern UP. The fixed square feet equivalent supports landholding validation and registry updates.

• Tripura: Survey maps and rural land ownership titles in Tripura incorporate dismil-based measurements. The same conversion ratio of 435.6 sq ft is used across official systems.

• Telangana: Though less common than other units like guntas or acres, dismil still appears in older records. Wherever applied, the conversion follows the same 435.6 sq ft value.

Note: While dismil and decimal are often used synonymously, their conversion to square feet does not vary. However, other units like bigha, katha, guntha, and marla may differ significantly across regions due to historical definitions.

Comparison of Dismil with Other Land Measurement Units

Dismil is one of many land measurement units used across India. Its fixed conversion to square feet makes it a preferred standard for clarity, especially in legal, registry, and government systems. However, several traditional units are still used in various regions, each with state-specific variations.

The following table presents a comparison of 1 dismil against other units based on regional standards:

Observation:

• Units like Katha, Bigha, and Marla vary significantly between districts and states. They are less reliable for standard conversion without local calibration.

• Dismil and Cent are numerically equal (1 dismil = 1 cent = 435.6 sq ft), making them interchangeable in certain states like Odisha and Tamil Nadu.

• Dismil acts as a bridge unit between traditional and SI units, due to its fixed conversion rate and wide state-level acceptance.

Use Case Scenarios:

• Katha to Dismil: Used in West Bengal property mutation cases.

• Guntha to Dismil: Applied in Maharashtra plot allotments.

• Acre to Dismil: For large-scale land bank conversions in agricultural reports.

Applications of Dismil in Land Registrations

Dismil is an officially recognized unit in various state land registration systems across India. It is used to document property boundaries, calculate stamp duties, and record landholdings in digital land records and physical registry books.

Key Areas of Use:

• Mutation Records: Tehsil and Patwari offices across Eastern India use dismil for recording ownership transfers, especially in rural land parcels.

• Registry Documents: Sale deeds and land transfer agreements mention property area in dismil, which is then cross-verified with square feet for valuation and legal authentication.

• Digital Land Portals: Government platforms such as Bhoomi (Karnataka), Dharani (Telangana), and BhuNaksha (multiple states) support dismil entries during land searches and document generation.

• Stamp Duty Calculation: Since stamp duty depends on total land area, converting dismil into square feet is essential for determining applicable charges.

• Plot Subdivision and Survey Maps: Survey departments convert dismil to square feet to generate precise plot boundaries during layout mapping and village cadastral updates.

Regional Integration: In states like Odisha and Jharkhand, dismil is embedded in standard proformas used for Form 15, Form 21, and ROR (Record of Rights). These forms maintain dual entries — in dismil and square feet — to facilitate both traditional and modern referencing.

How Dismil-Based Calculators Improve Accuracy

Dismil-based calculators automate the conversion of land area from dismil to square feet with precision. These digital tools reduce human error in manual calculations and streamline area validation in official records, layout planning, and real estate documentation.

Core Benefits of Using Dismil Calculators:

• Accuracy in Unit Conversion: The calculators use the exact conversion factor (1 dismil = 435.6 sq ft), ensuring standardization across all outputs. This prevents rounding errors often seen in manual conversions.

• Faster Documentation: Real estate agents, surveyors, and registry officials use these tools to instantly calculate total plot area, improving efficiency in property transfer processes.

• Multi-Unit Integration: Most dismil calculators also convert values into other units like katha, cent, acre, and hectare. This supports cross-regional transactions and comparisons.

• Preloaded State-Specific Values: Some calculators offer region-specific presets (e.g., bigha in UP vs. bigha in WB), allowing users to input dismil values and receive parallel outputs across varying unit systems.

Practical Applications:

• Used in property tax estimation portals.

• Integrated in land parcel allocation tools by development authorities.

• Embedded in survey engineer mobile apps for real-time field calculations.

Recommended Tools:

• Government portals like BhuNaksha and Dharani.

• GIS-integrated land calculators used in town planning departments.

• Private platforms with verified unit databases (e.g., landarea.in, magicbricks converter).

Regional Variants and Misconceptions About Dismil

Despite its standardized definition, dismil is often misunderstood due to regional naming practices and overlapping usage with similar-sounding units such as decimal or cent. These misconceptions can lead to inaccuracies in land valuation and boundary disputes.

