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Essentials of Manufacturing

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

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

CNC Machining Design Guide

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

Metal 3D Printing Design Guide

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

more free publications
 
year (calendar)
Symbol:  a, y 
Category:  Time 
SI Equivalent:  3.1536×107 s
Dimension
 
Notes
1 year (calendar) = 365 days
Convert     a, y  
1 a, y =
Permeability coefficient
  Symbol Unit Name
3.1536×107  kg-m/N-s  kilogram meter per newton per second 
2.17008×1019  perm-inch (0 °C)  perm-inch (0°C) 
2.16105×1019  perm-inch (23 °C)  perm-inch (23°C) 
2.17008×1022  perm-mil (0 °C)  perm-mil (0°C) 
2.16105×1022  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
1.30374×1024  a.u.  a.u. of time 
3.65×107    blink 
365  d  day 
366  d (sider.)  day (sidereal) 
26.0714    fortnight 
8760  h  hour 
3.35504×1030    Jordan's elementary time 
3.1536×1013  ms  microsecond 
3.1536×1010  ms  millisecond 
5.256×105  min, mn  minute 
12.1667    month (30 days) 
13.3594    month (sidereal) 
12    month (solar mean) 
12.3601    month (synodic), lunar month 
3.1536×1016  ns  nanosecond 
3.1536×107  s  second 
3.1536×1015    shake 
52.1429  w  week 
9.4608×1016    wink 
0.999307  aastr.  year (astronomical), Bessel year 
0.999298    year (sidereal) 
0.999316  a, y  year (solar mean) 
0.999337  atrop.  year (tropical) 
Glossary
Essentials of Manufacturing

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

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

CNC Machining Design Guide

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

Metal 3D Printing Design Guide

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