Grão. Conversion Chart

This conversion page features historical units (ancient, medieval, etc.) that are mostly no longer in use. If you are looking for units of weight that are used today, including many national units of various countries, please switch to our main weight and mass conversion page.
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1This is a conversion chart for grão (Old Portuguese). To switch the unit simply find the one you want on the page and click it.
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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

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Metric

We only include several basic units here for you to convert historical units to contemporary ones. A more comprehensive list of metric units is available on the main weight conversion page.
grão to tonne
grão to kilogram (kg)
grão to gram (g)
Units: tonne  / kilogram (kg)  / gram (g)
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Avoirdupois (U.S.)

We only include several basic units here for you to convert historical units to contemporary ones. A more comprehensive list of U.S. units is available on the main weight conversion page.
grão to short ton (US)
grão to pound (lb)
grão to ounce (oz)
Units: short ton (US)  / pound (lb)  / ounce (oz)
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Ancient Greek (Attic/Eubolic standard)

Many ancient weights were associated with currency designating the corresponding amount of silver. The same was true for Greek units of weight. There were two dominant weight standard, one originated in Euboea (second largest Greek island after Crete), the other was from Aegina. Archeologists have found though the real weights used in different cities varied greatly.
grão to talent (τάλαντον)
grão to mina (μνᾶ)
grão to dekadrachm (δεκάδραχμον, 10 drachmae)
grão to tetradrachm (τετράδραχμον, 4 drachmae)
grão to didrachm (δίδραχμον, 2 drachmae)
grão to stater (στατήρ, weight)
grão to drachma (δραχμή, dram)
grão to tetrobol (τετρώβολον, 4 obols)
grão to triobol (τριώβολον, 3 obols)
grão to diobol (διώβολον, 2 obols)
grão to obol (ὀβολός)
grão to tritartemorion (τριτημόριον, 3 tetartemoria)
grão to hemiobol (ἡμιωβόλιον, ½ obol)
grão to trihemitetartemorion (τριημιτεταρτημόριον, 1½ tetartemorion)
grão to tetartemorion (ταρτημόριον, ¼ obol)
grão to hemitetartemorion (ἡμιτεταρτημόριον, ½ tetartemorion)
Units: talent (τάλαντον)  / mina (μνᾶ)  / dekadrachm (δεκάδραχμον, 10 drachmae)  / tetradrachm (τετράδραχμον, 4 drachmae)  / didrachm (δίδραχμον, 2 drachmae)  / stater (στατήρ, weight)  / drachma (δραχμή, dram)  / tetrobol (τετρώβολον, 4 obols)  / triobol (τριώβολον, 3 obols)  / diobol (διώβολον, 2 obols)  / obol (ὀβολός)  / tritartemorion (τριτημόριον, 3 tetartemoria)  / hemiobol (ἡμιωβόλιον, ½ obol)  / trihemitetartemorion (τριημιτεταρτημόριον, 1½ tetartemorion)  / tetartemorion (ταρτημόριον, ¼ obol)  / hemitetartemorion (ἡμιτεταρτημόριον, ½ tetartemorion)
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Ancient Greek (Aeginetic standard)

During ancient times Aegina was a rival of Athens, the great sea power of the era.
grão to talent (τάλαντον)
grão to mina (μνᾶ)
grão to dekadrachm (δεκάδραχμον, 10 drachmae)
grão to tetradrachm (τετράδραχμον, 4 drachmae)
grão to didrachm (δίδραχμον, 2 drachmae)
grão to stater (στατήρ, weight)
grão to drachma (δραχμή, dram)
grão to tetrobol (τετρώβολον, 4 obols)
grão to triobol (τριώβολον, 3 obols)
grão to diobol (διώβολον, 2 obols)
grão to obol (ὀβολός)
grão to tritartemorion (τριτημόριον, 3 tetartemoria)
grão to hemiobol (ἡμιωβόλιον, ½ obol)
grão to trihemitetartemorion (τριημιτεταρτημόριον, 1½ tetartemorion)
grão to tetartemorion (ταρτημόριον, ¼ obol)
grão to hemitetartemorion (ἡμιτεταρτημόριον, ½ tetartemorion)
Units: talent (τάλαντον)  / mina (μνᾶ)  / dekadrachm (δεκάδραχμον, 10 drachmae)  / tetradrachm (τετράδραχμον, 4 drachmae)  / didrachm (δίδραχμον, 2 drachmae)  / stater (στατήρ, weight)  / drachma (δραχμή, dram)  / tetrobol (τετρώβολον, 4 obols)  / triobol (τριώβολον, 3 obols)  / diobol (διώβολον, 2 obols)  / obol (ὀβολός)  / tritartemorion (τριτημόριον, 3 tetartemoria)  / hemiobol (ἡμιωβόλιον, ½ obol)  / trihemitetartemorion (τριημιτεταρτημόριον, 1½ tetartemorion)  / tetartemorion (ταρτημόριον, ¼ obol)  / hemitetartemorion (ἡμιτεταρτημόριον, ½ tetartemorion)
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Ancient Roman

