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Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

3D Scanners

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

more free publications
 
day (sidereal)
Symbol:  d (sider.) 
Category:  Time 
SI Equivalent:  8.6164×104 s
Dimension
 
Notes
The sidereal day is the time needed for the earth to complete one revolution relative to the remote stars.
Convert     d (sider.)  
1 d (sider.) =
Permeability coefficient
  Symbol Unit Name
8.6164×104  kg-m/N-s  kilogram meter per newton per second 
5.92918×1016  perm-inch (0 °C)  perm-inch (0°C) 
5.90452×1016  perm-inch (23 °C)  perm-inch (23°C) 
5.92918×1019  perm-mil (0 °C)  perm-mil (0°C) 
5.90452×1019  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
3.56214×1021  a.u.  a.u. of time 
9.97268×104    blink 
0.997269  d  day 
7.12335×10-2    fortnight 
23.9344  h  hour 
9.16677×1027    Jordan's elementary time 
8.6164×1010  ms  microsecond 
8.6164×107  ms  millisecond 
1436.07  min, mn  minute 
3.32423×10-2    month (30 days) 
3.6501×10-2    month (sidereal) 
3.27869×10-2    month (solar mean) 
3.37707×10-2    month (synodic), lunar month 
8.6164×1013  ns  nanosecond 
8.6164×104  s  second 
8.6164×1012    shake 
0.142467  w  week 
2.58492×1014    wink 
2.73035×10-3  aastr.  year (astronomical), Bessel year 
2.73224×10-3  a, y  year (calendar) 
2.73032×10-3    year (sidereal) 
2.73037×10-3  a, y  year (solar mean) 
2.73043×10-3  atrop.  year (tropical) 
Glossary
Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

3D Scanners

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.