oz - Fluid Ounce. 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 area that are used today, including many national units of various countries, please switch to our main volume conversion page.
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1This is a conversion chart for fluid ounce (U.S. Measure). To switch the unit simply find the one you want on the page and click it.
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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 volume conversion page.
fluid ounce to cubic meter (m³)
fluid ounce to cubic centimeter (cc)
fluid ounce to cubic millimeter (mm³)
fluid ounce to liter (l)
fluid ounce to milliliter (ml)
Units: cubic meter (m³)  / cubic centimeter (cc)  / cubic millimeter (mm³)  / liter (l)  / milliliter (ml)
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U.S. Measure

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 volume conversion page.
fluid ounce to barrel (liquid)
fluid ounce to barrel (dry)
fluid ounce to bushel (bu)
fluid ounce to gallon (liquid) (gal)
fluid ounce to gallon (dry) (gal)
fluid ounce to pint (liquid) (pt)
fluid ounce to pint (dry) (pt)
Units: barrel (liquid)  / barrel (dry)  / bushel (bu)  / gallon (liquid) (gal)  / gallon (dry) (gal)  / pint (liquid) (pt)  / pint (dry) (pt)  /
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Ancient Greeek (Attic) Dry Measure

Greeks mostly used dry capacity units to measure grain. The basic capacity unit was the kyathos. As most ancient measures these units changed over time and varied across different regions of Grece.
fluid ounce to medimnos (μέδιμνος)
fluid ounce to hekteus (ἑκτεύς, a sixth of a medimnos)
fluid ounce to hēmiekton (ἡμίεκτον)
fluid ounce to choinix (χοῖνιξ)
fluid ounce to xestēs (ξέστης, Roman sextarius)
fluid ounce to kotylē or hēmina (κοτύλη, ἡμίνα)
fluid ounce to oxybathon (ὀξυβαθον)
fluid ounce to kyathos (κύαθος)
fluid ounce to kochliarion (κοχλιάριον)
Units: medimnos (μέδιμνος)  / hekteus (ἑκτεύς, a sixth of a medimnos)  / hēmiekton (ἡμίεκτον)  / choinix (χοῖνιξ)  / xestēs (ξέστης, Roman sextarius)  / kotylē or hēmina (κοτύλη, ἡμίνα)  / oxybathon (ὀξυβαθον)  / kyathos (κύαθος)  / kochliarion (κοχλιάριον)
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Ancient Greek (Attic) Liquid Measure

A common unit in both liquid and dry capacity throughout historic Greece was the cotyle or cotyla whose absolute value varied from one place to another between 210 ml and 330 ml.
fluid ounce to metrētēs (μετρητής, amphora)
fluid ounce to keramion (κεράμιον, Roman amphora)
fluid ounce to chous (χοῦς)
fluid ounce to xestēs (ξέστης, Roman sextarius)
fluid ounce to kotylē, tryblion or hēmina (κοτύλη, τρύβλιον, ἡμίνα)
fluid ounce to tetarton, hēmikotylē (τέταρτον, ἡμικοτύλη)
fluid ounce to oxybathon (ὀξυβαθον)
fluid ounce to kyathos (κύαθος)
fluid ounce to konchē (κόγχη)
fluid ounce to mystron (μύστρον)
fluid ounce to chēmē (χήμη)
fluid ounce to kochliarion (κοχλιάριον, spoon)
Units: metrētēs (μετρητής, amphora)  / keramion (κεράμιον, Roman amphora)  / chous (χοῦς)  / xestēs (ξέστης, Roman sextarius)  / kotylē, tryblion or hēmina (κοτύλη, τρύβλιον, ἡμίνα)  / tetarton, hēmikotylē (τέταρτον, ἡμικοτύλη)  / oxybathon (ὀξυβαθον)  / kyathos (κύαθος)  / konchē (κόγχη)  / mystron (μύστρον)  / chēmē (χήμη)  / kochliarion (κοχλιάριον, spoon)
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Ancient Roman Measure (Liquid and Dry)

