Online Length Units Converter
How to Convert from A.u. of Length to Parsec [pc]

How to Convert from A.u. of Length to Parsec [pc]

Learn how to convert length measurements from atomic units (a.u. of length) to parsecs (pc), bridging atomic-scale distances with astronomical scales.

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A.u. of length [a.u., b] to Parsec [pc] Conversion Table

A.u. of length [a.u., b] Parsec [pc]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
A.u. of length [a.u., b] to Parsec [pc] Conversion Table
A.u. of length [a.u., b] Parsec [pc]

Explore More Length Units Converter

  1. How to convert from meter [m] to a.u. of length [a.u., b]?
  2. How to convert from a.u. of length [a.u., b] to meter [m]?
  3. How to convert from kilometer [km] to a.u. of length [a.u., b]?
  4. How to convert from a.u. of length [a.u., b] to kilometer [km]?
  5. How to convert from decimeter [dm] to a.u. of length [a.u., b]?
  6. How to convert from a.u. of length [a.u., b] to decimeter [dm]?
  7. How to convert from centimeter [cm] to a.u. of length [a.u., b]?
  8. How to convert from a.u. of length [a.u., b] to centimeter [cm]?
  9. How to convert from millimeter [mm] to a.u. of length [a.u., b]?
  10. How to convert from a.u. of length [a.u., b] to millimeter [mm]?
  11. How to convert from micrometer [µm] to a.u. of length [a.u., b]?
  12. How to convert from a.u. of length [a.u., b] to micrometer [µm]?
  13. How to convert from nanometer [nm] to a.u. of length [a.u., b]?
  14. How to convert from a.u. of length [a.u., b] to nanometer [nm]?
  15. How to convert from mile [mi, mi(Int)] to a.u. of length [a.u., b]?
  16. How to convert from a.u. of length [a.u., b] to mile [mi, mi(Int)]?
  17. How to convert from yard [yd] to a.u. of length [a.u., b]?
  18. How to convert from a.u. of length [a.u., b] to yard [yd]?
  19. How to convert from foot [ft] to a.u. of length [a.u., b]?
  20. How to convert from a.u. of length [a.u., b] to foot [ft]?
  21. How to convert from inch [in] to a.u. of length [a.u., b]?
  22. How to convert from a.u. of length [a.u., b] to inch [in]?
  23. How to convert from light year [ly] to a.u. of length [a.u., b]?
  24. How to convert from a.u. of length [a.u., b] to light year [ly]?
  25. How to convert from exameter [Em] to a.u. of length [a.u., b]?
  26. How to convert from a.u. of length [a.u., b] to exameter [Em]?
  27. How to convert from petameter [Pm] to a.u. of length [a.u., b]?
  28. How to convert from a.u. of length [a.u., b] to petameter [Pm]?
  29. How to convert from terameter [Tm] to a.u. of length [a.u., b]?
  30. How to convert from a.u. of length [a.u., b] to terameter [Tm]?
  31. How to convert from gigameter [Gm] to a.u. of length [a.u., b]?
  32. How to convert from a.u. of length [a.u., b] to gigameter [Gm]?
  33. How to convert from megameter [Mm] to a.u. of length [a.u., b]?
  34. How to convert from a.u. of length [a.u., b] to megameter [Mm]?
  35. How to convert from hectometer [hm] to a.u. of length [a.u., b]?
  36. How to convert from a.u. of length [a.u., b] to hectometer [hm]?
  37. How to convert from dekameter [dam] to a.u. of length [a.u., b]?
  38. How to convert from a.u. of length [a.u., b] to dekameter [dam]?
  39. How to convert from micron [µ] to a.u. of length [a.u., b]?
  40. How to convert from a.u. of length [a.u., b] to micron [µ]?
  41. How to convert from picometer [pm] to a.u. of length [a.u., b]?
  42. How to convert from a.u. of length [a.u., b] to picometer [pm]?
  43. How to convert from femtometer [fm] to a.u. of length [a.u., b]?
  44. How to convert from a.u. of length [a.u., b] to femtometer [fm]?
  45. How to convert from attometer [am] to a.u. of length [a.u., b]?
  46. How to convert from a.u. of length [a.u., b] to attometer [am]?
  47. How to convert from megaparsec [Mpc] to a.u. of length [a.u., b]?
  48. How to convert from a.u. of length [a.u., b] to megaparsec [Mpc]?
  49. How to convert from kiloparsec [kpc] to a.u. of length [a.u., b]?
  50. How to convert from a.u. of length [a.u., b] to kiloparsec [kpc]?
  51. How to convert from parsec [pc] to a.u. of length [a.u., b]?
  52. How to convert from a.u. of length [a.u., b] to parsec [pc]?
  53. How to convert from astronomical unit [AU, UA] to a.u. of length [a.u., b]?
  54. How to convert from a.u. of length [a.u., b] to astronomical unit [AU, UA]?
  55. How to convert from league [lea] to a.u. of length [a.u., b]?
