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Selecting the Right 3D Printer

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

Essentials of Manufacturing

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

Metal 3D Printing Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

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week
Symbol:  w 
Category:  Time 
SI Equivalent:  6.048×105 s
Dimension
 
Notes
1 week = 7 days
Convert     w  
1 w =
Permeability coefficient
  Symbol Unit Name
6.048×105  kg-m/N-s  kilogram meter per newton per second 
4.16179×1017  perm-inch (0 °C)  perm-inch (0°C) 
4.14448×1017  perm-inch (23 °C)  perm-inch (23°C) 
4.16179×1020  perm-mil (0 °C)  perm-mil (0°C) 
4.14448×1020  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
2.50033×1022  a.u.  a.u. of time 
7×105    blink 
d  day 
7.01917  d (sider.)  day (sidereal) 
0.5    fortnight 
168  h  hour 
6.43432×1028    Jordan's elementary time 
6.048×1011  ms  microsecond 
6.048×108  ms  millisecond 
1.008×104  min, mn  minute 
0.233333    month (30 days) 
0.256207    month (sidereal) 
0.230137    month (solar mean) 
0.237042    month (synodic), lunar month 
6.048×1014  ns  nanosecond 
6.048×105  s  second 
6.048×1013    shake 
1.8144×1015    wink 
1.91648×10-2  aastr.  year (astronomical), Bessel year 
1.91781×10-2  a, y  year (calendar) 
1.91646×10-2    year (sidereal) 
1.9165×10-2  a, y  year (solar mean) 
1.91654×10-2  atrop.  year (tropical) 
Glossary
Selecting the Right 3D Printer

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

Essentials of Manufacturing

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

Metal 3D Printing Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.