🗺️ Acres to Dunam (Donum) Converter

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Converted Value
4.04686

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⚡ Acres to Dunam (Donum): the quick answer

1 ac = 4.04686 dunam 1 acre equals 4.04686 dunam (donum)

To convert acres to dunam (donum), multiply the value by 4.04686. To go the other way, multiply dunam (donum) by 0.247105 to get acres.

↔ Convert dunam (donum) to acres instead

🧮 Formula

Acres to Dunam (Donum)
dunam = ac × 4.04686
Dunam (Donum) to Acres
ac = dunam × 0.247105

Where

  • ac = the area in acres
  • dunam = the area in dunam (donum)
Every unit here is defined by its area in square meters, so the conversion factor is (square meters per acre) ÷ (square meters per dunam (donum)).

📊 Acres to Dunam (Donum) conversion table

Acres (ac)Dunam (Donum) (dunam)
1 ac4.04686 dunam
2 ac8.09371 dunam
5 ac20.2343 dunam
10 ac40.4686 dunam
20 ac80.9371 dunam
50 ac202.343 dunam
100 ac404.686 dunam
500 ac2,023.43 dunam
1,000 ac4,046.86 dunam

✏️ Worked examples

Convert 25 acres to dunam (donum)

25 ac × 4.04686 = 101.171 dunam

Try this example →

Convert 250 acres to dunam (donum)

250 ac × 4.04686 = 1,011.71 dunam

Try this example →

📘 About these units

Acre (ac). An acre is 43,560 square feet (4,046.8564 m²), used for land in the US, UK, India, Canada and Australia.

Dunam (donum) (dunam). The metric dunam is exactly 1,000 m² (one decare), used in Turkey, Israel, Palestine, Jordan, Lebanon and Syria. Used in: Asia — Middle East (dunam).

❓ Frequently asked questions

How many dunam (donum) are in one acre?

There are 4.04686 dunam (donum) in one acre.

How do I convert acres to dunam (donum)?

Multiply the number of acres by 4.04686. For example, 10 acres equal 40.4686 dunam (donum).

How many acres are in one dunam (donum)?

One dunam (donum) equals 0.247105 acres.

What people are saying
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Anonymous · 04 Oct 2026