Metric | |
| bar | |
| kilopascal (kPa) | |
| hectopascal (hPa) | |
| megapascal (MPa) | |
| millibar | |
| pascal (Pa) | |
| kilogram per square centimeter (kgf/cm2) | |
| kilogram per square meter (kgf/m2) | |
| newton per square meter (N/m2) | |
| kilonewton per square meter (kN/m2) | |
| meganewton per square meter (MN/m2) | |
| newton per square centimeter (N/cm2) | |
| newton per square millimeter (N/mm2) |
Atmosphere | |
| physical atmosphere (atm) | |
| technical atmosphere |
British and U.S. (Imperial system) | |
| thousand pounds per square inch (ksi) | |
| pound per square inch (psi) | |
| pound per square foot | |
| ton (U.S.) per square inch | |
| ton (U.S.) per square foot | |
| long ton (U.K.) per square inch | |
| long ton (U.K.) per square foot |
Mercury | |
| inch of mercury | |
| centimeter of mercury | |
| millimeter of mercury (torr) |
Water (at 39.2°F, 4°C) | |
| meter of water | |
| centimeter of water | |
| foot of water | |
| inch of water |