Real estate transactions in India and across the world rely on a mix of modern metric units (Hectares, Square Meters) and traditional state-wise land measurement systems (Acre, Guntha, Bigha, Gaj, Biswa).
Understanding exact mathematical conversion factors prevents costly boundary miscalculations during land registry and property acquisition.
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### Land Measurement Master Conversion Table
| Unit | Equivalent in Square Feet (sq ft) | Equivalent in Square Meters (m²) | Notes / Geography |
| :--- | :--- | :--- | :--- |
| **1 Acre** | **43,560 sq ft** | 4,046.86 m² | Global Standard (Equals 40 Gunthas) |
| **1 Guntha** | **1,089 sq ft** | 101.17 m² | Maharashtra, Karnataka, Gujarat |
| **1 Hectare** | **107,639 sq ft** | 10,000 m² | International Metric Standard (= 2.471 Acres) |
| **1 Square Yard (Gaj)** | **9 sq ft** | 0.836 m² | North India (Delhi, Punjab, UP, Haryana) |
| **1 Bigha (Standard)** | **27,000 sq ft** (approx) | 2,508 m² | Varies by state (UP/Bihar/Rajasthan) |
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### Essential Metric to Imperial Formulas
- •**Kilograms to Pounds:** `1 kg = 2.20462 lbs`
- •**Kilometers to Miles:** `1 km = 0.621371 miles`
- •**Celsius to Fahrenheit:** `°F = (°C × 9/5) + 32`
- •**Megabytes to Gigabytes:** `1 GB = 1024 MB`
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### Fast Instant Conversions with DocuDev
Use the **[DocuDev Scientific Unit Converter](https://www.docudev.site/tools/unit-converter)** to:
- Convert between 50+ scientific and real estate units in real-time.
- View the complete conversion matrix across all units simultaneously.
- Export official PDF unit conversion cheat sheets for offline field reference.
