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Units of Measurement
Explore all the units of measurement, their history and uses.
Weight converter · 42 units
Weight units
Mass standards from Egyptian, Mesopotamian, Greek, Roman, Persian, early imperial Chinese, and Mauryan Indian systems, plus exact modern anchors.
mgModern metricInternational · SI unitmilligramSource: BIPM SI BrochureRepresentative0.001 gBasisdefined; exact confidencegModern metricInternational · SI unitgramSource: BIPM SI BrochureRepresentative1 gBasisdefined; exact confidencekgModern metricInternational · SI base unitkilogramSource: BIPM SI BrochureRepresentative1000 gBasisdefined; exact confidencetModern metricInternational · SI accepted unitmetric tonneSource: BIPM SI BrochureRepresentative1000000 gBasisdefined; exact confidencegrModern customaryInternational · International pound definitionavoirdupois grainSource: NIST SI units: massRepresentative0.06479891 gBasisdefined; exact confidencegr tTroy weightInternational · Modern exact troy relationshiptroy grainSource: NIST SI units: massRepresentative0.06479891 gBasisone-5760th-troy-pound; exact confidencedwtTroy weightInternational · 24 troy grainspennyweightSource: NIST SI units: massRepresentative1.55517384 gBasistwenty-four-troy-grains; exact confidenceoz tTroy weightInternational · 480 troy grainstroy ounceSource: NIST SI units: massRepresentative31.1034768 gBasistwenty-pennyweights; exact confidencelb tTroy weightInternational · 12 troy ouncestroy poundSource: NIST SI units: massRepresentative373.2417216 gBasistwelve-troy-ounces; exact confidencectModern metricInternational · Defined metric caratmetric carat (mass)Source: BIPM SI BrochureRepresentative0.2 gBasistwo-hundred-milligrams; exact confidencelb TowerMedieval EnglishEngland · 5400-modern-troy-grain reconstructionTower pound (medieval English representative)Source: British Weights and Measures in the Laws of EnglandRepresentative349.914114 gBasismoney-pound-reconstruction; medium confidenceozModern customaryInternational · International pound definitionavoirdupois ounceSource: NIST SI units: massRepresentative28.34952313 gBasisdefined; exact confidencelbModern customaryInternational · International pound definitionavoirdupois poundSource: NIST SI units: massRepresentative453.59237 gBasisdefined; exact confidencedbnEgyptianEgypt · Old and Middle KingdomEgyptian deben (Old and Middle Kingdom)Source: UCL Digital Egypt, weightRepresentative13.6 gBasisinscribed-weight-cluster; medium confidence1/12 dbnEgyptianEgypt · Old and Middle KingdomEgyptian shematy (Old and Middle Kingdom)Source: UCL Digital Egypt, weightRepresentative1.133333333 gBasisone-twelfth-deben; medium confidenceqdtEgyptianEgypt · New Kingdom, about 1550 to 1069 BCEEgyptian qedet (New Kingdom)Source: UCL Digital Egypt, weightRepresentative9.1 gBasisone-tenth-new-kingdom-deben; medium confidence1/12 dbnEgyptianEgypt · New KingdomEgyptian shematy (New Kingdom)Source: UCL Digital Egypt, weightRepresentative7.583333333 gBasisone-twelfth-new-kingdom-deben; medium confidencedbnEgyptianEgypt · New Kingdom, about 1550 to 1069 BCEEgyptian deben (New Kingdom)Source: UCL Digital Egypt, weightRepresentative91 gBasisten-qedet-system; medium confidencešeMesopotamianSouthern Mesopotamia · Ur III to Old Babylonian representativeMesopotamian grainSource: British Museum Mesopotamian weightRepresentative0.0466 gBasisone-180th-shekel-artefact-mean; high confidencešiqluMesopotamianSouthern Mesopotamia · Ur III to Old Babylonian representativeMesopotamian shekelSource: British Museum Mesopotamian weightRepresentative8.4 gBasisartefact-mean; high confidencemanûMesopotamianSouthern Mesopotamia · Ur III to Old Babylonian representativeMesopotamian minaSource: British Museum Mesopotamian weightRepresentative504 gBasissixty-shekels; high confidencebiltuMesopotamianSouthern Mesopotamia · Ur III to Old Babylonian representativeMesopotamian talentSource: British Museum Mesopotamian weightRepresentative30200 