A hectare is 10,000 square meters.
Hectares to Roods Converter — ha to rood
Convert Hectare (ha) to Rood (rood) using the exact conversion factor (1 hectare = 9.884215259 rood). See the formula, worked examples, conversion table, history, and common uses.
Hectares to Roods converter
Converter
Area Converter
Convert land, construction, mapping, survey, and scientific area units.
Context values
Some unit families need one extra value for a physically accurate result.
A rood is one quarter of an acre.
Result = input x 10000 / 1011.714106.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectares to Roods
Comparing Hectare and Rood is common in agriculture and real estate, where US land is typically measured in acres and most of the rest of the world uses hectares. Hectare is most often used for reporting farmland and crop area in international agricultural statistics.
Formula
roods = hectares × 9.88421525869
This factor comes from each unit's defined relationship to the category's base unit: 1 hectare equals 10000 base units, and 1 rood equals 1011.7141056 base units, so dividing one by the other gives the direct hectare-to-rood factor of 9.88421525869.
Simple example
1 ha × 9.884215259 = 9.884215259 rood
1 hectare = 9.884215259 roods.
Real-world example
10 ha × 9.884215259 = 98.84215259 rood
10 hectares = 98.84215259 roods.
Conversion table
| Hectare (ha) | Rood (rood) |
|---|---|
| 1 ha | 9.884215259 rood |
| 5 ha | 49.42107629 rood |
| 10 ha | 98.84215259 rood |
| 25 ha | 247.1053815 rood |
| 50 ha | 494.2107629 rood |
| 100 ha | 988.4215259 rood |
Reverse conversion: Rood to Hectare
9.884215259 rood × 0.1011714106 = 1 ha
9.884215259 roods = 1 hectares.
hectares = roods × 0.10117141056
For a page dedicated to this direction, see Rood to Hectare.
Understanding the Hectare
Hectare (ha) measures area. A hectare is exactly 10,000 square meters — the area of a 100 m × 100 m square. It is classified as a non-SI metric unit accepted for use with SI.
Where it's used: Used worldwide, especially in agriculture, forestry, and land statistics outside the US
Uses of the Hectare today
- Reporting farmland and crop area in international agricultural statistics
- Forestry and land-use planning
- Real estate and cadastral survey in metric countries
History of the Hectare
The hectare derives from the 'are,' a metric area unit (100 m²) introduced during the French Revolutionary metric reforms of the 1790s. 'Hecto-' is simply the SI prefix for 100, so a hectare is 100 ares.
Although not itself an SI unit, the hectare is officially accepted for use alongside SI units by the BIPM because of its practical importance in land measurement, and it remains the standard land-area unit in most of the world.
Historical origin. Hectare was not the invention of a single named person; it developed through the process described above.
Understanding the Rood (rood)
A rood is one quarter of an acre.
Hectare — sources
- BIPM SI Brochure, 9th edition — Non-SI units accepted for use with SI — Lists the hectare as an accepted non-SI unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many roods are in 1 hectare?
1 hectare equals 9.884215259 roods, using the exact defined conversion factor rather than an estimate.
How do I convert hectare to rood?
Multiply the hectare value by 9.884215259. The converter above does this instantly to whatever precision you set.
How do I convert rood back to hectare?
Use the reverse factor: 1 rood equals 0.1011714106 hectares. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectare?
Hectare (ha) measures area. A hectare is exactly 10,000 square meters — the area of a 100 m × 100 m square. It is classified as a non-SI metric unit accepted for use with SI.
What is a rood?
Rood (rood) is a unit of area.
Is the hectare to rood conversion exact?
Yes. A hectare is exactly 10,000 square meters — the area of a 100 m × 100 m square. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the hectare still used today?
Used worldwide, especially in agriculture, forestry, and land statistics outside the US