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
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.

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.

more free publications
 
hour
Symbol:  h 
Category:  Time 
SI Equivalent:  3600 s
Dimension
 
Notes
1 hour= 60 minutes
 = 3600 seconds
Convert     h  
1 h =
Permeability coefficient
  Symbol Unit Name
3600  kg-m/N-s  kilogram meter per newton per second 
2.47726×1015  perm-inch (0 °C)  perm-inch (0°C) 
2.46695×1015  perm-inch (23 °C)  perm-inch (23°C) 
2.47726×1018  perm-mil (0 °C)  perm-mil (0°C) 
2.46695×1018  perm-mil (23 °C)  perm-mil (23°C) 
Time
  Symbol Unit Name
1.48829×1020  a.u.  a.u. of time 
4166.67    blink 
4.16667×10-2  d  day 
4.17808×10-2  d (sider.)  day (sidereal) 
2.97619×10-3    fortnight 
3.82995×1026    Jordan's elementary time 
3.6×109  ms  microsecond 
3.6×106  ms  millisecond 
60  min, mn  minute 
1.38889×10-3    month (30 days) 
1.52504×10-3    month (sidereal) 
1.36986×10-3    month (solar mean) 
1.41097×10-3    month (synodic), lunar month 
3.6×1012  ns  nanosecond 
3600  s  second 
3.6×1011    shake 
5.95238×10-3  w  week 
1.08×1013    wink 
1.14076×10-4  aastr.  year (astronomical), Bessel year 
1.14155×10-4  a, y  year (calendar) 
1.14075×10-4    year (sidereal) 
1.14077×10-4  a, y  year (solar mean) 
1.1408×10-4  atrop.  year (tropical) 
Glossary
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.

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.