Recognised as Paper size
C3
- 324 × 458 mm
- ISO C
C3 measures 324 × 458 mm, or 12.76 × 18.03 inches. Its aspect ratio is 1.4136:1, close to √2, the property that makes each ISO size two of the next one down.
Dimensions
Millimetres324 × 458 mm
Centimetres32.4 × 45.8 cm
Inches12.756 × 18.031 in
Points (72 dpi)918.4 × 1,298.3 ptthe PostScript/PDF unit
Area0.14839 m²148,392 mm²
Aspect ratio1.41358:1√2 is 1.41421
At common print resolutions
72 dpi918 × 1298screen preview
150 dpi1913 × 2705draft print
300 dpi3827 × 5409standard print quality
600 dpi7654 × 10819high quality print
The ISO 216 series
SeriesISO C
Halving ruleCut the long side in half to get the next size downthe √2 ratio is what makes this preserve the shape
Sheets of A4 in this sizeNot applicable
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Also reads as
PaPErC3 (chemical formula)
- Formula
- 465.307 g/mol
- 6 atoms
PaPErC3 has a molar mass of 465.307 g/mol, made up of 6 atoms across 4 elements: 1 × Pa, 1 × P, 1 × Er, 3 × C.
Molar mass
Molar mass465.307 g/mol
Total atoms per molecule6
Distinct elements4
Mass of one molecule7.7266045 × 10^-22 g
Molecules per gram1.2942296 × 10^21
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Pa49.7%
P6.7%
Er35.9%
C7.7%
Protactinium (Pa)231.04 g/mol, 49.653%
Phosphorus (P)30.974 g/mol, 6.657%
Erbium (Er)167.26 g/mol, 35.946%
Carbon (C × 3)36.033 g/mol, 7.744%
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