Units Currencies
Constants
Units Home
Unit Conversion
List Units
List Categories
Currencies
Convert Units
SI System
Base Units
Derived Units
Prefixes
Numbers
Constants
Base-N
Fractions
Time / Decimal
Resources
Bibliography
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Autonomous Vehicle Engineering

The No. 1 media source for those developing the next generation mobility solutions.

Essentials of Manufacturing

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

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

more free magazines
 
year (solar mean)
Symbol:  a, y 
Category:  Time 
SI Equivalent:  3.15576×107 s
Dimension
 
Notes
365.25 days.
Convert     a, y  
1 a, y =
Permeability coefficient
  Symbol Unit Name
3.15576×107  kg-m/N-s  kilogram meter per newton per second 
2.17156×1019  perm-inch (0 °C)  perm-inch (0°C) 
2.16253×1019  perm-inch (23 °C)  perm-inch (23°C) 
2.17156×1022  perm-mil (0 °C)  perm-mil (0°C) 
2.16253×1022  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
1.30463×1024  a.u.  a.u. of time 
3.6525×107    blink 
365.25  d  day 
366.25  d (sider.)  day (sidereal) 
26.0893    fortnight 
8766  h  hour 
3.35733×1030    Jordan's elementary time 
3.15576×1013  ms  microsecond 
3.15576×1010  ms  millisecond 
5.2596×105  min, mn  minute 
12.175    month (30 days) 
13.3685    month (sidereal) 
12.0082    month (solar mean) 
12.3685    month (synodic), lunar month 
3.15576×1016  ns  nanosecond 
3.15576×107  s  second 
3.15576×1015    shake 
52.1786  w  week 
9.46728×1016    wink 
0.999991  aastr.  year (astronomical), Bessel year 
1.00068  a, y  year (calendar) 
0.999983    year (sidereal) 
1.00002  atrop.  year (tropical) 
Glossary