gBasissixty-minas; high confidenceobolGreek: AtticAthens · Classical Attic representativeAttic obolSource: Smith Dictionary PonderaRepresentative0.718 gBasisone-sixth-attic-drachma; medium confidencedrGreek: AtticAthens · Classical Attic representativeAttic drachma (mass)Source: Smith Dictionary PonderaRepresentative4.31 gBasisattic-weight-standard; medium confidencemnaGreek: AtticAthens · Classical Attic representativeAttic minaSource: Smith Dictionary PonderaRepresentative431 gBasisone-hundred-drachmas; medium confidencetal.Greek: AtticAthens · Classical Attic representativeAttic talentSource: Smith Dictionary PonderaRepresentative25860 gBasissixty-minas; medium confidencedrGreek: AeginetanAegina and trading sphere · Archaic to Classical representativeAeginetan drachma (mass)Source: Smith Dictionary PonderaRepresentative6.1 gBasisaeginetan-weight-standard; medium confidencemnaGreek: AeginetanAegina and trading sphere · Archaic to Classical representativeAeginetan minaSource: Smith Dictionary PonderaRepresentative610 gBasisone-hundred-drachmas; medium confidencetal.Greek: AeginetanAegina and trading sphere · Archaic to Classical representativeAeginetan talentSource: Smith Dictionary PonderaRepresentative36600 gBasissixty-minas; medium confidencescrip.RomanRoman world · Late Republic to Imperial representativeRoman scrupulum (mass)Source: Smith Dictionary PonderaRepresentative1.137 gBasisone-288th-libra; high confidencedrRomanRoman world · Late Republic to Imperial representativeRoman drachma (mass)Source: Smith Dictionary PonderaRepresentative3.411 gBasisone-96th-libra; high confidenceunciaRomanRoman world · Late Republic to Imperial representativeRoman uncia (mass)Source: Smith Dictionary PonderaRepresentative27.2875 gBasisone-twelfth-libra; high confidencelibraRomanRoman world · Late Republic to Imperial representativeRoman libraSource: Smith Dictionary PonderaRepresentative327.45 gBasisartefact-and-literary-standard; high confidencešiqluAchaemenid PersianPersian Empire · Achaemenid period, 550 to 330 BCEAchaemenid shekel standardSource: Encyclopaedia Iranica, weights and measuresRepresentative8.33 gBasisinscribed-weight-standard; high confidencekaršaAchaemenid PersianPersian Empire · Achaemenid period, 550 to 330 BCEAchaemenid karshaSource: Encyclopaedia Iranica, weights and measuresRepresentative83.3 gBasisten-shekels; high confidencetal.Achaemenid PersianPersian Empire · Achaemenid period, 550 to 330 BCEAchaemenid-Babylonian talentSource: Encyclopaedia Iranica, weights and measuresRepresentative30250 gBasisinscribed-Susa-lion-weight; high confidenceliangEarly imperial ChineseChina · Qin to Western Han representativeQin-Han liangSource: Cambridge Early China metrology studyRepresentative15.625 gBasisone-sixteenth-representative-jin; medium confidencejinEarly imperial ChineseChina · Qin to Western Han representativeQin-Han jinSource: Cambridge Early China metrology studyRepresentative250 gBasisarchaeological-weight-range; medium confidencerattiAncient IndianIndian subcontinent · Mauryan-period representativeMauryan rattiSource: Indian National Science Academy, weighing devicesRepresentative0.1215 gBasisseed-weight-reconstruction; low confidencemāṣaAncient IndianIndian subcontinent · Mauryan-period representativeMauryan mashaSource: Indian National Science Academy, weighing devicesRepresentative0.972 gBasiseight-ratti-system; low confidencepurāṇaAncient IndianIndian subcontinent · Mauryan-period representativeMauryan purana or dharanaSource: Indian National Science Academy, weighing devicesRepresentative3.888 gBasisthirty-two-ratti-system; low confidencekará¹£aAncient IndianIndian subcontinent · Mauryan-period representativeMauryan karshaSource: Indian National Science Academy, weighing devicesRepresentative9.72 gBasiseighty-ratti-system; low confidence
Time converter · 26 units
Time units
Fixed intervals from Egyptian and Mesopotamian schematic calendars, Greek and Roman astronomical hours, Indian astronomical divisions, and the Maya Long Count.
