JB1

Paper size

728 x 1,030 mm

The area of Japanese B-series paper is 1.5 times that of the corresponding A-paper, so the length ratio is approximately 1.22 times the length of the corresponding A-series paper. The aspect ratio of the paper is the same as for A-series paper. Both A- and B-series paper is widely available in Japan and most photocopiers are loaded with at least A4 and B4 paper.There are also a number of traditional paper sizes, which are now used mostly only by printers. The most common of these old series are the Shiroku-ban and the Kiku paper sizes.

International paper size: A

  • 4A
    ×0.19
  • 2A
    ×0.37
  • A0
    ×0.75
  • A1
    ×1.5
  • A2
    ×3.01
  • A3
    ×6.01
  • A4
    ×12.02
  • A5
    ×24.13
  • A6
    ×48.25
  • A7
    ×96.5
  • A8
    ×194.86
  • A9
    ×389.73
  • A10
    ×779.46

International paper size: B

  • 4B
    ×0.13
  • 2B
    ×0.27
  • B0
    ×0.53
  • B1
    ×1.06
  • B2
    ×2.12
  • B3
    ×4.25
  • B4
    ×8.5
  • B5
    ×17.04
  • B6
    ×34.08
  • B7
    ×68.17
  • B8
    ×137.43
  • B9
    ×274.87
  • B10
    ×549.74

International paper size: C

North American paper sizes

Japanese paper sizes

Inch based paper sizes

Metric

  • Kilometre (km)
    7.28×10⁻⁴ x 1.03×10⁻³
  • Metre (m)
    0.73 x 1.03
  • Decimetre (dm)
    7.28 x 10.3
  • Centimetre (cm)
    72.8 x 103
  • Millimetre (mm)
    728 x 1,030
  • Micrometre (µm)
    728,000 x 1,030,000
  • Nanometre (nm)
    728,000,000 x 1.03×10⁹
  • Angstrom (Å)
    7.28×10⁹ x 1.03×10¹⁰

British/American

  • League
    1.51×10⁻⁴ x 2.13×10⁻⁴
  • Mile (mi)
    4.52×10⁻⁴ x 6.4×10⁻⁴
  • Furlong
    3.62×10⁻³ x 0.01
  • Chain
    0.04 x 0.05
  • Rod (rd)
    0.14 x 0.2
  • Yard (yd)
    0.8 x 1.13
  • Foot (ft)
    2.39 x 3.38
  • Link
    3.62 x 5.12
  • Hand
    7.17 x 10.14
  • Inch (in)
    28.66 x 40.55
  • Line
    286.61 x 405.51
  • Mil (mil)
    28,661.42 x 40,551.18
  • Thou (thou)
    28,661.42 x 40,551.18

Nautical

  • Nautical mile
    3.93×10⁻⁴ x 5.56×10⁻⁴
  • Fathom
    0.4 x 0.56

Astronomical

  • Parsec (pc)
    2.36×10⁻¹⁷ x 3.34×10⁻¹⁷
  • Light year
    7.69×10⁻¹⁷ x 1.09×10⁻¹⁶
  • Astronomical unit (AE)
    4.87×10⁻¹² x 6.89×10⁻¹²
  • Light minute
    4.05×10⁻¹¹ x 5.73×10⁻¹¹
  • Light second
    2.43×10⁻⁹ x 3.44×10⁻⁹