A rood is one quarter of an acre.
Roods to Hectares Converter — rood to ha
Convert Rood (rood) to Hectare (ha) using the exact conversion factor (1 rood = 0.1011714106 hectare). See the formula, worked examples, conversion table, history, and common uses.
Roods to Hectares 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 hectare is 10,000 square meters.
Result = input x 1011.714106 / 10000.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Roods to Hectares
Comparing Rood and Hectare 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. Specifically: A rood is one quarter of an acre, and a hectare is 10,000 square meters.
Formula
hectares = roods × 0.10117141056
This factor comes from each unit's defined relationship to the category's base unit: 1 rood equals 1011.7141056 base units, and 1 hectare equals 10000 base units, so dividing one by the other gives the direct rood-to-hectare factor of 0.10117141056.
Simple example
1 rood × 0.1011714106 = 0.1011714106 ha
1 rood = 0.1011714106 hectares.
Real-world example
10 rood × 0.1011714106 = 1.011714106 ha
10 roods = 1.011714106 hectares.
Conversion table
| Rood (rood) | Hectare (ha) |
|---|---|
| 1 rood | 0.1011714106 ha |
| 5 rood | 0.5058570528 ha |
| 10 rood | 1.011714106 ha |
| 25 rood | 2.529285264 ha |
| 50 rood | 5.058570528 ha |
| 100 rood | 10.11714106 ha |
Reverse conversion: Hectare to Rood
0.1011714106 ha × 9.884215259 = 1 rood
0.1011714106 hectares = 1 roods.
roods = hectares × 9.88421525869
For a page dedicated to this direction, see Hectare to Rood.
Understanding the Rood (rood)
A rood is one quarter of an acre.
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.
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 hectares are in 1 rood?
1 rood equals 0.1011714106 hectares, using the exact defined conversion factor rather than an estimate.
How do I convert rood to hectare?
Multiply the rood value by 0.1011714106. The converter above does this instantly to whatever precision you set.
How do I convert hectare back to rood?
Use the reverse factor: 1 hectare equals 9.884215259 roods. You can also use the swap control in the converter above to flip the direction instantly.
What is a rood?
Rood (rood) is a unit of area.
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.
Is the rood to hectare 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.