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Essentials of Manufacturing

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

Selecting the Right 3D Printer

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

CNC Machining Design Guide

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Negotiate Your Salary

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perm-inch (23°C)
Symbol:  perm-inch (23 °C) 
Category:  Permeability coefficient 
SI Equivalent:  1.45929×10-12 kg/Pa-m-s
Dimension
System:  US 
Convert     perm-inch (23 °C)  
1 perm-inch (23 °C) =
Permeability coefficient
  Symbol Unit Name
1.45929×10-12  kg-m/N-s  kilogram meter per newton per second 
1.00418  perm-inch (0 °C)  perm-inch (0°C) 
1004.18  perm-mil (0 °C)  perm-mil (0°C) 
1000  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
6.03291×104  a.u.  a.u. of time 
1.68899×10-12    blink 
1.68899×10-17  d  day 
1.69362×10-17  d (sider.)  day (sidereal) 
1.20642×10-18    fortnight 
4.05358×10-16  h  hour 
1.5525×1011    Jordan's elementary time 
1.45929×10-6  ms  microsecond 
1.45929×10-9  ms  millisecond 
2.43215×10-14  min, mn  minute 
5.62998×10-19    month (30 days) 
6.18188×10-19    month (sidereal) 
5.55285×10-19    month (solar mean) 
5.71947×10-19    month (synodic), lunar month 
1.45929×10-3  ns  nanosecond 
1.45929×10-12  s  second 
1.45929×10-4    shake 
2.41285×10-18  w  week 
4.37787×10-3    wink 
4.62417×10-20  aastr.  year (astronomical), Bessel year 
4.62738×10-20  a, y  year (calendar) 
4.62413×10-20    year (sidereal) 
4.62421×10-20  a, y  year (solar mean) 
4.62431×10-20  atrop.  year (tropical) 
Glossary
Essentials of Manufacturing

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

Selecting the Right 3D Printer

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

CNC Machining Design Guide

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

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!