Understanding Land & Property Area Measurement in India (2026)
Land measurement units in India vary significantly from state to state. While modern builders and apartments use square feet and square meters, agricultural land and plotted developments are often bought and sold in regional units like Bigha, Guntha, Ground, Marla, or Cent.
Converting land measurements accurately is essential before finalizing property registration and construction agreements. Once you determine your plot dimensions, estimate your government transfer fees on our stamp duty calculator and forecast your building budget with our home construction cost calculator. If you plan to build a rental asset, assess recurring income on our rental yield calculator, calculate monthly financing on our home loan EMI calculator, evaluate historical real estate gains on our property ROI calculator, and compare buying versus renting with our rent vs buy calculator.
Complete State-Wise Land Unit Conversion Reference
| Land Unit | Equivalent in Sq. Ft. | Primary States / Regions |
|---|---|---|
| 1 Gaj (Square Yard) | 9 Sq. Ft. | Delhi NCR, Haryana, Punjab, UP, Rajasthan |
| 1 Acre | 43,560 Sq. Ft. (4,840 Gaj) | All India Standard Agricultural Unit |
| 1 Hectare | 107,639 Sq. Ft. (2.471 Acres) | Official Government Land Registry |
| 1 Guntha | 1,089 Sq. Ft. (40 Gunthas = 1 Acre) | Maharashtra, Gujarat, Karnataka, Telangana |
| 1 Cent | 435.6 Sq. Ft. (100 Cents = 1 Acre) | Kerala, Tamil Nadu, Andhra Pradesh |
| 1 Ground | 2,400 Sq. Ft. | Tamil Nadu (Chennai & Urban Outskirts) |
| 1 Pucca Bigha (UP) | 27,225 Sq. Ft. (3,000 Gaj) | Uttar Pradesh, MP, Rajasthan |
| 1 Bengal / Bihar Bigha | 14,400 Sq. Ft. (1,600 Gaj) | West Bengal, Bihar, Assam |
| 1 Kanal | 5,445 Sq. Ft. (20 Marlas) | Punjab, Haryana, Jammu & Kashmir, HP |
| 1 Marla | 272.25 Sq. Ft. | Punjab, Haryana, HP |
| 1 Kattha / Biswa | 1,361.25 Sq. Ft. (20 Kattha = 1 Bigha) | UP, Bihar, Assam |
Carpet Area vs Built-Up Area vs Super Built-Up Area (RERA 2026)
Under RERA (Real Estate Regulation and Development Act), property developers are legally mandated to sell apartments based strictly on RERA Carpet Area:
- RERA Carpet Area: The net usable floor area of an apartment, excluding internal wall thickness. Includes bedroom, living room, kitchen, and bathroom floor areas.
- Built-Up Area: Carpet Area + Internal/External Wall Thickness + Balconies. Typically 10-15% larger than carpet area.
- Super Built-Up Area: Built-up area + Proportional share of common building areas (staircase, elevator shafts, clubhouse, lobby). The extra area added is known as Loading Percentage (typically 25-35%).
Step-by-Step Worked Conversion Examples
Worked Example 1: Converting a 30 ft × 50 ft Residential Plot
• Step 1: Plot Area in Sq. Ft. = 30 ft × 50 ft = 1,500 Sq. Ft.
• Step 2: Convert to Gaj = 1,500 ÷ 9 = 166.67 Gaj.
• Step 3: Convert to Cents = 1,500 ÷ 435.6 = 3.44 Cents.
• Step 4: If plot costs ₹60 Lakhs, Rate per Sq. Ft. = ₹60,00,000 ÷ 1,500 = ₹4,000/sq.ft.
Worked Example 2: Converting Agricultural Land (2.5 Acres) into Bigha
• Step 1: 2.5 Acres in Sq. Ft. = 2.5 × 43,560 = 108,900 Sq. Ft.
• Step 2: Convert to UP Pucca Bigha = 108,900 ÷ 27,225 = 4.0 Bigha.
• Step 3: Convert to Maharashtra Gunthas = 108,900 ÷ 1,089 = 100 Gunthas.
Key Benefits of Using ArthCalculator Area Converter
- Eliminates Land Buying Errors: Prevents misunderstandings when local brokers quote plot sizes in regional terms (e.g. Bigha or Guntha) while bank home loans demand Sq. Ft.
- Instant Property Valuation: Automatically calculates per Sq. Ft. and per Gaj price rate from total property deal value.
- All-India Multi-Unit Support: Real-time conversion into 13 major standardized and regional land metrics.
Limitations & Important Real Estate Rules (2026)
- Regional Variations in Bigha: Bigha sizes differ significantly by state! 1 Bigha in UP is 27,225 Sq. Ft., whereas 1 Bigha in West Bengal is 14,400 Sq. Ft. Always verify local revenue records.
- Super Built-Up vs Carpet Area: RERA rules require property transactions to be billed on Net Carpet Area, not Super Built-Up Area.
Property Buyer Pro Tip (2026)
When purchasing residential plots, always cross-check the title deed area in Square Meters or Square Feet against state Khata/Patta records before executing stamp duty registration!