Convert Historical Volume Units Instantly

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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1234567.89none
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1,234,567.89comma
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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.
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.
barrel (liquid)
barrel (dry)
bushel (bu)
gallon (liquid) (gal)
gallon (dry) (gal)
pint (liquid) (pt)
pint (dry) (pt)
fluid ounce (oz)
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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.
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 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.
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.
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.
bath
hin
log
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Old Spanish Dry Measure

cahíz
fanega
celemín
medio
cuartillón
ochavo
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Old French

There were many local variations; the following are Quebec and Paris definitions
minot
litron
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Old Russian Dry Measure

cetverik (mera)
vedro
garnetz

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