Roman jar (amphora quadrantal) was the main unit to measure both liquids and dry substances in Roman empire. It was defined to be equal to one cubic pes (Roman foot). The weight of water to fill the amphora was roughly equal to one Greek talent, an ancient unit of weight.
fluid ounce to culeus (hose)
fluid ounce to amphora quadrantal (Roman jar, bushel)
fluid ounce to urna (urn)
fluid ounce to modius castrensis (military modius)
fluid ounce to modius (peck)
fluid ounce to semimodius (half of a modius)
fluid ounce to congius (a half-pes cube)
fluid ounce to sextarius (a sixth)
fluid ounce to hemina (pint)
fluid ounce to cotyla (cup)
fluid ounce to triens (one third of a sextarius)
fluid ounce to quartarius (quart, forth part)
fluid ounce to sextans (one sixth of a sextarius)
fluid ounce to acetabulum (small cup)
fluid ounce to cyathus (shot or dose)
fluid ounce to ligula (spoonful)
Units: culeus (hose)  / amphora quadrantal (Roman jar, bushel)  / urna (urn)  / modius castrensis (military modius)  / modius (peck)  / semimodius (half of a modius)  / congius (a half-pes cube)  / sextarius (a sixth)  / hemina (pint)  / cotyla (cup)  / triens (one third of a sextarius)  / quartarius (quart, forth part)  / sextans (one sixth of a sextarius)  / acetabulum (small cup)  / cyathus (shot or dose)  / ligula (spoonful)
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Biblical and Talmudic Dry Measure (Old Testament)

Israelite capacity measure tightly corresponded to Babylonian system. The basic unit was log (לג) that was similar to Babylonian mina.
fluid ounce to kor (כור)
fluid ounce to letek (לתך)
fluid ounce to ephah (איפה)
fluid ounce to se'ah (סאה)
fluid ounce to kav (קב)
fluid ounce to log (לג)
fluid ounce to bezah (egg-size)
fluid ounce to kezayit (olive-size, כְּזַיִת)
Units: kor (כור)  / letek (לתך)  / ephah (איפה)  / se'ah (סאה)  / kav (קב)  / log (לג)  / bezah (egg-size)  / kezayit (olive-size, כְּזַיִת)
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Biblical and Talmudic Liquid Measure (Old Testament)

Exact conversion for Biblical units is rarely certain. There were more units mentioned in Talmud, many of them from foreign origin, e.g. Persia or Greece. Unfortunately the capacity of those units is currently unknown.
fluid ounce to bath
fluid ounce to hin
fluid ounce to log
Units: bath  / hin  / log
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Old Spanish Dry Measure

fluid ounce to cahíz
fluid ounce to fanega
fluid ounce to cuartilla (¼ of a fanega)
fluid ounce to celemín
fluid ounce to medio
fluid ounce to cuartillo (¼ of a celemín)
fluid ounce to ochavo
Units: cahíz  / fanega  / cuartilla (¼ of a fanega)  / celemín  / medio  / cuartillo (¼ of a celemín)  / ochavo
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Old Spanish Liquid Measure

fluid ounce to moyo
fluid ounce to cántara
fluid ounce to arroba
fluid ounce to azumbre
fluid ounce to botella
fluid ounce to cuartillo
fluid ounce to copa
fluid ounce to panilla (for olive oil)
fluid ounce to cortadillo
Units: moyo  / cántara  / arroba  / azumbre  / botella  / cuartillo  / copa  / panilla (for olive oil)  / cortadillo
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Old Portuguese Dry Measure

fluid ounce to moio
fluid ounce to fanga
fluid ounce to alqueire
fluid ounce to quarta
fluid ounce to oitava
fluid ounce to maquia
fluid ounce to selamim
fluid ounce to meio-selamim (half-selamim)
fluid ounce to quarto de selamim (quarter of selamim)
Units: moio  / fanga  / alqueire  / quarta  / oitava  / maquia  / selamim  / meio-selamim (half-selamim)  / quarto de selamim (quarter of selamim)
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Old Portuguese Liquid Measure

fluid ounce to tonel
fluid ounce to pipa
fluid ounce to almude
fluid ounce to cântaro
fluid ounce to pote
fluid ounce to canada
fluid ounce to quartilho
fluid ounce to meio-quartilho (half-quartilho)
fluid ounce to quarto de quartilho (quarter of quartilho)
Units: tonel  / pipa  / almude  / cântaro  / pote  / canada  / quartilho  / meio-quartilho (half-quartilho)  / quarto de quartilho (quarter of quartilho)
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Old French

There were many local variations; the following are Quebec and Paris definitions
fluid ounce to minot
fluid ounce to litron
Units: minot  / litron
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Old Russian Dry Measure

fluid ounce to cetverik (mera)
fluid ounce to vedro
fluid ounce to garnetz
Units: cetverik (mera)  / vedro  / garnetz
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Old Russian Liquid Measure

fluid ounce to vedro
fluid ounce to shtoff
fluid ounce to chetvert (quart)
fluid ounce to vine bottle
fluid ounce to vodka bottle
fluid ounce to charka
fluid ounce to shkalik
Units: vedro  / shtoff  / chetvert (quart)  / vine bottle  / vodka bottle  / charka  / shkalik

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