A9

Paper size

37 x 52 mm

International paper size: A

  • 4A
    ×4.81×10⁻⁴
  • 2A
    ×9.62×10⁻⁴
  • A0
    ×1.92×10⁻³
  • A1
    ×3.85×10⁻³
  • A2
    ×0.01
  • A3
    ×0.02
  • A4
    ×0.03
  • A5
    ×0.06
  • A6
    ×0.12
  • A7
    ×0.25
  • A8
    ×0.5
  • A9
    ×1
  • A10
    ×2

International paper size: B

  • 4B
    ×3.4×10⁻⁴
  • 2B
    ×6.8×10⁻⁴
  • B0
    ×1.36×10⁻³
  • B1
    ×2.72×10⁻³
  • B2
    ×0.01
  • B3
    ×0.01
  • B4
    ×0.02
  • B5
    ×0.04
  • B6
    ×0.09
  • B7
    ×0.17
  • B8
    ×0.35
  • B9
    ×0.71
  • B10
    ×1.41

International paper size: C

North American paper sizes

Japanese paper sizes

Inch based paper sizes

Metric

  • Kilometre (km)
    3.7×10⁻⁵ x 5.2×10⁻⁵
  • Metre (m)
    0.04 x 0.05
  • Decimetre (dm)
    0.37 x 0.52
  • Centimetre (cm)
    3.7 x 5.2
  • Millimetre (mm)
    37 x 52
  • Micrometre (µm)
    37,000 x 52,000
  • Nanometre (nm)
    37,000,000 x 52,000,000
  • Angstrom (Å)
    370,000,000 x 520,000,000

British/American

  • League
    7.66×10⁻⁶ x 1.08×10⁻⁵
  • Mile (mi)
    2.3×10⁻⁵ x 3.23×10⁻⁵
  • Furlong
    1.84×10⁻⁴ x 2.58×10⁻⁴
  • Chain
    1.84×10⁻³ x 2.58×10⁻³
  • Rod (rd)
    0.01 x 0.01
  • Yard (yd)
    0.04 x 0.06
  • Foot (ft)
    0.12 x 0.17
  • Link
    0.18 x 0.26
  • Hand
    0.36 x 0.51
  • Inch (in)
    1.46 x 2.05
  • Line
    14.57 x 20.47
  • Mil (mil)
    1,456.69 x 2,047.24
  • Thou (thou)
    1,456.69 x 2,047.24

Nautical

  • Nautical mile
    2×10⁻⁵ x 2.81×10⁻⁵
  • Fathom
    0.02 x 0.03

Astronomical

  • Parsec (pc)
    1.2×10⁻¹⁸ x 1.69×10⁻¹⁸
  • Light year
    3.91×10⁻¹⁸ x 5.5×10⁻¹⁸
  • Astronomical unit (AE)
    2.47×10⁻¹³ x 3.48×10⁻¹³
  • Light minute
    2.06×10⁻¹² x 2.89×10⁻¹²
  • Light second
    1.23×10⁻¹⁰ x 1.73×10⁻¹⁰