Royal

Paper size

508 x 635 mm

International paper size: A

  • 4A
    ×0.08
  • 2A
    ×0.16
  • A0
    ×0.32
  • A1
    ×0.65
  • A2
    ×1.29
  • A3
    ×2.59
  • A4
    ×5.17
  • A5
    ×10.38
  • A6
    ×20.76
  • A7
    ×41.52
  • A8
    ×83.83
  • A9
    ×167.66
  • A10
    ×335.32

International paper size: B

  • 4B
    ×0.06
  • 2B
    ×0.11
  • B0
    ×0.23
  • B1
    ×0.46
  • B2
    ×0.91
  • B3
    ×1.83
  • B4
    ×3.66
  • B5
    ×7.33
  • B6
    ×14.66
  • B7
    ×29.33
  • B8
    ×59.12
  • B9
    ×118.25
  • B10
    ×236.5

International paper size: C

North American paper sizes

Japanese paper sizes

Inch based paper sizes

Metric

  • Kilometre (km)
    5.08×10⁻⁴ x 6.35×10⁻⁴
  • Metre (m)
    0.51 x 0.64
  • Decimetre (dm)
    5.08 x 6.35
  • Centimetre (cm)
    50.8 x 63.5
  • Millimetre (mm)
    508 x 635
  • Micrometre (µm)
    508,000 x 635,000
  • Nanometre (nm)
    508,000,000 x 635,000,000
  • Angstrom (Å)
    5.08×10⁹ x 6.35×10⁹

British/American

  • League
    1.05×10⁻⁴ x 1.32×10⁻⁴
  • Mile (mi)
    3.16×10⁻⁴ x 3.95×10⁻⁴
  • Furlong
    2.53×10⁻³ x 3.16×10⁻³
  • Chain
    0.03 x 0.03
  • Rod (rd)
    0.1 x 0.13
  • Yard (yd)
    0.56 x 0.69
  • Foot (ft)
    1.67 x 2.08
  • Link
    2.53 x 3.16
  • Hand
    5 x 6.25
  • Inch (in)
    20 x 25
  • Line
    200 x 250
  • Mil (mil)
    20,000 x 25,000
  • Thou (thou)
    20,000 x 25,000

Nautical

  • Nautical mile
    2.74×10⁻⁴ x 3.43×10⁻⁴
  • Fathom
    0.28 x 0.35

Astronomical

  • Parsec (pc)
    1.65×10⁻¹⁷ x 2.06×10⁻¹⁷
  • Light year
    5.37×10⁻¹⁷ x 6.71×10⁻¹⁷
  • Astronomical unit (AE)
    3.4×10⁻¹² x 4.24×10⁻¹²
  • Light minute
    2.82×10⁻¹¹ x 3.53×10⁻¹¹
  • Light second
    1.69×10⁻⁹ x 2.12×10⁻⁹