sModern SIInternational · SI base unitsecondSource: BIPM SI BrochureRepresentative1 sBasisdefined; exact confidenceminModern civilInternational · Current civil timeminuteSource: BIPM SI BrochureRepresentative60 sBasissixty-seconds; exact confidencehModern civilInternational · Current civil timehourSource: BIPM SI BrochureRepresentative3600 sBasissixty-minutes; exact confidencedModern civilInternational · Current civil timedaySource: BIPM SI BrochureRepresentative86400 sBasistwenty-four-hours; exact confidencewkModern civilInternational · Current civil timeweekSource: BIPM SI BrochureRepresentative604800 sBasisseven-days; exact confidenceswEgyptian civil calendarEgypt · Pharaonic civil calendarEgyptian civil daySource: UCL Digital Egypt, calendarRepresentative86400 sBasisday-count-comparison; high confidencedecanEgyptian civil calendarEgypt · Pharaonic civil calendarEgyptian ten-day periodSource: UCL Digital Egypt, calendarRepresentative864000 sBasisten-days; high confidenceꜣbdEgyptian civil calendarEgypt · Pharaonic civil calendarEgyptian civil monthSource: UCL Digital Egypt, calendarRepresentative2592000 sBasisthirty-days; high confidenceı͗trwEgyptian civil calendarEgypt · Pharaonic civil calendarEgyptian civil seasonSource: UCL Digital Egypt, calendarRepresentative10368000 sBasisfour-thirty-day-months; high confidencernptEgyptian civil calendarEgypt · Pre-Alexandrian civil calendarEgyptian civil yearSource: UCL Digital Egypt, calendarRepresentative31536000 sBasistwelve-months-plus-five-epagomenal-days; high confidencegešMesopotamianMesopotamia · Ur III and Old Babylonian conventional divisionMesopotamian gešSource: Ancient Mesopotamian units overviewRepresentative240 sBasisone-360th-day; medium confidencedannaMesopotamianMesopotamia · Ur III and Old Babylonian conventional divisionMesopotamian watchSource: Ancient Mesopotamian units overviewRepresentative7200 sBasisone-twelfth-day; medium confidenceituMesopotamianMesopotamia · Scribal schematic calendarMesopotamian schematic monthSource: Ancient Mesopotamian units overviewRepresentative2592000 sBasisthirty-days-not-observed-lunation; medium confidencemuMesopotamianMesopotamia · Scribal schematic calendarMesopotamian schematic yearSource: Ancient Mesopotamian units overviewRepresentative31104000 sBasisthree-hundred-sixty-days-not-intercalated-calendar; medium confidencehōraGreek astronomicalGreek world · Hellenistic astronomical conventionGreek equinoctial hourSource: Smith Dictionary HoraRepresentative3600 sBasisone-twenty-fourth-day; high confidencehoraRoman astronomicalRoman world · Late antique astronomical and calendar useRoman equinoctial hourSource: Smith Dictionary HoraRepresentative3600 sBasisone-twenty-fourth-day; high confidencenundinumRoman calendarRoman world · Republican and early Imperial useRoman nundinal cycleSource: Smith Dictionary Hora and calendar referenceRepresentative691200 sBasisinclusive-eight-day-market-cycle; medium confidencevipalaClassical Indian astronomicalIndian subcontinent · Classical and early-modern astronomical conventionIndian vipalaSource: Archaeological Survey of India observatory guideRepresentative0.4 sBasisone-sixtieth-vinadi; high confidencevināḍīClassical Indian astronomicalIndian subcontinent · Classical and early-modern astronomical conventionIndian vinadi or palaSource: Archaeological Survey of India observatory guideRepresentative24 sBasissixty-vipala; high confidenceghaṭīClassical Indian astronomicalIndian subcontinent · Classical and early-modern astronomical conventionIndian ghatiSource: Archaeological Survey of India observatory guideRepresentative1440 sBasissixty-vinadi; high confidencemuhūrtaClassical Indian astronomicalIndian subcontinent · Classical and early-modern astronomical conventionIndian muhurtaSource: Archaeological Survey of India observatory guideRepresentative2880 sBasistwo-ghati; high confidencek'inMaya Long CountMesoamerica · Classic Maya Long CountMaya k'inSource: Smithsonian Living Maya TimeRepresentative86400 sBasisone-day; high confidenceuinalMaya Long CountMesoamerica · Classic Maya Long CountMaya uinalSource: Smithsonian Living Maya TimeRepresentative1728000 sBasistwenty-kin; high confidencetunMaya Long CountMesoamerica · Classic Maya Long CountMaya tunSource: Smithsonian Living Maya TimeRepresentative31104000 sBasiseighteen-uinal; high confidencekatunMaya Long CountMesoamerica · Classic Maya Long CountMaya katunSource: Smithsonian Living Maya TimeRepresentative622080000 sBasistwenty-tun; high confidencebaktunMaya Long CountMesoamerica · Classic Maya Long CountMaya baktunSource: Smithsonian Living Maya TimeRepresentative1.24416e+10 sBasistwenty-katun; high confidence
Liquid converter · 58 units
Liquid units
Capacity standards including a corrected Egyptian khar chronology, Greek and Roman measures, and modern serving and cask systems.
mLModern metricInternational · SI accepted unitmillilitreSource: BIPM SI BrochureRepresentative0.001 LBasisdefined; exact confidenceLModern metricInternational · SI accepted unitlitreSource: BIPM SI BrochureRepresentative1 LBasisdefined; exact confidencem³Modern metricInternational · SI derived unitcubic metreSource: BIPM SI BrochureRepresentative1000 LBasisdefined; exact confidenceUS galModern US customaryUnited States · Current international-inch definitionUS liquid gallonSource: NIST Handbook 44 Appendix CRepresentative3.785411784 LBasisdefined; exact confidenceimp galModern imperialUnited Kingdom and legacy use · Weights and Measures Act 1985imperial gallonSource: UK Weights and Measures Act 1985Representative4.54609 LBasisdefined; exact confidencehinEgyptianEgypt · Old and Middle Kingdom representativeEgyptian hinSource: UCL Digital Egypt volume measuresRepresentative0.48 LBasisinscribed-container-estimate; medium confidenceheqatEgyptianEgypt · Old and Middle Kingdom representativeEgyptian heqatSource: UCL Digital Egypt volume measuresRepresentative4.8 LBasisten-hin-system; medium confidencemLAustralian trade measureAustralia · Current NMI-approved capacityAustralian spirit measure (15 mL)Source: Australian National Measurement InstituteRepresentative0.015 LBasisdefined-serving-volume; exact confidencemLAustralian trade measureAustralia · Current NMI-approved capacityAustralian spirit nip (30 mL)Source: Australian National Measurement InstituteRepresentative0.03 LBasisdefined-serving-volume; exact confidencemLAustralian trade measureAustralia · Current NMI-approved capacityAustralian spirit measure (60 mL)Source: Australian National Measurement InstituteRepresentative0.06 LBasisdefined-serving-volume; exact confidencemLAustralian serving guideAustralia · Current standard-drink guide servingAustralian standard wine glass (100 mL)Source: Queensland Health alcohol guideRepresentative0.1 LBasispublished-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK still-wine glass (125 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.125 LBasisdefined-serving-volume; exact confidencemLAustralian serving guideAustralia · Current representative restaurant servingAustralian restaurant wine glass (150 mL)Source: Queensland Health alcohol guideRepresentative0.15 LBasispublished-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK still-wine glass (175 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.175 LBasisdefined-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK spirit measure (25 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.025 LBasisdefined-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK spirit measure (35 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.035 LBasisdefined-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK fortified-wine measure (50 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.05 LBasisdefined-serving-volume; exact confidencemLUK trade measureUnited Kingdom · Current specified quantityUK fortified-wine measure (70 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.07 LBasisdefined-serving-volume; exact confidencemLAustralian serving guideAustralia; name varies by state · Current common marked servingAustralian pot or middy (285 mL)Source: Queensland Health