The base Roman unit of weight was libra (Roman pound) that contained 12 uncias. Modern estimates of the libra ranges from 322 to 329 grams with 328.9 grams an accepted figure. The base unit for coins was as that used to be 12 uncias initially and then gradually reduced to only half an uncia. Another silver coin was called denarius equal to 10 asses (from Latin dēnī - containing ten), it was later recalibrated to contain 16 asses or four sestertii. A literal meaning of each unit is given in parentheses.
grão to libra (Roman pound, balance)
grão to deunx (11⁄12 libra, less a twelfth)
grão to dextans (10⁄12 libra, less a sixth)
grão to dodrans (9⁄12 libra, less a fourth)
grão to bes (8⁄12 libra, two of an as)
grão to septunx (7⁄12 libra, seven-twelfths)
grão to semis (6⁄12 libra, a half)
grão to quincunx (5⁄12 libra, five-twelfths)
grão to triens (4⁄12 libra, a third)
grão to quadrans (1⁄4 libra, a fourth)
grão to teruncius (3⁄12 libra, triple twelfth)
grão to sextans (2⁄12 libra, a sixth)
grão to sescuncia (1⁄8 libra, 1½ twelfths)
grão to uncia (Roman ounce, a twelfth)
grão to semuncia (½ uncia, half-twelfth)
grão to duella (⅓ uncia, little double [sixths])
grão to sicilicus (¼ uncia, little sickle)
grão to sextula (1⁄6 uncia, little sixth)
grão to drachma (1⁄8 uncia, from Greek unit δραχμή)
grão to semisextula (1⁄12 uncia, half-little sixth)
grão to scrupulum (1⁄24 uncia, small pebble)
grão to obolus (1⁄48 uncia, from Greek unit ὀβολός 'metal spit')
grão to siliqua (1⁄144 uncia, carat, carob seed)
Units: libra (Roman pound, balance)  / deunx (11⁄12 libra, less a twelfth)  / dextans (10⁄12 libra, less a sixth)  / dodrans (9⁄12 libra, less a fourth)  / bes (8⁄12 libra, two of an as)  / septunx (7⁄12 libra, seven-twelfths)  / semis (6⁄12 libra, a half)  / quincunx (5⁄12 libra, five-twelfths)  / triens (4⁄12 libra, a third)  / quadrans (1⁄4 libra, a fourth)  / teruncius (3⁄12 libra, triple twelfth)  / sextans (2⁄12 libra, a sixth)  / sescuncia (1⁄8 libra, 1½ twelfths)  / uncia (Roman ounce, a twelfth)  / semuncia (½ uncia, half-twelfth)  / duella (⅓ uncia, little double [sixths])  / sicilicus (¼ uncia, little sickle)  / sextula (1⁄6 uncia, little sixth)  / drachma (1⁄8 uncia, from Greek unit δραχμή)  / semisextula (1⁄12 uncia, half-little sixth)  / scrupulum (1⁄24 uncia, small pebble)  / obolus (1⁄48 uncia, from Greek unit ὀβολός 'metal spit')  / siliqua (1⁄144 uncia, carat, carob seed)
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Biblical

Israelites initially followed Babylonian system of units, but the units were later altered. There were royal and common versions of units and each of these forms had heavy and light versions. Gradually the system reformed again under the Egyptian influence. For example a shekel (silver coin) could weigh anything between 8 and 16 grams in various places and periods of history. That's why it is impossible get an exact conversion from biblical units to contemporary ones.
grão to talent
grão to mina
grão to shekel
grão to pim
grão to beka
grão to gerah
Units: talent  / mina  / shekel  / pim  / beka  / gerah
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Baha'i Faith Units

The Bahá'í Faith is a religion teaching the essential worth of all religions, and the unity and equality of all people. It was establised in Persia in 1863.
grão to mithqal
grão to nakhud
Units: mithqal  / nakhud
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Old Spanish

grão to tonelada
grão to fanega de trigo (bushel of wheat)
grão to fanega de centeno (bushel of rye)
grão to fanega de cebada (bushel of barley)
grão to quintal
grão to arroba
grão to libra
grão to marco
grão to cuarterón
grão to onza
grão to ochava
grão to adarme
grão to grano
Units: tonelada  / fanega de trigo (bushel of wheat)  / fanega de centeno (bushel of rye)  / fanega de cebada (bushel of barley)  / quintal  / arroba  / libra  / marco  / cuarterón  / onza  / ochava  / adarme  / grano
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Old Portuguese

These units were used in Portugal, Brazil and other countries of the Portuguese Empire until the adoption of the metric system in 19th century.
grão to tonelada
grão to quintal
grão to arroba
grão to arrátel (libra)
grão to quarta
grão to onça
grão to oitava
grão to escrópulo
Units: tonelada  / quintal  / arroba  / arrátel (libra)  / quarta  / onça  / oitava  / escrópulo  /
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Old Russian

grão to berkovets
grão to pood
grão to pound
grão to lot
grão to zolotnik
grão to dolya
Units: berkovets  / pood  / pound  / lot  / zolotnik  / dolya
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Old French

There were many local variations; the following are Quebec and Paris definitions
grão to quintal
grão to livre
Units: quintal  / livre
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Old German (Prussian)

These units were used before adoption of metric system in 1872.
grão to schiffspfund
grão to doppelzentner
grão to zentner
grão to stain
grão to pfund
grão to mark
grão to unze
grão to loth
grão to quentchen
grão to quint
grão to pfennig
grão to gran
Units: schiffspfund  / doppelzentner  / zentner  / stain  / pfund  / mark  / unze  / loth  / quentchen  / quint  / pfennig  / gran
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Old Austrian

These units were used before adoption of metric system in 1871.
grão to karch
grão to saum
grão to zentner
grão to stain
grão to pfund
grão to mark
grão to vierding
grão to unze
grão to loth
grão to quentchen
grão to denzt
Units: karch  / saum  / zentner  / stain  / pfund  / mark  / vierding  / unze  / loth  / quentchen  / denzt
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Old Swedish

Common measurement system was introduced in Sweden by law in 1665. The oldest units like mark were used since Viking era. Sweden switched to metric system in 1889.
grão to skeppspund
grão to lispund
grão to bismerpund
grão to skålpund
grão to mark
grão to ort
Units: skeppspund  / lispund  / bismerpund  / skålpund  / mark  / ort

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