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Selecting the Right 3D Printer

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

Essentials of Manufacturing

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

Metal 3D Printing Design Guide

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

Mechanical Engineers Outlook

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

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megapascal
Symbol:  MPa 
Category:  Pressure 
SI Equivalent:  1×106 Pa
Dimension:  ML-1T-2 
System:  SI 
Convert     MPa  
621 MPa =
Energy density
  Symbol Unit Name
1.66671×104  Btu (IT)/ft3  British thermal unit (IT) per cubic foot 
2675.8  Btu (IT)/gal (UK)  British thermal unit (IT) per gallon (UK) 
2228.07  Btu (IT)/gal (US)  British thermal unit (IT) per gallon (US) 
6.21×108  J/m3  joule per cubic meter 
6.21×105  kJ/m3  kilojoule per cubic meter 
7.80372×104  MGOe  megagauss-oersted (MGOe) 
Pressure
  Symbol Unit Name
6332.44  at  atmosphere (metric) 
6128.79  atm  atmosphere (standard) 
6210  bar  bar 
6.21×109  barad  barad 
6.21×109    barye 
4.65788×105    centiHg (0°C) 
4.65788×105  cmHg (0 °C)  centimeter of mercury (0°C) 
6.33262×106  cmH2O  centimeter of water (4°C) 
6.21×109  dyn/cm2  dyne per square centimeter 
2.07763×105  ft H2O  foot of water (4°C) 
0.621  GPa  gigapascal 
6.21×106  hPa  hectopascal 
1.83381×105  inHg (0 °C)  inch of mercury (0°C) 
1.83881×105  inHg (15.56 °C)  inch of mercury (15.56°C) 
2.49553×106  inH2O (15.56 °C)  inch of water (15.56°C) 
2.49316×106  inH2O (4 °C)  inch of water (4°C) 
6332.44  kgf/cm2  kilogram force per square centimeter 
6.33244×105  kgf/dm2  kilogram force per square decimeter 
6.33244×107  kgf/m2  kilogram force per square meter 
63.3244  kgf/mm2  kilogram force per square millimeter 
6.21×105  kPa  kilopascal 
90.0684  kip/in2, ksi, KSI  kilopound force per square inch 
6.33864×104  mH2O, mCE (15.56 °C)  meter of water (15.56°C) 
6.33262×104  mH2O, mCE (4 °C)  meter of water (4°C) 
6.21×109  µbar  microbar (barye, barrie) 
4.65788×109  µHg (0 °C)  micron of mercury (millitorr) 
6.21×106  mbar  millibar 
4.65788×106  mmHg, torr, Torr (0 °C)  millimeter of mercury (0°C) 
6.33864×107  mmH2O, mmCE (15.56 °C)  millimeter of water (15.56°C) 
6.33261×107  mmH2O, mmCE (4 °C)  millimeter of water (4°C) 
4.65788×109  mtorr  millitorr 
6.21×108  N/m2  newton per square meter 
1.44109×106  ozf/in2, osi  ounce force (av.) per square inch 
6.21×108  Pa, N/m2  pascal 
1.29699×107  lbf/ft2  pound force per square foot 
9.00684×104  psi, PSI, lbf/in2  pound force per square inch 
4.17293×108  pdl/ft2  poundal per square foot 
2.89787×106  pdl/in2  poundal per square inch 
6128.79  atm  standard atmosphere 
5790.11  tonf/ft2 (UK)  ton force (long) per square foot 
40.2091  tonf/in2 (UK)  ton force (long) per square inch 
6.33244  tonf/cm2 (metric)  ton force (metric) per square centimeter 
6.33244×104  tonf/m2 (metric)  ton force (metric) per square meter 
6484.93  tonf/ft2 (US)  ton force (short) per square foot 
45.0342  tonf/in2 (US)  ton force (short) per square inch 
4.65788×106  torr  torr 
Glossary
FREE Publications
Selecting the Right 3D Printer

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

Essentials of Manufacturing

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

Metal 3D Printing Design Guide

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

Mechanical Engineers Outlook

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

more publications