alcohol guideRepresentative0.285 LBasispublished-serving-volume; exact confidencemLAustralian serving guideAustralia · Current common packaged servingAustralian stubby or can (375 mL)Source: Queensland Health alcohol guideRepresentative0.375 LBasispublished-serving-volume; exact confidencemLAustralian serving guideAustralia; name varies by state · Current common marked servingAustralian schooner (425 mL)Source: Queensland Health alcohol guideRepresentative0.425 LBasispublished-serving-volume; exact confidence⅓ ptUK trade measureUnited Kingdom · Current specified quantityUK draught beer, one-third pintSource: GOV.UK specified alcohol quantitiesRepresentative0.1894204167 LBasisone-third-imperial-pint; exact confidence½ ptUK trade measureUnited Kingdom · Current specified quantityUK draught beer, half pintSource: GOV.UK specified alcohol quantitiesRepresentative0.284130625 LBasishalf-imperial-pint; exact confidence⅔ ptUK trade measureUnited Kingdom · Current specified quantityUK draught beer, two-thirds pintSource: GOV.UK specified alcohol quantitiesRepresentative0.3788408333 LBasistwo-thirds-imperial-pint; exact confidenceimp ptModern imperialUnited Kingdom and legacy use · Weights and Measures Act 1985imperial pintSource: UK Weights and Measures Act 1985Representative0.56826125 LBasisone-eighth-imperial-gallon; exact confidenceUS ptModern US customaryUnited States · Current international-inch definitionUS liquid pintSource: NIST Handbook 44 Appendix CRepresentative0.473176473 LBasisone-eighth-us-liquid-gallon; exact confidencemLModern packaged alcoholInternational · Current common and specified package sizestandard wine bottle (750 mL)Source: GOV.UK specified alcohol quantitiesRepresentative0.75 LBasisdefined-package-volume; exact confidencepinBritish beer caskUnited Kingdom · Nineteenth to early twentieth-century trade standardBritish beer pin (4.5 imperial gallons)Source: US Government historical British cask tableRepresentative20.457405 LBasishistorical-imperial-gallon-count; high confidencefirkinBritish beer caskUnited Kingdom · Nineteenth to early twentieth-century trade standardBritish beer firkin (9 imperial gallons)Source: US Government historical British cask tableRepresentative40.91481 LBasishistorical-imperial-gallon-count; high confidencekilderkinBritish beer caskUnited Kingdom · Nineteenth to early twentieth-century trade standardBritish beer kilderkin (18 imperial gallons)Source: US Government historical British cask tableRepresentative81.82962 LBasishistorical-imperial-gallon-count; high confidencebblBritish beer caskUnited Kingdom · Nineteenth to early twentieth-century trade standardBritish beer barrel (36 imperial gallons)Source: US Government historical British cask tableRepresentative163.65924 LBasishistorical-imperial-gallon-count; high confidencehhdBritish beer caskUnited Kingdom · Nineteenth to early twentieth-century trade standardBritish beer hogshead (54 imperial gallons)Source: US Government historical British cask tableRepresentative245.48886 LBasishistorical-imperial-gallon-count; high confidenceUS bblUS brewing measureUnited States · Current federal brewing measureUS beer barrel (31 US gallons)Source: US Alcohol and Tobacco Tax and Trade BureauRepresentative117.3477653 LBasisthirty-one-us-liquid-gallons; exact confidencerundletEnglish wine caskEngland · Historical statutory trade capacityEnglish wine rundlet (18 wine gallons)Source: US Government historical measure tableRepresentative68.13741211 LBasishistorical-wine-gallon-count; high confidencewine bblEnglish wine caskEngland · Historical statutory trade capacityEnglish wine barrel (31.5 wine gallons)Source: US Government historical measure tableRepresentative119.2404712 LBasishistorical-wine-gallon-count; high confidencetierceEnglish wine caskEngland · Historical statutory trade capacityEnglish wine tierce (42 wine gallons)Source: US Government historical measure tableRepresentative158.9872949 LBasishistorical-wine-gallon-count; high confidencehhdEnglish wine caskEngland · Historical statutory trade capacityEnglish