The distinctive point
Egyptian iteru: a value with room for evidence
The distinctive point is the uncertainty, not just the headline magnitude. The matrix carries ± 11.2 m and names the basis as twenty-thousand-royal-cubits. That keeps comparison possible without pretending that every specimen, survey, or period produced one perfect constant.
Basis: twenty-thousand-royal-cubits. Check the record source.
- smallerEgyptian khet200 × Egyptian khet
What this unit was
Egyptian iteru is modelled here as a length standard of the Egyptian tradition, associated with Egypt during Pharaonic representative. The converter represents one iteru as 10474.968 m; its basis is twenty-thousand-royal-cubits. The matrix carries an indicative uncertainty of ± 11.2 m.
Within that setting, the unit belonged to a working system for survey, building, travel, and the organisation of built space. It should be read with its period, locality, and evidential basis attached, not as a universal value shared by every culture using a similar name.
Evidence of use and sources
The working value is traceable to UCL Digital Egypt, length. Its record is classified as medium confidence and uses the stated basis rather than an assumed culture-wide constant.
Three directly pertinent excerpts from the supplied library are available.
“Finally the royal cubit of 28 digits”
Flinders Petrie, Ancient Weights and Measures, PDF p. 48. Egyptian linear subdivision
“These various lengths are evidently other standards”
Flinders Petrie, Ancient Weights and Measures, PDF p. 48. coexisting standards
“they us'd two sorts of Cubits”
Tables of antient coins, weights, and measures, PDF p. 95. historical cubit variation
Working definition
Egyptian iteru is represented as a Egyptian standard associated with Egypt during Pharaonic representative.
The converter uses 10474.968 m per unit with indicative matrix uncertainty ± 11.2 m.
How to use it
Basis: twenty-thousand-royal-cubits; confidence: medium. A shared historical name does not make this value portable to another period or polity.
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