| Electric current |
A (ampere) |
| Electric power |
W (watt) |
| Electric resistance |
ohm |
| Electric voltage |
V (volt) |
| Length |
mm (millimeter) |
| in (inch) |
| Negative pressure |
kPa (kilo pascal) |
| mmHg (millimeters of mercury) |
| inHg (inches of mercury) |
| Positive pressure |
kPa (kilo pascal) |
| kgf/cm 2
(kilogram force per square centimeter) |
| psi (pounds per square inch) |
| Number of revolutions |
rpm (revolutions per minute) |
| Torque |
N-m (Newton meter) |
| kgf-m (kilogram force meter) |
| kgf-cm (kilogram force centimeter) |
| ft-lbf (foot pound force) |
| in-lbf (inch pound force) |
| Volume |
L (liter) |
| US qt (U.S. quart) |
| Imp qt (Imperial quart) |
| ml (milliliter) |
| cc (cubic centimeter) |
| cu in (cubic inch) |
| fl oz (fluid ounce) |
| Weight |
g (gram) |
| oz (ounce) |