Convert Ground (Chennai) to Hectare
Convert grounds to hectares instantly. 1 ground (chennai) = 0.0222967 hectare — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Hectare to Ground (Chennai) converter for the reverse conversion.
Units explained
Ground (Chennai)
A ground is a unit of land area used primarily in Chennai (Tamil Nadu), equal to exactly 2400 square feet, or approximately 222.967 m².
Standardized at 2400 sq ft in the Madras (Chennai) area during the colonial era. The name 'ground' is a direct English translation used in local property documentation.
Grounds are the primary unit for residential property in Chennai and surrounding Tamil Nadu districts. Property advertisements in Chennai commonly use grounds alongside square feet (24 grounds = 1 acre).
Standardized in colonial Madras Presidency.
Hectare
A hectare is a metric unit of area equal to 10,000 square meters, or one square hectometer. It is the most widely used metric unit for land measurement worldwide.
Defined as 100 ares, equal to one square hectometer. The name was introduced in 1795 in France as part of the metric system.
Hectares are the standard unit for agricultural land measurement worldwide except in the US (which uses acres). 1 hectare equals 2.47105 acres. In India, hectares are used in modern agricultural census and land records alongside traditional regional units.
Adopted in France in 1795; standardized internationally through the SI system.
Ground (Chennai) to Hectare conversion formula
The relationship between grounds and hectares:
To convert grounds to hectares, multiply the value in grounds by 0.0222967. To reverse, multiply hectares by 44.8496862764.
How to use this converter
Type a value into the calculator. The result in hectares updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Hectare to Ground (Chennai) converter for the reverse direction.
Step-by-step: convert grounds to hectares
- Write down the value in grounds ().
- Multiply that value by the factor 0.0222967.
- The product is the equivalent value in hectares (ha).
- To reverse, multiply the hectare value by 44.8496862764.
Worked examples
Example 1 — Convert 1 to ha:
1 × 0.0222967 = 0.0222967 ha
Example 2 — Convert 100 to ha:
100 × 0.0222967 = 2.22967 ha
Ground (Chennai) to Hectare conversion table
Standard reference values for converting grounds to hectares:
| Ground (Chennai) [] | Hectare [ha] |
|---|---|
| 0.01 | 0.000222967 |
| 0.1 | 0.00222967 |
| 1 | 0.0222967 |
| 2 | 0.0445934 |
| 3 | 0.0668901 |
| 4 | 0.0891868 |
| 5 | 0.1114835 |
| 10 | 0.222967 |
| 20 | 0.445934 |
| 30 | 0.668901 |
| 40 | 0.891868 |
| 50 | 1.114835 |
| 100 | 2.22967 |
| 500 | 11.14835 |
| 1000 | 22.2967 |
Frequently asked questions
How many hectares is 1 ground (chennai)?
How do I convert grounds to hectares?
How do I convert hectares back to grounds?
How many hectares is 100 grounds?
Popular area unit conversions
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 = 0.0222967 ha) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.