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
Mechanical Engineers Outlook

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

CNC Machining Design Guide

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

Essentials of Manufacturing

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

more free publications

Materials

Design

Processes

Units

Formulas

Math
 
quadrillion
Symbol:  quad 
Category:  Energy 
SI Equivalent:  1.05506×1018 J
Dimension:  Ml2T-2 
System:  US 
 
Notes
Large unit of energy used in the energy industry.
1 quad = 1015 Btu
Convert     quad  
1 quad =
Energy
  Symbol Unit Name
2.41999×1035  Eh  a.u. of energy 
1.72395×108  bboe  barrel oil equivalent 
1.72395×108  bboe  bboe (barrel oil equivalent) 
6.58514×1027  BeV  BeV (billion eV) 
9.99996×1014  Btu (ISO)  British thermal unit (ISO) 
10×1014  Btu (IT)  British thermal unit (IT) 
9.99229×1014  Btu (mean)  British thermal unit (mean) 
1.00067×1015  Btu (therm.)  British thermal unit (thermochemical) 
2.52104×1017  cal15  calorie (15°C) 
2.50935×1017  cal4  calorie (4°C) 
2.52406×1014  Cal, kcal  Calorie (diet kilocalorie) 
2.51999×1017  cal (IT)  calorie (IT) (International Steam Table) 
2.51802×1017  calmean  calorie (mean) 
2.52164×1017  cal (therm.)  calorie (thermochemical) 
5.55532×1014  Chu  Celsius-heat unit 
1.05506×1018  C-V  coulomb volt 
1.04126×1019  cm3-atm  cubic centimeter-atm 
3.67718×1014  ft3-atm  cubic foot atm 
6.58514×1036  eV  electronvolt 
1.05506×1025  erg  erg 
7.78169×1017  ft-lbf  foot-pound force 
2.50369×1019  ft-pdl  foot-poundal 
6.58514×1027  GeV  gigaelectronvolt 
2.51999×1017  gram-cal  gram calorie 
2.41999×1035  Eh  hartree 
3.93015×1011  Hp-h  horsepower (550ft-lbf/s)-hour 
9.33803×1018  in-lbf  inch pound force 
1.05506×1018  J  joule 
2.52074×1014  kcal15  kilocalorie (15°C) 
2.50935×1014  kcal4  kilocalorie (4°C) 
6.58514×1033  keV  kiloelectronvolt 
1.05506×1015  kJ  kilojoule 
2.52406×105  kt (TNT)  kiloton TNT equivalent 
2.93071×1011  kWh  kilowatt-hour 
6.58514×1030  MeV  megaelectronvolt 
1.05506×1012  MJ  megajoule 
252.406  Mt (TNT)  megaton TNT equivalent 
1.05506×1018  N-m  newton meter 
1.00005×10-3    Q unit 
1  quad  quad 
4.83999×1035  Ry  rydberg 
3.6021×107  tce  tce (tonne coal equivalent) 
10×109    therm (EEG) 
1.00024×1010    therm (US) 
2.52074×1011  th15 °C  thermie (15°C) 
2.51984×107  toe  toe (tonne oil equivalent) 
2.52406×108  ton (TNT)  ton TNT equivalent 
3.6021×107  tce  tonne coal equivalent 
2.51984×107  toe  tonne oil equivalent 
2.93071×1014  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
1.05506×1025  dyn-cm  dyne-centimeter 
1.07586×1022  gf-cm  gram force-centimeter 
1.07586×1017  kgf-m  kilogram force-meter 
1.05506×1020  N-cm  newton-centimeter 
1.05506×1018  N-m  newton-meter 
1.49408×1020  ozf-in  ounce force-inch 
7.78169×1017  lbf-ft  pound force-foot 
9.33803×1018  lbf-in  pound force-inch 
2.50369×1019  pdl-ft  poundal-foot 
Glossary
FREE Publications
Mechanical Engineers Outlook

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

CNC Machining Design Guide

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

Essentials of Manufacturing

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

more publications