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3D Scanners

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a.u. of time
Symbol:  a.u. 
Category:  Time 
SI Equivalent:  2.41888×10-17 s
Dimension
System:  a.u. 
 
Notes
1 a.u. of time = h/2pEh
where h is the Planck constant (6.626069×10-34 J-s) and Eh = 1 hartree (4.3597482×10-18J).
Convert     a.u.  
1 a.u. =
Permeability coefficient
  Symbol Unit Name
2.41888×10-17  kg-m/N-s  kilogram meter per newton per second 
1.6645×10-5  perm-inch (0 °C)  perm-inch (0°C) 
1.65758×10-5  perm-inch (23 °C)  perm-inch (23°C) 
1.6645×10-2  perm-mil (0 °C)  perm-mil (0°C) 
1.65758×10-2  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
2.79963×10-17    blink 
2.79963×10-22  d  day 
2.8073×10-22  d (sider.)  day (sidereal) 
1.99974×10-23    fortnight 
6.71912×10-21  h  hour 
2.57339×106    Jordan's elementary time 
2.41888×10-11  ms  microsecond 
2.41888×10-14  ms  millisecond 
4.03147×10-19  min, mn  minute 
9.33212×10-24    month (30 days) 
1.02469×10-23    month (sidereal) 
9.20428×10-24    month (solar mean) 
9.48046×10-24    month (synodic), lunar month 
2.41888×10-8  ns  nanosecond 
2.41888×10-17  s  second 
2.41888×10-9    shake 
3.99948×10-23  w  week 
7.25665×10-8    wink 
7.66492×10-25  aastr.  year (astronomical), Bessel year 
7.67023×10-25  a, y  year (calendar) 
7.66485×10-25    year (sidereal) 
7.66498×10-25  a, y  year (solar mean) 
7.66514×10-25  atrop.  year (tropical) 
Glossary
3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?