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Metal 3D Printing Design Guide

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

Selecting the Right 3D Printer

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

Mechanical Engineers Outlook

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

Injection Molding Design Guide

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

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watt
Symbol:  W 
Category:  Power (Heat flow) 
SI Equivalent:  1 W
Dimension ML2T-3 
System:  SI 
 
Notes
Named in honor of the Scottish inventor James Watt (1736-1819), the watt is the unit of power in the SI system. It is equal to 1 joule of work produced per second.
Convert     W  
34 conversions, showing those commonly used | Show all
1 W =
Power (Heat flow)
  Symbol Unit Name
3.41214  Btu (IT)/h  British thermal unit (IT) per hour 
9.47817×10-4  Btu (IT)/s  British thermal unit (IT) per second 
9.48452×10-4  Btu (therm.)/s  British thermal unit (therm.) per second 
859.858  cal (IT)/h  calorie (IT) per hour 
0.238849  cal (IT)/s  calorie (IT) per second 
616.438  cal (therm.)/h  calorie (therm.) per hour 
0.239006  cal (therm.)/s  calorie (therm.) per second 
10×106  erg/s  erg per second 
2655.22  ft-lbf/h  foot-pound force per hour 
0.737562  ft-lbf/s  foot-pound force per second 
1.34102×10-3  HP  horsepower (550 ft-lbf/s) 
1.35962×10-3  cv, HP  horsepower (cheval-vapeur) 
1.35962×10-3  HP  horsepower (metric) 
1.34041×10-3  HP  horsepower (water) 
0.101972  kgf-m/s  kilogram force-meter per second 
1×10-3  kW  kilowatt 
2.54927×10-4  CTR (UK)  ton (refrigeration, UK) 
2.84349×10-4  CTR (US)  ton (refrigeration, US) 
VA  volt-ampere 
0.99981  W  watt (int. mean) 
0.999835  W  watt (int. US) 
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Glossary
Metal 3D Printing Design Guide

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

Selecting the Right 3D Printer

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

Mechanical Engineers Outlook

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

Injection Molding Design Guide

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