The metric dunam equals 1000 square metres exactly. It is the standard land unit in Israel, Palestine, Turkey and parts of the former Ottoman Empire. Other regional "dunams" have existed historically, but the metric dunam (1000 m²) is the modern standard.
Real-world: An Israeli small farm might be 50 dunams (5 ha). Agricultural yields sometimes quoted per dunam.
Read full dunam reference →The square metre is the SI derived unit of area — the area of a square with 1 m sides. It is the standard unit for property floor area in Europe, Asia and most of the world. European apartments are sold by price per m², and urban land prices are quoted in €/m².
Real-world: A small European studio is 20–30 m². A 3-bedroom flat is typically 80–100 m². A tennis court is 260 m².
Read full square meter reference →