Convert Dunam (Ottoman) to acres
Middle East & North Africa · Middle East Land · historical · colonial
Varies by locality The unit takes different values in different localities. The figure shown is the most widely cited standard, not a legal definition.
1 Dunam (Ottoman) = 0.227164 acres
acres = Dunam (Ottoman) × 0.22716398
Convert any amount
This unit varies by region
Reported range: 919–2500 m². Confirm the local standard before using this figure in a contract, land record or trade document.
- Dunam (Ottoman) (Ottoman Empire): 919.3 square metre
- Dunam (Metric) (Modern Standard): 1,000 square metre
- Dunam (Iraqi) (Iraq): 2,500 square metre
Dunam (Ottoman) to acres table
| Dunam (Ottoman) | acres |
|---|---|
| 0.25 Dunam (Ottoman) | 0.056791 acres |
| 0.5 Dunam (Ottoman) | 0.113582 acres |
| 1 Dunam (Ottoman) | 0.227164 acres |
| 2 Dunam (Ottoman) | 0.454328 acres |
| 3 Dunam (Ottoman) | 0.681492 acres |
| 4 Dunam (Ottoman) | 0.908656 acres |
| 5 Dunam (Ottoman) | 1.13582 acres |
| 10 Dunam (Ottoman) | 2.27164 acres |
| 20 Dunam (Ottoman) | 4.54328 acres |
| 25 Dunam (Ottoman) | 5.6791 acres |
| 50 Dunam (Ottoman) | 11.3582 acres |
| 100 Dunam (Ottoman) | 22.7164 acres |
About the Dunam (Ottoman)
Ottoman standard. Modern metric dunam = 1000 m².
- Symbol
- dunam
- Value in SI
- 1 Dunam (Ottoman) = 919.3 square metre
- Typical use
- agriculture
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI square metre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other middle east land units in the Middle East & North Africa family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many acres are in a Dunam (Ottoman)?
1 Dunam (Ottoman) = 0.227164 acres. Multiply the number of Dunam (Ottoman) by 0.22716398 to get acres.
What is Dunam (Ottoman) used for?
Ottoman standard. Modern metric dunam = 1000 m². It is classified as historical and dates from the colonial period.
Is the Dunam (Ottoman) value exact?
No. Dunam (Ottoman) varies by locality (919–2500 m²), so treat this conversion as the most widely cited standard rather than a legal definition.
How reliable is this Dunam (Ottoman) conversion?
Varies by locality — The unit takes different values in different localities. The figure shown is the most widely cited standard, not a legal definition. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Dunam (Ottoman) to acres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/dunam-ottoman-to-acre
Report an incorrect value or source
Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.