ANSI A (letter)

Paper size

216 x 279 mm

International paper size: A

International paper size: B

International paper size: C

North American paper sizes

Japanese paper sizes

Inch based paper sizes

Metric

  • Kilometre (km)
    2.16×10⁻⁴ x 2.79×10⁻⁴
  • Metre (m)
    0.22 x 0.28
  • Decimetre (dm)
    2.16 x 2.79
  • Centimetre (cm)
    21.6 x 27.9
  • Millimetre (mm)
    216 x 279
  • Micrometre (µm)
    216,000 x 279,000
  • Nanometre (nm)
    216,000,000 x 279,000,000
  • Angstrom (Å)
    2.16×10⁹ x 2.79×10⁹

British/American

  • League
    4.47×10⁻⁵ x 5.78×10⁻⁵
  • Mile (mi)
    1.34×10⁻⁴ x 1.73×10⁻⁴
  • Furlong
    1.07×10⁻³ x 1.39×10⁻³
  • Chain
    0.01 x 0.01
  • Rod (rd)
    0.04 x 0.06
  • Yard (yd)
    0.24 x 0.31
  • Foot (ft)
    0.71 x 0.92
  • Link
    1.07 x 1.39
  • Hand
    2.13 x 2.75
  • Inch (in)
    8.5 x 10.98
  • Line
    85.04 x 109.84
  • Mil (mil)
    8,503.94 x 10,984.25
  • Thou (thou)
    8,503.94 x 10,984.25

Nautical

  • Nautical mile
    1.17×10⁻⁴ x 1.51×10⁻⁴
  • Fathom
    0.12 x 0.15

Astronomical

  • Parsec (pc)
    7×10⁻¹⁸ x 9.04×10⁻¹⁸
  • Light year
    2.28×10⁻¹⁷ x 2.95×10⁻¹⁷
  • Astronomical unit (AE)
    1.44×10⁻¹² x 1.87×10⁻¹²
  • Light minute
    1.2×10⁻¹¹ x 1.55×10⁻¹¹
  • Light second
    7.2×10⁻¹⁰ x 9.31×10⁻¹⁰