Common Misconceptions:

• Dismil vs. Decimal: In many Eastern Indian states, “decimal” and “dismil” are used interchangeably. While numerically equivalent (1 decimal = 1 dismil = 435.6 sq ft), the difference lies only in terminology, not in unit value.

• Cent Confusion: In Southern states like Tamil Nadu and Kerala, “cent” is the preferred unit. One cent is also 435.6 sq ft, leading some to assume it's a separate measurement. In reality, cent and dismil are identical in value but differ in regional usage.

• State-Specific Bigha Systems: Landowners often attempt to convert bigha to dismil using generalized assumptions. However, bigha varies widely by state — for example, 1 bigha in West Bengal ≈ 1,600 sq yd, whereas in Assam, it can exceed 2,500 sq yd. These cannot be directly linked to dismil without state-level calibration.

Administrative Clarification: Revenue departments across Jharkhand, Odisha, and Bihar have issued guidelines affirming the fixed conversion of dismil to square feet. These documents also clarify that while colloquial use may vary, registry offices accept only standard numerical values during documentation.

Impact on Land Buyers and Sellers:
Misinterpreting dismil can lead to:

• Overpayment or underpayment during land deals.

• Incorrect area calculations in building plans.

• Delays in registry due to mismatched unit interpretation.

Resolution: Government land portals, property advisors, and survey engineers recommend using certified calculators or official conversion charts to prevent unit-based discrepancies during transactions.

Why Square Feet Remains the Final Reference Unit in Registrations

Square feet (sq ft) is the most widely used and legally accepted unit of land measurement in India. While dismil, cent, katha, and bigha are used at the local or regional level, square feet is the final reference unit during legal land registrations, sale deeds, and municipal assessments.

Reasons for Standardization:

• National Uniformity: Square feet allows a consistent valuation of land parcels across states, regardless of local measurement customs.

• Digital Integration: All major e-governance platforms, including Bhoomi, Dharani, and BhuNaksha, operate using square feet as the base unit for area entries, boundary digitization, and record generation.

• Legal Precision: Property registration offices require land area to be submitted in square feet to calculate exact stamp duties, property taxes, and mutation charges.

• Engineering & Architecture Compliance: Building plans, layout approvals, and construction maps are all designed using square feet. This enables seamless communication between property owners, engineers, and regulatory authorities.

Registry Process Alignment: Even if the initial land description is provided in dismil or cent, registry offices convert the values into square feet before storing the information in official databases such as the Record of Rights (ROR) or Encumbrance Certificates (EC).

Government Mandate Example: In states like Karnataka, Maharashtra, and Telangana, the stamp duty computation modules embedded in Sub-Registrar Office (SRO) software systems are configured only for square feet input, further reinforcing its role as the final standard.

Summary Table – Dismil to Square Feet (1 to 200 Dismil)

The following table provides a direct conversion of land area values from dismil to square feet, using the standardized factor:

1 dismil = 435.6 square feet

This table supports survey engineers, landowners, registry officials, and real estate consultants in quickly converting multiple dismil values into square feet for documentation, layout planning, or valuation.
 

Continuing the Dismil to Square Feet Table (101 to 200 dismil):

How to Use the Table:

• Identify the land area in dismil.

• Locate the corresponding square feet value in the adjacent column.

• Use this value for entry into legal forms, construction layouts, or online registration systems.

Note:
If the required dismil value is not listed, apply the standard formula:
Square Feet = Dismil × 435.6

Example:

• For 143 dismil → 143 × 435.6 = 62,290.8 sq ft

• For 197 dismil → 197 × 435.6 = 85,813.2 sq ft

Conclusion

Dismil is a standardized regional unit used across multiple Indian states for measuring land. Its fixed equivalence to 435.6 square feet ensures consistent application in legal documents, mutation records, layout planning, and digital land systems.

Through this article, readers have learned how to convert dismil into square feet using exact formulas, reviewed state-specific applications, explored calculator tools, and understood how dismil compares with other traditional units such as katha, cent, and bigha.

Despite regional variations in terminology, the dismil-to-square-feet conversion remains constant across jurisdictions, making it a reliable tool for real estate transactions and property documentation.

