Convert Arpent (French) to Feddan
Convert arpents to feddans instantly. 1 arpent (french) = 1.0048014321 feddan — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Feddan to Arpent (French) converter for the reverse conversion.
Units explained
Arpent (French)
A French arpent is a historical unit of land area used in pre-metric France, approximately 4221 m² (close to one acre).
Originated as a medieval French land unit; varied considerably by province. The 'arpent de Paris' was officially fixed at 100 perches squared, the perche being 18 pieds.
French arpents appear in pre-revolutionary French land records and in genealogical research. The unit was largely abolished after the French Revolution in favor of metric units.
Medieval French origin; abolished after the French Revolution in favor of metric.
Feddan
A feddan is an Egyptian unit of land area equal to approximately 4200.83 m² (about 1.038 acres). Used in Egypt, Sudan, Syria, and Oman.
Originated as an Egyptian agricultural unit. Standardized at 4200.83 m² in modern Egyptian law (specifically, 333.33 qasaba squared).
Feddans are the primary unit for agricultural land in Egypt and several Arab countries. The conversion to hectares (1 feddan ≈ 0.42 hectare) is widely known regionally.
Standardized in modern Egyptian land law.
Arpent (French) to Feddan conversion formula
The relationship between arpents and feddans:
To convert arpents to feddans, multiply the value in arpents by 1.0048014321. To reverse, multiply feddans by 0.9952215115.
How to use this converter
Type a value into the calculator. The result in feddans updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Feddan to Arpent (French) converter for the reverse direction.
Step-by-step: convert arpents to feddans
- Write down the value in arpents (arpent).
- Multiply that value by the factor 1.0048014321.
- The product is the equivalent value in feddans (feddan).
- To reverse, multiply the feddan value by 0.9952215115.
Worked examples
Example 1 — Convert 1 arpent to feddan:
1 × 1.0048014321 = 1.0048014321 feddan
Example 2 — Convert 100 arpent to feddan:
100 × 1.0048014321 = 100.4801432098 feddan
Real-world example — Coastal cruise distances
A 10-arpent (french) coastal sailing route converts to a different value in feddans — useful for cruise operators who switch between maritime, aviation, and road-distance units depending on the leg of the trip.
10 arpent × 1.0048014321 = 10.048014321 feddan
Real-world example — Road-sign distances across systems
A 100-arpent (french) road sign converts cleanly into feddans — exactly the conversion drivers planning trips abroad rely on when reading road signs in a different measurement system.
100 arpent × 1.0048014321 = 100.4801432098 feddan
Real-world example — Endurance race distances
A 50-arpent (french) cycling or running race converts to a recognizable distance in feddans. Endurance athletes coming from a different measurement system use this conversion to compare training plans across regions.
50 arpent × 1.0048014321 = 50.2400716049 feddan
Arpent (French) to Feddan conversion table
Standard reference values for converting arpents to feddans:
| Arpent (French) [arpent] | Feddan [feddan] |
|---|---|
| 0.01 | 0.0100480143 |
| 0.1 | 0.1004801432 |
| 1 | 1.0048014321 |
| 2 | 2.0096028642 |
| 3 | 3.0144042963 |
| 4 | 4.0192057284 |
| 5 | 5.0240071605 |
| 10 | 10.048014321 |
| 20 | 20.096028642 |
| 30 | 30.1440429629 |
| 40 | 40.1920572839 |
| 50 | 50.2400716049 |
| 100 | 100.4801432098 |
| 500 | 502.400716049 |
| 1000 | 1004.8014320979 |
Frequently asked questions
How many feddans is 1 arpent (french)?
How do I convert arpents to feddans?
How do I convert feddans back to arpents?
How many feddans is 100 arpents?
Popular area unit conversions
Convert Arpent (French) to other area units
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Other Regional (9 units)
Sources & references
Conversion factor (1 arpent = 1.0048014321 feddan) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.