  56. How to convert from a.u. of length [a.u., b] to league [lea]?
  57. How to convert from nautical league (UK) to a.u. of length [a.u., b]?
  58. How to convert from a.u. of length [a.u., b] to nautical league (UK)?
  59. How to convert from nautical league (int.) to a.u. of length [a.u., b]?
  60. How to convert from a.u. of length [a.u., b] to nautical league (int.)?
  61. How to convert from league (statute) [st.league] to a.u. of length [a.u., b]?
  62. How to convert from a.u. of length [a.u., b] to league (statute) [st.league]?
  63. How to convert from nautical mile (UK) [NM (UK)] to a.u. of length [a.u., b]?
  64. How to convert from a.u. of length [a.u., b] to nautical mile (UK) [NM (UK)]?
  65. How to convert from nautical mile (international) to a.u. of length [a.u., b]?
  66. How to convert from a.u. of length [a.u., b] to nautical mile (international)?
  67. How to convert from mile (statute) [mi, mi (US)] to a.u. of length [a.u., b]?
  68. How to convert from a.u. of length [a.u., b] to mile (statute) [mi, mi (US)]?
  69. How to convert from mile (US survey) [mi] to a.u. of length [a.u., b]?
  70. How to convert from a.u. of length [a.u., b] to mile (US survey) [mi]?
  71. How to convert from mile (Roman) to a.u. of length [a.u., b]?
  72. How to convert from a.u. of length [a.u., b] to mile (Roman)?
  73. How to convert from kiloyard [kyd] to a.u. of length [a.u., b]?
  74. How to convert from a.u. of length [a.u., b] to kiloyard [kyd]?
  75. How to convert from furlong [fur] to a.u. of length [a.u., b]?
  76. How to convert from a.u. of length [a.u., b] to furlong [fur]?
  77. How to convert from furlong (US survey) [fur] to a.u. of length [a.u., b]?
  78. How to convert from a.u. of length [a.u., b] to furlong (US survey) [fur]?
  79. How to convert from chain [ch] to a.u. of length [a.u., b]?
  80. How to convert from a.u. of length [a.u., b] to chain [ch]?
  81. How to convert from chain (US survey) [ch] to a.u. of length [a.u., b]?
  82. How to convert from a.u. of length [a.u., b] to chain (US survey) [ch]?
  83. How to convert from rope to a.u. of length [a.u., b]?
  84. How to convert from a.u. of length [a.u., b] to rope?
  85. How to convert from rod [rd] to a.u. of length [a.u., b]?
  86. How to convert from a.u. of length [a.u., b] to rod [rd]?
  87. How to convert from rod (US survey) [rd] to a.u. of length [a.u., b]?
  88. How to convert from a.u. of length [a.u., b] to rod (US survey) [rd]?
  89. How to convert from perch to a.u. of length [a.u., b]?
  90. How to convert from a.u. of length [a.u., b] to perch?
  91. How to convert from pole to a.u. of length [a.u., b]?
  92. How to convert from a.u. of length [a.u., b] to pole?
  93. How to convert from fathom [fath] to a.u. of length [a.u., b]?
  94. How to convert from a.u. of length [a.u., b] to fathom [fath]?
  95. How to convert from fathom (US survey) [fath] to a.u. of length [a.u., b]?
  96. How to convert from a.u. of length [a.u., b] to fathom (US survey) [fath]?
  97. How to convert from ell to a.u. of length [a.u., b]?
  98. How to convert from a.u. of length [a.u., b] to ell?
  99. How to convert from foot (US survey) [ft] to a.u. of length [a.u., b]?
  100. How to convert from a.u. of length [a.u., b] to foot (US survey) [ft]?
  101. How to convert from link [li] to a.u. of length [a.u., b]?
  102. How to convert from a.u. of length [a.u., b] to link [li]?
  103. How to convert from link (US survey) [li] to a.u. of length [a.u., b]?
  104. How to convert from a.u. of length [a.u., b] to link (US survey) [li]?
  105. How to convert from cubit (UK) to a.u. of length [a.u., b]?
  106. How to convert from a.u. of length [a.u., b] to cubit (UK)?
  107. How to convert from hand to a.u. of length [a.u., b]?
  108. How to convert from a.u. of length [a.u., b] to hand?
  109. How to convert from span (cloth) to a.u. of length [a.u., b]?
  110. How to convert from a.u. of length [a.u., b] to span (cloth)?
  111. How to convert from finger (cloth) to a.u. of length [a.u., b]?
  112. How to convert from a.u. of length [a.u., b] to finger (cloth)?
  113. How to convert from nail (cloth) to a.u. of length [a.u., b]?
  114. How to convert from a.u. of length [a.u., b] to nail (cloth)?
  115. How to convert from inch (US survey) [in] to a.u. of length [a.u., b]?
  116. How to convert from a.u. of length [a.u., b] to inch (US survey) [in]?
  117. How to convert from barleycorn to a.u. of length [a.u., b]?
