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Drawings - Standard Metric Sizes

Standard metric drawing sheet sizes

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The ISO A0 size is defined as having an area of one square meter. Each smaller sheet size is exactly half the area of the previous size

  • an A0 sheet cut in half gives two A1 sheets
  • an A1 sheet in half you get two A2 sheets

DesignationSize of sheetSize of frame
A
mm
B
mm
C
mm
D
mm
A0 841 1189 791 1139
A1 594 841 554 804
A2 420 594 380 554
A3 297 420 267 390
A4 210 297 180 267
A5 148 210    
A6 105 148    
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Unit Converters

Temperature

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Length

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km
in
ft
yards
miles
naut miles


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Area

m2
km2
in2
ft2
miles2
acres


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Volume

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liters
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ft3
us gal


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Weight

kgf
N
lbf


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Velocity

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mph
knots


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Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


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Flow

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m3/h
US gpm
cfm


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