| PRESSURE | |||||||||
| Atmosphere | Bar | Kg/cm2 | PSI | Kpa | Inch W.C. | mm Hg | mm W.C. | Inch Hg | |
| Atmosphere | 1 | 1.01325 | 1.0332274 | 14.695945 | 101.325 | 406.78244 | 760 | 10332.274 | 29.92126 |
| Bar | 0.98692333 | 1 | 1.0197162 | 14.50377 | 100 | 401.463 | 750.0615 | 10197.162 | 29.53 |
| Kg/cm2 | 0.9678411 | 0.980665 | 1 | 14.22334 | 98.0665 | 393.7 | 735.559 | 10000 | 28.959 |
| PSI | 0.068046 | 0.06894757 | 0.070307 | 1 | 6.894757 | 27.6807 | 51.7149 | 703.07 | 2.03602 |
| Inch Hg (°C) | 0.0334211 | 0.03386389 | 0.03453152 | 0.491154 | 3.37685 | 13.5955 | 25.4 | 345.3152 | 1 |
| KPa | 0.00987 | 0.01 | 0.010197 | 0.14504 | 1 | 4.01463 | 7.500615 | 101.9716 | 0.296134 |
| Inch W.C. | 0.0024582 | 0.0024884 | 0.025400 | 0.0361263 | 0.24884 | 1 | 1.86648 | 25.4 | 0.0735539 |
| mm Hg (torr) | 0.00131579 | 0.001333224 | 0.0013595 | 0.0193368 | 0.1333224 | 0.535255 | 1 | 13.5955 | 0.03937 |
| mm W.C. | 0.00009678 | 0.0000979685 | 0.0001 | 0.001422295 | 0.0097685 | 0.0393.7 | 0.073554 | 1 | 0.0028959 |
| VELOCITY | ||||||
| Feet per Second | Feet per Minute | Miles per Hour | Meters per Second | Meters per Minute | Kilometers per Hour | |
| Feet per Second | 1 | 60 | 0.6818 | 0.3048 | 18.29 | 1.097 |
| Feet per Minute | 0.01667 | 1 | 0.01136 | 0.00508 | 0.3048 | 0.01829 |
| Miles per Hour | 1.467 | 88 | 1 | 0.447 | 26.82 | 1.609 |
| Meters per Second | 3.28 | 196.9 | 2.237 | 1 | 60 | 3.6 |
| Meters per Minute | 0.05468 | 3.281 | 0.03728 | 0.01667 | 1 | 0.06 |
| Kilometers per Hour | 0.9113 | 54.68 | 0.6214 | 0.2778 | 16.67 | 1 |
| TEMPERATURE | |
| °F | = 9/5 (°C) + 32 |
| °C | = (°F-32) 5/9 |
| °K | = °C + 273.16 |
| °R | = °F + 459.69 |
| MASS | ||||
| Ounces | Pounds | Grams | Kilograms | |
| Ounces | 1 | 0.0625 | 28.35 | 0.02835 |
| Pounds | 16 | 1 | 453.59 | 0.45359 |
| Grams | 0.03527 | 0.0022 | 1 | 0.001 |
| Kilograms | 35.274 | 2.2046 | 1000 | 1 |