  118. How to convert from a.u. of length [a.u., b] to barleycorn?
  119. How to convert from mil [mil, thou] to a.u. of length [a.u., b]?
  120. How to convert from a.u. of length [a.u., b] to mil [mil, thou]?
  121. How to convert from microinch to a.u. of length [a.u., b]?
  122. How to convert from a.u. of length [a.u., b] to microinch?
  123. How to convert from angstrom [A] to a.u. of length [a.u., b]?
  124. How to convert from a.u. of length [a.u., b] to angstrom [A]?
  125. How to convert from X-unit [X] to a.u. of length [a.u., b]?
  126. How to convert from a.u. of length [a.u., b] to X-unit [X]?
  127. How to convert from fermi [F, f] to a.u. of length [a.u., b]?
  128. How to convert from a.u. of length [a.u., b] to fermi [F, f]?
  129. How to convert from arpent to a.u. of length [a.u., b]?
  130. How to convert from a.u. of length [a.u., b] to arpent?
  131. How to convert from pica to a.u. of length [a.u., b]?
  132. How to convert from a.u. of length [a.u., b] to pica?
  133. How to convert from point to a.u. of length [a.u., b]?
  134. How to convert from a.u. of length [a.u., b] to point?
  135. How to convert from twip to a.u. of length [a.u., b]?
  136. How to convert from a.u. of length [a.u., b] to twip?
  137. How to convert from aln to a.u. of length [a.u., b]?
  138. How to convert from a.u. of length [a.u., b] to aln?
  139. How to convert from famn to a.u. of length [a.u., b]?
  140. How to convert from a.u. of length [a.u., b] to famn?
  141. How to convert from caliber [cl] to a.u. of length [a.u., b]?
  142. How to convert from a.u. of length [a.u., b] to caliber [cl]?
  143. How to convert from centiinch [cin] to a.u. of length [a.u., b]?
  144. How to convert from a.u. of length [a.u., b] to centiinch [cin]?
  145. How to convert from ken to a.u. of length [a.u., b]?
  146. How to convert from a.u. of length [a.u., b] to ken?
  147. How to convert from Russian archin to a.u. of length [a.u., b]?
  148. How to convert from a.u. of length [a.u., b] to Russian archin?
  149. How to convert from Roman actus to a.u. of length [a.u., b]?
  150. How to convert from a.u. of length [a.u., b] to Roman actus?
  151. How to convert from vara de tarea to a.u. of length [a.u., b]?
  152. How to convert from a.u. of length [a.u., b] to vara de tarea?
  153. How to convert from vara conuquera to a.u. of length [a.u., b]?
  154. How to convert from a.u. of length [a.u., b] to vara conuquera?
  155. How to convert from vara castellana to a.u. of length [a.u., b]?
  156. How to convert from a.u. of length [a.u., b] to vara castellana?
  157. How to convert from cubit (Greek) to a.u. of length [a.u., b]?
  158. How to convert from a.u. of length [a.u., b] to cubit (Greek)?
  159. How to convert from long reed to a.u. of length [a.u., b]?
  160. How to convert from a.u. of length [a.u., b] to long reed?
  161. How to convert from reed to a.u. of length [a.u., b]?
  162. How to convert from a.u. of length [a.u., b] to reed?
  163. How to convert from long cubit to a.u. of length [a.u., b]?
  164. How to convert from a.u. of length [a.u., b] to long cubit?
  165. How to convert from handbreadth to a.u. of length [a.u., b]?
  166. How to convert from a.u. of length [a.u., b] to handbreadth?
  167. How to convert from fingerbreadth to a.u. of length [a.u., b]?
  168. How to convert from a.u. of length [a.u., b] to fingerbreadth?
  169. How to convert from Planck length to a.u. of length [a.u., b]?
  170. How to convert from a.u. of length [a.u., b] to Planck length?
  171. How to convert from Electron radius (classical) to a.u. of length [a.u., b]?
  172. How to convert from a.u. of length [a.u., b] to Electron radius (classical)?
  173. How to convert from Bohr radius [b, a.u.] to a.u. of length [a.u., b]?
  174. How to convert from a.u. of length [a.u., b] to Bohr radius [b, a.u.]?
  175. How to convert from Earth's equatorial radius to a.u. of length [a.u., b]?
  176. How to convert from a.u. of length [a.u., b] to Earth's equatorial radius?
  177. How to convert from Earth's polar radius to a.u. of length [a.u., b]?
  178. How to convert from a.u. of length [a.u., b] to Earth's polar radius?
  179. How to convert from Earth's distance from sun to a.u. of length [a.u., b]?
  180. How to convert from a.u. of length [a.u., b] to Earth's distance from sun?
  181. How to convert from Sun's radius to a.u. of length [a.u., b]?
  182. How to convert from a.u. of length [a.u., b] to Sun's radius?