wine hogshead (63 wine gallons)Source: US Government historical measure tableRepresentative238.4809424 LBasishistorical-wine-gallon-count; high confidencepuncheonEnglish wine caskEngland · Historical statutory trade capacityEnglish wine puncheon (84 wine gallons)Source: US Government historical measure tableRepresentative317.9745899 LBasishistorical-wine-gallon-count; high confidencebuttEnglish wine caskEngland · Historical statutory trade capacityEnglish wine butt or pipe (126 wine gallons)Source: US Government historical measure tableRepresentative476.9618848 LBasishistorical-wine-gallon-count; high confidencetunEnglish wine caskEngland · Historical statutory trade capacityEnglish wine tun (252 wine gallons)Source: US Government historical measure tableRepresentative953.9237696 LBasishistorical-wine-gallon-count; high confidencecyath.RomanRoman world · Late Republic to Imperial representativeRoman cyathusSource: Smith Dictionary MensuraRepresentative0.0455 LBasisone-twelfth-sextarius; high confidencequart.RomanRoman world · Late Republic to Imperial representativeRoman quartariusSource: Smith Dictionary MensuraRepresentative0.1365 LBasisone-quarter-sextarius; high confidenceheminaRomanRoman world · Late Republic to Imperial representativeRoman heminaSource: Smith Dictionary MensuraRepresentative0.273 LBasisone-half-sextarius; high confidencesext.RomanRoman world · Late Republic to Imperial representativeRoman sextariusSource: Journal of Roman ArchaeologyRepresentative0.546 LBasistextual-and-metrological-reconstruction; high confidencecong.RomanRoman world · Late Republic to Imperial representativeRoman congiusSource: Smith Dictionary MensuraRepresentative3.276 LBasissix-sextarii-relationship; high confidenceurnaRomanRoman world · Late Republic to Imperial representativeRoman urnaSource: Smith Dictionary MensuraRepresentative13.104 LBasisone-half-amphora; high confidenceamph.RomanRoman world · Late Republic to Imperial representativeRoman amphora (quadrantal)Source: Smith Dictionary MensuraRepresentative26.208 LBasisforty-eight-sextarii-relationship; high confidenceculleusRomanRoman world · Late Republic to Imperial representativeRoman culleusSource: Smith Dictionary MensuraRepresentative524.16 LBasistwenty-amphorae-relationship; high confidencekotyleGreekAthens · Classical Attic representativeAttic kotyleSource: Smith Dictionary MensuraRepresentative0.273 LBasishalf-sextarius-equivalence; medium confidencechousGreekAthens · Classical Attic representativeAttic chousSource: Smith Dictionary MensuraRepresentative3.276 LBasistwelve-kotylai-relationship; medium confidencemetretesGreekAthens · Classical Attic representativeAttic metretesSource: Smith Dictionary MensuraRepresentative39.312 LBasistwelve-choes-relationship; medium confidenceroEgyptianEgypt · Old and Middle Kingdom representativeEgyptian roSource: UCL Digital Egypt, volumeRepresentative0.015 LBasisone-320th-heqat; medium confidencedjaEgyptianEgypt · Old and Middle Kingdom representativeEgyptian djaSource: UCL Digital Egypt, volumeRepresentative0.3 LBasisone-sixteenth-heqat; medium confidence2 heqatEgyptianEgypt · Middle Kingdom representativeEgyptian double heqatSource: UCL Digital Egypt, volumeRepresentative9.6 LBasistwo-heqat; medium confidenceoipeEgyptianEgypt · New Kingdom representativeEgyptian oipeSource: UCL Digital Egypt, volumeRepresentative19.2 LBasisfour-heqat; medium confidencekharEgyptianEgypt · Middle Kingdom representativeEgyptian khar (Middle Kingdom)Source: UCL Digital Egypt, volumeRepresentative96 LBasistwenty-heqat; medium confidencekharEgyptianEgypt · New Kingdom representativeEgyptian khar (New Kingdom)Source: UCL Digital Egypt, volumeRepresentative76.8 LBasissixteen-heqat; medium confidencecubit³EgyptianEgypt · Pharaonic representativeEgyptian cubic cubitSource: UCL Digital Egypt, volumeRepresentative144 LBasisthirty-heqat; medium confidence
Area converter · 21 units
Area units
Land and square measures with Old, Middle, and New Kingdom Egyptian distinctions, plus Roman, Greek, metric, and imperial systems.
