Stremma

The ancient Greek equivalent was the square plethron, which served as the Greeks' form of the acre. It was originally defined as the area plowed by a team of oxen in a day^[1] but was nominally standardised as the area enclosed by a square 100 Greek feet (pous) to a side. It was the size of a Greek wrestling square.

The Byzantine or Morean stremma continued to vary depending on the period and the quality of the land, but usually enclosed an area between 900 to 1 900 m².^[2] It was also originally known as a "plethron" but this was replaced during Byzantine times by the word "stremma", derived from the verb for "turning" the ground with a plough.^[3]

The Ottoman stremma or Turkish stremma, is the Greek (and occasionally English) name for the dunam, which is probably derived from the Byzantine unit.^[4] Again, this varied by region: some values include 1 270 m²,^[5] and 1 600 m².^[6]

• 1 E3 m² for further comparisons
• Byzantine units
• Conversion of units
• Greek units
• Metric units