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mass · Ancient Egypt · Antiquity

deben

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Record
M159
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Never attach one universal gram value to generic deben; surface period/material variants.

Definition

UCL records Old/Middle Kingdom gold deben about 12–14 g and copper deben about 27 g; New Kingdom system used a deben about 91 g divided into 10 qedet/kite.

Reference value

12–14 g; 27 g; later ≈91 g

History & use

The same name changed materially across periods and commodity standards.

Modern use

Retained primarily for historical, educational, or reference use rather than as a current standardized calculator unit.

Did you know?

The deben could function in both concrete weighing and later value calculations, but Egyptian sources distinguished weight from abstract value.

Documented variants

mass · Ancient Egypt · Ancient

Surviving evidence places one Egyptian gold deben (Old/Middle Kingdom range) between 0.012 and 0.014 kilograms. It is recorded as a range because the documented values were not uniform.

range

Sources & evidence

Related measurements

mass · International · Modern

1 g = 0.001 kg.

mass · International · Modern

SI base unit of mass. The Planck constant is fixed exactly at 6.62607015×10^-34 J·s, which defines the kilogram through the metre and second.

mass · International · Modern

1 tonne = 1000 kg.

mass · UK / US · Modern / historical

1 avoirdupois ounce = exactly 1/16 international pound = 0.028349523125 kg.

mass · UK / US · Modern / historical

1 international avoirdupois pound = exactly 0.45359237 kg.

mass · UK / US · Modern / historical

1 stone = 14 lb = exactly 6.35029318 kg using the international pound.

mass · International · Modern

Dalton/u is 1/12 of the mass of a free carbon-12 atom in its ground state. CODATA 2022: 1.66053906892(52)×10^-27 kg.

approx.

mass · Ancient Greece / Rome · Antiquity

Greek talent was not one universal standard.

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