m²Modern metricInternational · SI derived unitsquare metreSource: NIST Handbook 44 Appendix CRepresentative1 m²Basisdefined; exact confidencehaModern metricInternational · SI accepted unithectareSource: NIST Handbook 44 Appendix CRepresentative10000 m²Basisdefined; exact confidencekm²Modern metricInternational · SI derived unitsquare kilometreSource: NIST Handbook 44 Appendix CRepresentative1000000 m²Basisdefined; exact confidenceft²Modern imperialInternational · International foot definitionsquare footSource: NIST Handbook 44 Appendix CRepresentative0.09290304 m²Basisdefined; exact confidenceacreModern imperialInternational · International measureacreSource: NIST Handbook 44 Appendix CRepresentative4046.856422 m²Basisdefined; exact confidencetaEgyptianEgypt · Old Kingdom representativeEgyptian land-unit (ta)Source: UCL Digital Egypt area measuresRepresentative27.65 m²Basisten-by-ten-cubits; medium confidencekhaEgyptianEgypt · Old Kingdom representativeEgyptian thousand (kha)Source: UCL Digital Egypt area measuresRepresentative275.65 m²Basisten-by-one-hundred-cubits; medium confidencesetjatEgyptianEgypt · Old Kingdom representativeEgyptian setjat (aroura)Source: UCL Digital Egypt area measuresRepresentative2756.5 m²Basisone-hundred-by-one-hundred-cubits; medium confidencepes²RomanRoman world · Late Republic to Imperial representativesquare Roman pesSource: Smith Dictionary MensuraRepresentative0.087616 m²Basisderived-from-representative-pes; high confidencescrip.RomanRoman world · Late Republic to Imperial representativeRoman scripulumSource: Smith Dictionary MensuraRepresentative8.7616 m²Basisone-hundred-square-pedes; high confidenceactus²RomanRoman world · Late Republic to Imperial representativeRoman actus quadratusSource: Smith Dictionary MensuraRepresentative1261.6704 m²Basisone-hundred-forty-four-square-rods; high confidenceiug.RomanRoman world · Late Republic to Imperial representativeRoman iugerumSource: Smith Dictionary MensuraRepresentative2523.3408 m²Basistwo-actus-quadrati; high confidencepous²GreekAthens · Classical Attic representativesquare Attic pousSource: Smith Dictionary MensuraRepresentative0.08743849 m²Basisderived-from-representative-attic-pous; medium confidenceplethronGreekAthens · Classical Attic representativeAttic plethron (land square)Source: Smith Dictionary MensuraRepresentative874.3849 m²Basisten-thousand-square-podes; medium confidencesaEgyptianEgypt · Old Kingdom representativeEgyptian sa (Old Kingdom)Source: UCL Digital Egypt, areaRepresentative3.4456 m²Basisone-eighth-cubit-strip; medium confidencehesebEgyptianEgypt · Old Kingdom representativeEgyptian heseb (Old Kingdom)Source: UCL Digital Egypt, areaRepresentative6.8913 m²Basisone-quarter-cubit-strip; medium confidenceremenEgyptianEgypt · Old Kingdom representativeEgyptian remen area (Old Kingdom)Source: UCL Digital Egypt, areaRepresentative13.783 m²Basisone-half-cubit-strip; medium confidencesaEgyptianEgypt · Middle and New Kingdom representativeEgyptian sa (Middle and New Kingdom)Source: UCL Digital Egypt, areaRepresentative344.56 m²Basisone-eighth-setjat; medium confidencehesebEgyptianEgypt · Middle and New Kingdom representativeEgyptian heseb (Middle and New Kingdom)Source: UCL Digital Egypt, areaRepresentative689.13 m²Basisone-quarter-setjat; medium confidenceremenEgyptianEgypt · Middle and New Kingdom representativeEgyptian remen area (Middle and New Kingdom)Source: UCL Digital Egypt, areaRepresentative1378.25 m²Basisone-half-setjat; medium confidencekhaEgyptianEgypt · Middle and New Kingdom representativeEgyptian kha (Middle and New Kingdom)Source: UCL Digital Egypt, areaRepresentative27565 m²Basisten-setjat; medium confidence