Skip to content
TRACEKEEPERS
Menu
← Back to the collection

SUMER · NIPPUR · LENGTH PATTERN

Nippur Cubit

The agreement is engraved in the metal

The markings on a rod of approximately 110 centimetres allow for the identification of a cubit measure of approximately 51.8 centimetres.

Museum documentation · free public access, no account required.

PHOTOGRAPH OF THE ORIGINAL · İstanbul Arkeoloji Müzeleri · CC BY-SA 4.0

Documentary original · Exact correspondence

Documentary photograph of the original or the exact site.

Aeroid/Wikimedia Commons · Istanbul Arkeoloji Müzeleri · CC BY-SA 4.0

Front view of the complete Nippur metal staff, with its markings; photograph of the original.
PHOTOGRAPH OF THE ORIGINAL · İstanbul Arkeoloji Müzeleri · CC BY-SA 4.0

Documentary original · Exact correspondence

Documentary photograph of the original or the exact site.

Aeroid/Wikimedia Commons · Istanbul Arkeoloji Müzeleri · CC BY-SA 4.0

History and context

A Nippur copper bar bears several marks. It is not necessary to measure it from end to end to find the cubit: the approximately 51,8 centimeters are reconstructed from certain intervals of its scale. The entire object reaches about 110 centimeters. Studies place it in the 3rd millennium BCE, usually towards 2650 BCE, among the material testimonies of oldest preserved length patterns.

The extraordinary thing is not that a person knew how to measure with his arm. It is that a reference could still be available when that person was no longer there. A pattern allows you to compare jobs and review differences without starting from scratch; It also gives power to those who guard the measure. Nippur and the Rule of Maya illustrate different solutions to that problem, separated by more than a millennium. Their close lengths do not prove a single world system or a direct transmission between both pieces.

Evidence and interpretation

The PTB and the Saxony-Anhalt Archaeological Service document the ≈51,8 cm unit and distinguish the complete bar. A three-dimensional documentation study of the piece proposes ≈2650 BCE 'One of the oldest preserved standards' is not equivalent to knowing the first measurement of humanity.

Catalogue facts

Date
III millennium BCE · usually towards 2650 BCE; approximate
Location
Nippur southern Mesopotamia, present-day Iraq
Unit and support
Cubit ≈51.8 cm · complete bar ≈110 cm
Material
Copper/copper alloy
Compare · Egypt
Small cubit ≈45 cm: 6 palms / 24 digits. Royal cubit ≈52.3–52.5 cm: 7 palms / 28 digits. Maya’s example measures 52.3 cm.
Compare Nippur
≈51,8 cm between reference marks; The complete bar measures about 110 cm. They are not two measurements of the same section.
Compare · Mesopotamia
The historical tables also record ≈53,3 cm and ≈49,6 cm for the so-called Babylonian/Lagash cubit. They should not apply to all of Mesopotamia or to any date.
Compare Persia
≈50 cm in comparative tables; at Persepolis, patterns of ≈52,1–52,2 cm have been reconstructed from architectural marks. ‘Persian’ does not identify a single longitude.
Compare · Greek worlds
≈46,3 cm for one of the variants; There were other local patterns as well. The word pēchys does not by itself guarantee a universal conversion.
Compare · Rome
≈44,4 cm for the cubitus of 6 palms / 24 fingers, equivalent to a Roman foot and a half.
Compare · Later Arab traditions
The tables distinguish, among other variants, a black cubit of ≈54 cm and a hāšimī of ≈65 cm. They are not Sumerian or Egyptian pharaonic units, nor should they be automatically confused with the one attributed to Omar.
How to read these equivalences
They are modern approximations of patterns from different periods and uses. Tunisia, Morocco, Calcutta and Ceylon also had local measures: without dating them and identifying their use, assigning each territory a single number is misleading.

A SHARED TOPIC, DIFFERENT MOMENTS

Objects connected through time

Follow a topic across the collections. A shared tag is a way to compare objects, not proof that one culture influenced another.

The order uses the midpoint of each approximate date range; ranges can overlap. Spacing does not represent elapsed time. Swipe, scroll or use the arrows. With the sequence focused, use ← / →, Home or End.

Copper and its alloys8 dated objects

2 / 8In the centre: Nippur Cubit

Also connected, without a comparable date (3)

These objects are not placed after the others: an unknown date does not mean a more recent object.

A closer look

About 1 min to read · 1 section. Further reading and sources · free access. Editorial review recorded: .

Measure an ancient measuring instrument today

Duran and Aydar published in 2012 a three-dimensional documentation of the bar that combines proximity photogrammetry and laser scanning. They compared the results of both techniques to register the object preserved in the Istanbul Archaeological Museum. The study adds another layer to its story: an old reference becomes the subject of new measurements. A digital model allows you to retrace its geometry without continuously manipulating the original copper, and makes explicit that documenting a scale also requires choosing methods and instruments.

Location and territory

Physical world map with routes of human evolutionPresent-day world coastline from Natural Earth in an equirectangular projection. The overlaid markers let you explore each milestone.Map base: Natural Earth 1:110m · public domain · present-day reference coastline

APPROXIMATE LOCATION

Nippur · IraqLocation of the site, not a discovery point or place of current custody.

Where it is held

İstanbul Arkeoloji Müzeleri collection of the Ancient East

Item or group in the record · Documented collection

Istanbul · documented custody by the PTB and the study of the piece; unverified inventory number.

The holding institution is documented; public display may change. Check its official record before visiting.

Sources and references

Consult the documentation for this part

Did you enjoy this exhibit?

Your opinion helps us improve the museum. You can change it whenever you like.

Loading your rating…