15 inches

TV & monitor size

12 x 9 in

Aspect ratio 4:3

Aspect ratio 5:4

Aspect ratio 16:9

Aspect ratio 16:10

Aspect ratio 21:9

Aspect ratio 32:9

Metric

  • Kilometre (km)
    3.05×10⁻⁴ x 2.29×10⁻⁴
  • Metre (m)
    0.3 x 0.23
  • Decimetre (dm)
    3.05 x 2.29
  • Centimetre (cm)
    30.48 x 22.86
  • Millimetre (mm)
    304.8 x 228.6
  • Micrometre (µm)
    304,800 x 228,600
  • Nanometre (nm)
    304,800,000 x 228,600,000
  • Angstrom (Å)
    3.05×10⁹ x 2.29×10⁹

British/American

  • League
    6.31×10⁻⁵ x 4.73×10⁻⁵
  • Mile (mi)
    1.89×10⁻⁴ x 1.42×10⁻⁴
  • Furlong
    1.52×10⁻³ x 1.14×10⁻³
  • Chain
    0.02 x 0.01
  • Rod (rd)
    0.06 x 0.05
  • Yard (yd)
    0.33 x 0.25
  • Foot (ft)
    1 x 0.75
  • Link
    1.52 x 1.14
  • Hand
    3 x 2.25
  • Inch (in)
    12 x 9
  • Line
    120 x 90
  • Mil (mil)
    12,000 x 9,000
  • Thou (thou)
    12,000 x 9,000

Nautical

  • Nautical mile
    1.65×10⁻⁴ x 1.23×10⁻⁴
  • Fathom
    0.17 x 0.13

Astronomical

  • Parsec (pc)
    9.88×10⁻¹⁸ x 7.41×10⁻¹⁸
  • Light year
    3.22×10⁻¹⁷ x 2.42×10⁻¹⁷
  • Astronomical unit (AE)
    2.04×10⁻¹² x 1.53×10⁻¹²
  • Light minute
    1.69×10⁻¹¹ x 1.27×10⁻¹¹
  • Light second
    1.02×10⁻⁹ x 7.63×10⁻¹⁰