A8

Paper size

52 x 74 mm

International paper size: A

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

International paper size: B

  • 4B
    ×6.8×10⁻⁴
  • 2B
    ×1.36×10⁻³
  • B0
    ×2.72×10⁻³
  • B1
    ×0.01
  • B2
    ×0.01
  • B3
    ×0.02
  • B4
    ×0.04
  • B5
    ×0.09
  • B6
    ×0.17
  • B7
    ×0.35
  • B8
    ×0.71
  • B9
    ×1.41
  • B10
    ×2.82

International paper size: C

North American paper sizes

Japanese paper sizes

Inch based paper sizes

Metric

  • Kilometre (km)
    5.2×10⁻⁵ x 7.4×10⁻⁵
  • Metre (m)
    0.05 x 0.07
  • Decimetre (dm)
    0.52 x 0.74
  • Centimetre (cm)
    5.2 x 7.4
  • Millimetre (mm)
    52 x 74
  • Micrometre (µm)
    52,000 x 74,000
  • Nanometre (nm)
    52,000,000 x 74,000,000
  • Angstrom (Å)
    520,000,000 x 740,000,000

British/American

  • League
    1.08×10⁻⁵ x 1.53×10⁻⁵
  • Mile (mi)
    3.23×10⁻⁵ x 4.6×10⁻⁵
  • Furlong
    2.58×10⁻⁴ x 3.68×10⁻⁴
  • Chain
    2.58×10⁻³ x 3.68×10⁻³
  • Rod (rd)
    0.01 x 0.01
  • Yard (yd)
    0.06 x 0.08
  • Foot (ft)
    0.17 x 0.24
  • Link
    0.26 x 0.37
  • Hand
    0.51 x 0.73
  • Inch (in)
    2.05 x 2.91
  • Line
    20.47 x 29.13
  • Mil (mil)
    2,047.24 x 2,913.39
  • Thou (thou)
    2,047.24 x 2,913.39

Nautical

  • Nautical mile
    2.81×10⁻⁵ x 4×10⁻⁵
  • Fathom
    0.03 x 0.04

Astronomical

  • Parsec (pc)
    1.69×10⁻¹⁸ x 2.4×10⁻¹⁸
  • Light year
    5.5×10⁻¹⁸ x 7.82×10⁻¹⁸
  • Astronomical unit (AE)
    3.48×10⁻¹³ x 4.95×10⁻¹³
  • Light minute
    2.89×10⁻¹² x 4.11×10⁻¹²
  • Light second
    1.73×10⁻¹⁰ x 2.47×10⁻¹⁰