Modern Romanian land administration is strictly metric. The land book, cadastral documentation, notarial deeds and tax records all express area in square metres (mp), with the hectare (ha) — 10,000 m² — as the working unit for farmland. Between them sits the ar: 100 m², so 100 ari make a hectare. Rural Romanians use ari constantly in conversation — "the garden is 15 ari" (1,500 m²) — and village sale listings are commonly priced per ar, while city plots are priced per square metre. If you internalize just one habit, make it this: ar × 100 = square metres, and 10,000 m² = 1 ha ≈ 2.47 acres.
For English speakers, the friction is usually acre-thinking. A hectare is about two and a half acres; a typical restituted family field parcel of 0.3–1 ha is small by farming standards, and "5,000 m²" — half a hectare — is a generous village building plot. Prices quoted per ar can make cheap land sound expensive and vice versa; always convert to a per-square-metre or per-hectare figure before comparing anything.
| Unit | Approximate size | Where you meet it |
|---|---|---|
| Pogon | ≈ 5,000 m² (about half a hectare) | Wallachia and the south; very common in speech and in old deeds |
| Iugăr (jugăr) | ≈ 5,755 m² (0.58 ha) | Transylvania — the Austro-Hungarian cadastral yoke, standard in old Transylvanian land books |
| Falce (falcie) | ≈ 14,300 m² (1.43 ha) | Moldova (the eastern region), in historical documents |
| Prăjină | ≈ 180–210 m², varies by region | Small garden plots in speech and very old papers |
| Stânjen (fathom) | ≈ 1.9–2.0 m of length; areas in square stânjeni | Pre-metric deeds; the base unit the pogon and iugăr were built from |
| Ar | exactly 100 m² | Everywhere, still official and current |
You will meet pogoane and iugăre in three places: family lore ("grandfather had six pogoane by the river"), pre-war and Austro-Hungarian era documents, and the mental arithmetic of older sellers. Transylvania is iugăr country — its historical land books were kept under the Austro-Hungarian system — while the south thinks in pogoane. The conversions above are deliberately approximate: these units varied by region and era, which is precisely why the metric system replaced them.
Here is the point that protects your money: no unit on paper decides how much land you actually get — measurement does. Romanian practice distinguishes the area in documents (suprafața din acte) from the measured area (suprafața măsurată), and on land inherited or restituted from old records the two routinely differ, sometimes by a lot. When land is first registered, the measured area becomes the legal one within the tolerances the regulations allow. A seller offering "two pogoane, about a hectare" may control 8,700 m² or 11,200 m²; at any serious price per square metre, that spread is real money. The answer is never a better conversion table — it is a measurement.
One more vocabulary pair worth knowing, because it changes value more than any unit: intravilan (inside the built-up zone, generally buildable) versus extravilan (outside it, agricultural, with restrictions on building and its own sale procedure). A hectare of intravilan and a hectare of extravilan are the same area and utterly different assets. Our glossary of Romanian land terms covers the rest of the dictionary.
Possibly neither — the fence line is a third opinion. The registered, measured area in the land book is what the law recognizes; where the land was never properly measured, a survey settles it before you price the deal. We measure exactly for this situation constantly.
GNSS and total-station measurements in the national coordinate system are accurate to centimetres — area uncertainty on a normal parcel is trivial compared to the discrepancies old documents carry. The tolerance rules exist for reconciling old registrations, not because modern measurement is vague.
The Austro-Hungarian cadastral iugăr was standardized at 1,600 square stânjeni, about 5,755 m², and that is the figure for reading old Transylvanian land books. Colloquial usage was looser. Treat any old-unit figure as an estimate to be verified, never as a contractual quantity.
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