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.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Injection Molding Design Guide

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

more free publications

Materials

Design

Processes

Units

Formulas

Math
 
megapascal
Symbol:  MPa 
Category:  Pressure 
SI Equivalent:  1×106 Pa
Dimension:  ML-1T-2 
System:  SI 
Convert     MPa  
331 MPa =
Energy density
  Symbol Unit Name
8883.77  Btu (IT)/ft3  British thermal unit (IT) per cubic foot 
1426.23  Btu (IT)/gal (UK)  British thermal unit (IT) per gallon (UK) 
1187.59  Btu (IT)/gal (US)  British thermal unit (IT) per gallon (US) 
3.31×108  J/m3  joule per cubic meter 
3.31×105  kJ/m3  kilojoule per cubic meter 
4.15947×104  MGOe  megagauss-oersted (MGOe) 
Pressure
  Symbol Unit Name
3375.26  at  atmosphere (metric) 
3266.72  atm  atmosphere (standard) 
3310  bar  bar 
3.31×109  barad  barad 
3.31×109    barye 
2.4827×105    centiHg (0°C) 
2.4827×105  cmHg (0 °C)  centimeter of mercury (0°C) 
3.37536×106  cmH2O  centimeter of water (4°C) 
3.31×109  dyn/cm2  dyne per square centimeter 
1.1074×105  ft H2O  foot of water (4°C) 
0.331  GPa  gigapascal 
3.31×106  hPa  hectopascal 
9.77444×104  inHg (0 °C)  inch of mercury (0°C) 
9.80107×104  inHg (15.56 °C)  inch of mercury (15.56°C) 
1.33014×106  inH2O (15.56 °C)  inch of water (15.56°C) 
1.32888×106  inH2O (4 °C)  inch of water (4°C) 
3375.26  kgf/cm2  kilogram force per square centimeter 
3.37526×105  kgf/dm2  kilogram force per square decimeter 
3.37526×107  kgf/m2  kilogram force per square meter 
33.7526  kgf/mm2  kilogram force per square millimeter 
3.31×105  kPa  kilopascal 
48.0075  kip/in2, ksi, KSI  kilopound force per square inch 
3.37856×104  mH2O, mCE (15.56 °C)  meter of water (15.56°C) 
3.37536×104  mH2O, mCE (4 °C)  meter of water (4°C) 
3.31×109  µbar  microbar (barye, barrie) 
2.4827×109  µHg (0 °C)  micron of mercury (millitorr) 
3.31×106  mbar  millibar 
2.4827×106  mmHg, torr, Torr (0 °C)  millimeter of mercury (0°C) 
3.37856×107  mmH2O, mmCE (15.56 °C)  millimeter of water (15.56°C) 
3.37536×107  mmH2O, mmCE (4 °C)  millimeter of water (4°C) 
2.4827×109  mtorr  millitorr 
3.31×108  N/m2  newton per square meter 
7.6812×105  ozf/in2, osi  ounce force (av.) per square inch 
3.31×108  Pa, N/m2  pascal 
6.91308×106  lbf/ft2  pound force per square foot 
4.80075×104  psi, PSI, lbf/in2  pound force per square inch 
2.22422×108  pdl/ft2  poundal per square foot 
1.5446×106  pdl/in2  poundal per square inch 
3266.72  atm  standard atmosphere 
3086.2  tonf/ft2 (UK)  ton force (long) per square foot 
21.4319  tonf/in2 (UK)  ton force (long) per square inch 
3.37526  tonf/cm2 (metric)  ton force (metric) per square centimeter 
3.37526×104  tonf/m2 (metric)  ton force (metric) per square meter 
3456.54  tonf/ft2 (US)  ton force (short) per square foot 
24.0037  tonf/in2 (US)  ton force (short) per square inch 
2.4827×106  torr  torr 
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.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Injection Molding Design Guide

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

more publications