What’s Next

In the upcoming content, we will explore how dismil compares to larger units like acre and hectare, examine unit mismatches in inheritance documents, and break down how survey maps use dismil in boundary plotting. Readers looking for unit comparisons beyond square feet will find deeper insights into rural and urban land metrics.

Frequently Asked Questions

How does the dismil unit support error-free subdivision of agricultural plots in multi-hectare lands?

Dismil simplifies large-plot segmentation by enabling precise area division, as 1 hectare equals 247.1 dismil or 107639.1 sq ft. Land parcels of 0.5 hectare convert to 123.55 dismil or 53819.55 sq ft, ensuring mathematical accuracy during cadastral map entries. This minimizes overlapping boundaries and prevents data mismatch in government survey records.

Why is dismil used in state-level GIS-based land surveys instead of traditional units like bigha or katha?

Dismil offers a standardized base unit (1 dismil = 435.6 sq ft) that integrates seamlessly with GIS software and digital land tools. In contrast, bigha and katha vary across states, such as 1 bigha = 1600 sq yd in West Bengal but 3025 sq yd in Uttar Pradesh. Because of dismil’s uniformity, digital platforms like BhuNaksha and Dharani use it for reliable grid mapping and field measurement.

How do dismil-based calculations affect stamp duty estimation in rural land sales?

Stamp duty depends on the registered square feet area, and since 1 dismil = 435.6 sq ft, a 20 dismil plot equals 8712 sq ft. At an average rural stamp duty of ?100 per 100 sq ft, this equates to ?8712 payable upfront. Any calculation error in converting dismil to sq ft can overstate or understate duties, triggering audit issues or legal delays.

In what way does dismil help maintain legal consistency across mutation, khatian, and registry records?

Legal documents like mutation entries, ROR, and registry deeds require identical land area representation across forms. When dismil is used, 1 entry for 60 dismil (26136 sq ft) stays constant in khatian and registry extract. This consistency avoids conflicts between survey maps and ownership records, especially in cross-district land transactions.

Why do survey engineers prefer dismil when plotting multi-dimensional boundaries?

Survey engineers work with edge-based measurements and dismil allows easy area consolidation. A 4-side irregular polygon totaling 200x300 ft gives 60000 sq ft or 137.7 dismil — making it easier to calculate center points and overlapping zones. Since 1 dismil = 435.6 sq ft, reverse-engineering large plots becomes faster using dismil as a base.

How does dismil enable easier legal land partitioning among multiple heirs?

During inheritance, dismil allows equal division without resorting to local units that vary by village or district. For example, a 100 dismil property (43560 sq ft) divided among four heirs gives exactly 25 dismil or 10890 sq ft per person. This eliminates conversion disputes and ensures equitable land distribution across legal heirs.

What advantages does dismil offer when comparing urban plot sizes with semi-urban layouts?

Urban plots are usually measured in square feet while semi-urban layouts still use dismil. A builder planning projects across both areas can align measurements, as 1 dismil = 435.6 sq ft, 10 dismil = 4356 sq ft, and 30 dismil = 13068 sq ft. This allows uniform costing, FAR computation, and documentation formats for mixed-location development.

How can dismil-based plot calculators reduce regulatory document rejections?

Most rejections in registry offices are due to misalignment of area values across supporting documents. Dismil calculators convert 1–200 dismil directly into sq ft (e.g., 35 dismil = 15246 sq ft; 72 dismil = 31363.2 sq ft), maintaining precision. Since square feet is the legally accepted unit, exact conversion from dismil ensures faster approval of land deeds.

How does dismil support backward compatibility with legacy land records in Eastern India?

Legacy records in states like Bihar, Odisha, and Jharkhand often record land in decimals or dismil. For example, an old khatian showing 15 decimals equals 6534 sq ft or 0.15 acre. Using dismil today allows seamless syncing with old data while offering conversion into modern units like acre, hectare, or square meter when required.

How is dismil applied during land pooling in state-sponsored housing schemes?

Land pooling agencies aggregate plots from different owners into one development plan, and using dismil ensures exact area calculation. For instance, 120 dismil = 52272 sq ft or 1.2 acre, and five such plots combine into 600 dismil = 217800 sq ft. This precision allows accurate compensations, unified layout approvals, and transparent owner contribution tracking.