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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!

Injection Molding Design Guide

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

Metal 3D Printing Design Guide

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

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rydberg
Symbol:  Ry 
Category:  Energy 
SI Equivalent:  2.17987×10-18 J
Dimension:  ML2T-2 
Convert     Ry  
59 conversions, showing those commonly used | Show all
1 Ry =
Energy
  Symbol Unit Name
3.56189×10-28  bboe  barrel oil equivalent 
2.06612×10-21  Btu (IT)  British thermal unit (IT) 
2.06453×10-21  Btu (mean)  British thermal unit (mean) 
2.06751×10-21  Btu (therm.)  British thermal unit (thermochemical) 
5.21501×10-22  Cal, kcal  Calorie (diet kilocalorie) 
5.20254×10-19  calmean  calorie (mean) 
5.21002×10-19  cal (therm.)  calorie (thermochemical) 
13.6057  eV  electronvolt 
2.17987×10-11  erg  erg 
1.60779×10-18  ft-lbf  foot-pound force 
5.17292×10-17  ft-pdl  foot-poundal 
8.12016×10-25  Hp-h  horsepower (550ft-lbf/s)-hour 
2.17987×10-18  J  joule 
5.20816×10-22  kcal15  kilocalorie (15°C) 
5.18462×10-22  kcal4  kilocalorie (4°C) 
2.17987×10-21  kJ  kilojoule 
5.21501×10-31  kt (TNT)  kiloton TNT equivalent 
6.05521×10-25  kWh  kilowatt-hour 
1.36057×10-5  MeV  megaelectronvolt 
2.17987×10-24  MJ  megajoule 
5.21501×10-34  Mt (TNT)  megaton TNT equivalent 
7.44238×10-29  tce  tce (tonne coal equivalent) 
2.06662×10-26    therm (US) 
5.21501×10-28  ton (TNT)  ton TNT equivalent 
6.05521×10-22  Wh  watt hour 
more...
Glossary
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!

Injection Molding Design Guide

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

Metal 3D Printing Design Guide

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