Online Length Units Converter
How to Convert from A.u. of length [a.u., b] to Exameter [Em]

How to Convert from A.u. of length [a.u., b] to Exameter [Em]

Learn how to convert atomic units of length (a.u., b) to exameters (Em), bridging quantum-scale measurements to cosmological distances with this online unit converter.

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A.u. of length [a.u., b] to Exameter [Em] Conversion Table

A.u. of length [a.u., b] Exameter [Em]

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A.u. of length [a.u., b] to Exameter [Em] Conversion Table
A.u. of length [a.u., b] Exameter [Em]

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 converts length measurements from atomic units of length, defined by the Bohr radius, to exameters, which represent extremely large distances used in astrophysics and cosmology.

How to Use This Tool?

  • Enter the length value in atomic units of length (a.u., b).
  • Select exameters (Em) as the target unit for conversion.
  • Click the convert button to see the equivalent length in exameters.
  • Review the result to relate atomic-scale distances to astrophysical scales.

Key Features

  • Converts atomic-scale length units (a.u., b) to exameters (Em).
  • Uses the established conversion rate based on the Bohr radius and SI unit standards.
  • Supports comparisons between microscopic quantum lengths and vast cosmological distances.
  • Browser-based and easy to operate with no installation required.

Examples

  • Converting 10 A.u. of length gives 5.29177249e-28 Exameter.
  • Converting 1,000 A.u. of length results in 5.29177249e-26 Exameter.

Common Use Cases

  • Reporting electron orbital sizes and atomic-scale geometries in quantum physics.
  • Comparing atomic-scale distances to cosmological distances in astrophysics and cosmology.
  • Scaling and bridging measurements from quantum mechanics to galactic and interstellar distances.

Tips & Best Practices

  • Use this tool for theoretical or comparative analysis where units span vastly different scales.
  • Interpret results carefully, considering the extremely small values due to the scale difference.
  • Apply conversions to aid scientific research that connects atomic and cosmological length measurements.

Limitations

  • Converted values are extremely small and may be impractical for direct measurement or engineering uses.
  • Mainly intended for theoretical understanding and scientific comparisons across scale domains.
  • The vast scale difference means values are not suitable for everyday length measurement applications.

Frequently Asked Questions

What is the atomic unit of length used in this conversion?
It is the Bohr radius (a0), defined as the average electron-proton distance in a hydrogen atom's ground state and used in atomic physics.

What does the exameter represent?
An exameter (Em) is an SI length unit equal to one quintillion metres, used for describing very large distances in astrophysics and cosmology.

Why are values so small when converting from A.u. to Em?
Because atomic units represent incredibly tiny distances, converting them to exameters, which measure enormous lengths, results in extremely small numerical values.

Key Terminology

Atomic Unit of Length (a.u., b)
The Bohr radius, the average distance between electron and proton in hydrogen’s ground state, used for atomic-scale length measurements.
Exameter (Em)
An SI unit of length equal to 10^18 metres, commonly used to quantify vast distances in astronomy and cosmology.
Bohr Radius (a0)
A fundamental atomic length scale that serves as the basis for the atomic unit of length.

Quick Knowledge Check

What physical length does the atomic unit of length correspond to?
An exameter is best suited to measure lengths on which scale?
Why is converting a.u. of length to exameter mainly theoretical?