cm² - Square Centimeter. 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 area conversion page.
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1This is a conversion chart for square centimeter (Metric). To switch the unit simply find the one you want on the page and click it.
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Number of significat figures

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1234567.89none
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1,234,567.89comma
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Your value (square centimeter, cm²):
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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 area conversion page.
square centimeter to square kilometer (km²)
square centimeter to hectare
square centimeter to square meter (m²)
square centimeter to square millimeter (mm²)
Units: square kilometer (km²)  / hectare  / square meter (m²)  /  / square millimeter (mm²)
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British (Imperial) And U.S. System

We only include several basic units here for you to convert historical units to contemporary ones. A more comprehensive list of British and U.S. units is available on the main area conversion page.
square centimeter to square mile
square centimeter to acre
square centimeter to square yard (yd²)
square centimeter to square foot (ft²)
square centimeter to square inch (in²)
Units: square mile  / acre  / square yard (yd²)  / square foot (ft²)  / square inch (in²)
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Ancient Greek

square centimeter to plethron (πλέθρον)
square centimeter to aroura (ἄρουρα)
square centimeter to hektos (ἕκτος)
square centimeter to hēmiektos (ἡμίεκτος)
square centimeter to dodecaorgion (δωδεκάωργον)
square centimeter to decaorgion (δεκάωργον)
square centimeter to akaina (ἄκαινα)
square centimeter to hexapodēs or orgya (ἑξαπόδης, ὀργυιά)
square centimeter to bema or diploum (βῆμα, ἀπλοῦν)
square centimeter to pous (πούς), square foot
Units: plethron (πλέθρον)  / aroura (ἄρουρα)  / hektos (ἕκτος)  / hēmiektos (ἡμίεκτος)  / dodecaorgion (δωδεκάωργον)  / decaorgion (δεκάωργον)  / akaina (ἄκαινα)  / hexapodēs or orgya (ἑξαπόδης, ὀργυιά)  / bema or diploum (βῆμα, ἀπλοῦν)  / pous (πούς), square foot
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Ancient Roman

square centimeter to salt
square centimeter to century
square centimeter to geredium
square centimeter to uger
square centimeter to square akt
square centimeter to klima
square centimeter to square akt (small)
square centimeter to square decimpeda
square centimeter to square ped (ordinary)
square centimeter to square ped (legal)
Units: salt  / century  / geredium  / uger  / square akt  / klima  / square akt (small)  / square decimpeda  / square ped (ordinary)  / square ped (legal)
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Old French

There were many local variations; the following are Quebec and Paris definitions
square centimeter to arpent
square centimeter to royal square perche
square centimeter to square toise
square centimeter to square pied
square centimeter to square pouce
Units: arpent  / royal square perche  / square toise  / square pied  / square pouce
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Old Spanish

These units are occasionally used today in some Latin America countries, as well as in southern U.S. states, e.g. in Texas.
square centimeter to league (square)
square centimeter to labor
square centimeter to caballería
square centimeter to yugada
square centimeter to fanegada
square centimeter to aranzada
square centimeter to cuerda of Puerto Rico
square centimeter to celemin
square centimeter to cuartillo
square centimeter to estadal cuadrado (square estadal)
square centimeter to vara cuadrada (square vara)
square centimeter to pie cuadrado (square pie)
Units: league (square)  / labor  / caballería  / yugada  / fanegada  / aranzada  / cuerda of Puerto Rico  / celemin  / cuartillo  / estadal cuadrado (square estadal)  / vara cuadrada (square vara)  / pie cuadrado (square pie)
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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.
square centimeter to braça quadrada (square braça)
square centimeter to vara quadrada (square vara)
square centimeter to palmo quadrado (square palmo)
square centimeter to polegada quadrada (square polegada)
Units: braça quadrada (square braça)  / vara quadrada (square vara)  / palmo quadrado (square palmo)  / polegada quadrada (square polegada)
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Old Russian

square centimeter to desyatina (state)
square centimeter to desyatina (farmery)
square centimeter to square verst
square centimeter to square arshin
square centimeter to square foot
Units: desyatina (state)  / desyatina (farmery)  / square verst  / square arshin  / square foot

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