| Energy density |
| |
Symbol |
Unit Name |
| 9259.52 |
Btu (IT)/ft3 |
British thermal unit (IT) per cubic foot |
| 1486.56 |
Btu (IT)/gal (UK) |
British thermal unit (IT) per gallon (UK) |
| 1237.82 |
Btu (IT)/gal (US) |
British thermal unit (IT) per gallon (US) |
| 3.45×108 |
J/m3 |
joule per cubic meter |
| 3.45×105 |
kJ/m3 |
kilojoule per cubic meter |
| 4.3354×104 |
MGOe |
megagauss-oersted (MGOe) |
| Pressure |
| |
Symbol |
Unit Name |
| 3518.02 |
at |
atmosphere (metric) |
| 3404.89 |
atm |
atmosphere (standard) |
| 3450 |
bar |
bar |
| 3.45×109 |
barad |
barad |
| 3.45×109 |
|
barye |
| 2.58771×105 |
|
centiHg (0°C) |
| 2.58771×105 |
cmHg (0 °C) |
centimeter of mercury (0°C) |
| 3.51812×106 |
cmH2O |
centimeter of water (4°C) |
| 3.45×109 |
dyn/cm2 |
dyne per square centimeter |
| 1.15424×105 |
ft H2O |
foot of water (4°C) |
| 0.345 |
GPa |
gigapascal |
| 3.45×106 |
hPa |
hectopascal |
| 1.01879×105 |
inHg (0 °C) |
inch of mercury (0°C) |
| 1.02156×105 |
inHg (15.56 °C) |
inch of mercury (15.56°C) |
| 1.3864×106 |
inH2O (15.56 °C) |
inch of water (15.56°C) |
| 1.38509×106 |
inH2O (4 °C) |
inch of water (4°C) |
| 3518.02 |
kgf/cm2 |
kilogram force per square centimeter |
| 3.51802×105 |
kgf/dm2 |
kilogram force per square decimeter |
| 3.51802×107 |
kgf/m2 |
kilogram force per square meter |
| 35.1802 |
kgf/mm2 |
kilogram force per square millimeter |
| 3.45×105 |
kPa |
kilopascal |
| 50.038 |
kip/in2, ksi, KSI |
kilopound force per square inch |
| 3.52146×104 |
mH2O, mCE (15.56 °C) |
meter of water (15.56°C) |
| 3.51812×104 |
mH2O, mCE (4 °C) |
meter of water (4°C) |
| 3.45×109 |
µbar |
microbar (barye, barrie) |
| 2.58771×109 |
µHg (0 °C) |
micron of mercury (millitorr) |
| 3.45×106 |
mbar |
millibar |
| 2.58771×106 |
mmHg, torr, Torr (0 °C) |
millimeter of mercury (0°C) |
| 3.52146×107 |
mmH2O, mmCE (15.56 °C) |
millimeter of water (15.56°C) |
| 3.51812×107 |
mmH2O, mmCE (4 °C) |
millimeter of water (4°C) |
| 2.58771×109 |
mtorr |
millitorr |
| 3.45×108 |
N/m2 |
newton per square meter |
| 8.00608×105 |
ozf/in2, osi |
ounce force (av.) per square inch |
| 3.45×108 |
Pa, N/m2 |
pascal |
| 7.20547×106 |
lbf/ft2 |
pound force per square foot |
| 5.0038×104 |
psi, PSI, lbf/in2 |
pound force per square inch |
| 2.31829×108 |
pdl/ft2 |
poundal per square foot |
| 1.60993×106 |
pdl/in2 |
poundal per square inch |
| 3404.89 |
atm |
standard atmosphere |
| 3216.73 |
tonf/ft2 (UK) |
ton force (long) per square foot |
| 22.3384 |
tonf/in2 (UK) |
ton force (long) per square inch |
| 3.51802 |
tonf/cm2 (metric) |
ton force (metric) per square centimeter |
| 3.51802×104 |
tonf/m2 (metric) |
ton force (metric) per square meter |
| 3602.74 |
tonf/ft2 (US) |
ton force (short) per square foot |
| 25.019 |
tonf/in2 (US) |
ton force (short) per square inch |
| 2.58771×106 |
torr |
torr |