What Is This Tool?

This tool enables precise conversion between the atomic unit of length, commonly used in atomic and molecular physics, and the parsec, a standard astronomical measurement for large-scale distances.

How to Use This Tool?

  • Enter the value in a.u. of length that you want to convert.
  • Select 'a.u. of length [a.u., b]' as the input unit and 'parsec [pc]' as the output unit.
  • Submit the input to get the corresponding measurement in parsecs.

Key Features

  • Converts atomic-scale length units (a.u. of length) to astronomical units (parsec).
  • Provides exact conversion based on recognized physical definitions.
  • Supports applications in physics, quantum chemistry, and astronomy.

Examples

  • Convert 1 a.u. of length to parsec: 1 a.u. of length = 1.7149466691218e-27 parsec.
  • Convert 5 a.u. of length to parsec: 5 × 1.7149466691218e-27 = 8.574733345609e-27 parsec.

Common Use Cases

  • Reporting electron orbital sizes in atomic physics with a.u. and relating them to parsecs for astronomical interpretation.
  • Specifying atomic geometries in quantum chemistry and comparing those scales to cosmic distances.
  • Bridging quantum mechanical measurements with astronomical data for interdisciplinary research.

Tips & Best Practices

  • Use the tool for conceptual scaling between atomic and cosmic length scales.
  • Be mindful of the extremely small values resulting from this conversion when applying it to astronomical contexts.
  • Cross-check results when high numerical precision is required due to floating-point limitations.

Limitations

  • The atomic unit of length is much smaller than the parsec, so conversion results in very small numbers.
  • Numerical precision and floating-point representation may affect practical usage in computations.
  • Not suitable for direct astronomical measurements without appropriate context or scaling.

Frequently Asked Questions

What is the atomic unit of length used for?
It is primarily used to express distances at atomic scales, such as electron orbital sizes and interatomic distances in quantum chemistry.

Why convert atomic length units to parsecs?
To bridge quantum scale measurements with astronomical distances, facilitating interdisciplinary analysis between atomic physics and astronomy.

Are the converted values practical for astronomy?
Due to the extremely small scale of atomic units compared to parsecs, the results often involve very small numbers and require careful numerical handling.

Key Terminology

Atomic Unit of Length (a.u. of length)
The characteristic length scale in atomic physics defined by the Bohr radius, representing typical atomic distances.
Parsec (pc)
An astronomical unit of distance defined by the distance at which one astronomical unit subtends an angle of one arcsecond, widely used in astronomy.
Bohr Radius (a0)
The mean electron–proton separation in the hydrogen atom ground state as used in atomic unit definitions.

Quick Knowledge Check

What does 'a.u. of length' represent?
What does one parsec (pc) approximately equal?
Why might converting from a.u. of length to parsec produce very small numbers?