Hectare to Decare Converter
Convert Hectare (ha) to Decare (daa) instantly. 1 ha = 10 daa.
Area Converter
20 units available
1 ha = 10 daa
Formula:
daa = ha × 10With your value: 1 ha = 10 daa
How big is that?
Everyday references on a logarithmic scale, all expressed in hectare so you can sanity-check the result.
Other Hectare to Decare conversions
Hectare to Decare Conversion Table
| Hectare (ha) | Decare (daa) |
|---|---|
| 0.5 | 5 |
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 15 | 150 |
| 20 | 200 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1,000 |
| 250 | 2,500 |
| 500 | 5,000 |
| 1000 | 10,000 |
Decare to Hectare Conversion Table
| Decare (daa) | Hectare (ha) |
|---|---|
| 0.5 | 0.05 |
| 1 | 0.1 |
| 2 | 0.2 |
| 5 | 0.5 |
| 10 | 1 |
| 15 | 1.5 |
| 20 | 2 |
| 25 | 2.5 |
| 50 | 5 |
| 100 | 10 |
| 250 | 25 |
| 500 | 50 |
| 1000 | 100 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Hectare (ha)
Area
Derived from the square metre via the length definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Decare (daa)
Area
Derived from the square metre via the length definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Hectare to Decare
To convert from Hectare (ha) to Decare (daa), multiply the value by 10.
Formula: daa = ha × 10
Reverse: ha = daa × 0.1
Step-by-Step Example
- Start with your value in Hectare. For example: 5 ha
- Multiply by the conversion factor: 5 x 10
- The result is: 50 daa
About Hectare
The hectare equals 10,000 square meters or about 2.471 acres. It is the primary unit for land measurement in most countries.
Common uses: agriculture, forestry, land planning.
About Decare
The decare (daa) is a unit of area. One decare equals 1000 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: area calculations, engineering and science, education.
Frequently Asked Questions
How many Decare are in 1 Hectare?
There are exactly 10 Decare in 1 Hectare. This means the conversion factor from Hectare to Decare is 10.
What is the formula to convert Hectare to Decare?
The formula to convert Hectare to Decare is: daa = ha × 10. For example, to convert 10 Hectare to Decare, you would multiply 10 by 10.
What is a Hectare?
The hectare equals 10,000 square meters or about 2.471 acres. It is the primary unit for land measurement in most countries.
What is a Decare?
The decare (daa) is a unit of area. One decare equals 1000 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Hectare?
The Hectare is commonly used in agriculture, forestry, land planning.
Related Area Conversions
Cite this page
UnitConvertLab. (2026). Hectare to Decare converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/hectare-to-decare