astronomical distance
converting measurements to other units

Converting astronomical distance measurements between units

RMPRE stands for “relative maximum possible rounding error.”

  ± units. RMPRE =

is equivalent to:        .  .

name ± 0.5 units. RMPRE =

convert to ± 0.5 units. RMPRE =

name ± 0.5 units. RMPRE =

The relationship between redshift and distance from Earth is too complex to be included in this calculator. For more information, including a link to a sophisticated calculator, see redshift.

For help with this calculator, click on the help link below. If that doesn't provide what you need, please send us an email.

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Last revised: 1 July 2011.