Ludwig's Applied Process Design for Chemical and Petrochemical Plants, Volume 1, Fourth Edition

| A | ||
| Acre | 10 | = Square chain (Gunters) |
| Acre | 160 | = Rods |
| Acre | 1 x10 5 | = Square links (Gunters) |
| Acre | 0.4047 | = Hectare or square hectometer |
| Acres | 43,560 | = Square feet |
| Acres | 4,047 | = Square meters |
| Acres | 1.562 10 -3 | = Square miles |
| Acres | 4,840 | = Square yards |
| Acre-feet | 43,560 | = Cubic feet |
| Acre-feet | 3.259 10 5 | = Gallons |
| Amperes/square centimeters | 6.452 | = Amperes/square inch |
| Amperes/square centimeters | 10 4 | = Amperes/square meter |
| Amperes/square inch | 0.1550 | = Amperes/square centimeters |
| Amperes/square inches | 1,550 | = Amperes/square meter |
| Amperes/square meter | 10 -4 | = Amperes/square centimeter |
| Amperes/square meter | 6.452 10 -4 | = Amperes/square inch |
| Ares | 0.02471 | = Acre (USA) |
| Ares | 119.60 | = Square yards |
| Ares | 100 | = Square meters |
| Atmospheres | 14.7 | = Pounds/square inch |
| Atmospheres | 1.058 | = Tonnes/square foot |
| Atmospheres | 29.92 | = Inches of mercury at 0 C |
| Atmospheres | 76 | = Centimeters of mercury |
| Atmospheres | 33.90 | = Feet of water at 4 C |
| Atmospheres | 1.0333 | = Kilograms/square centimeter |
| Atmospheres | 10,332 | = Kilograms/square meter |
| Atmospheres | 1,013.2 | = Millibar |
| Atmospheres | 760 | = Millimeters of mercury |
| Atmospheres | 10.332 | = Meters of water at 4 C |
| B | ||
| Barrels (USA, dry) | 7,056 | = Cubic inches |
| Barrels (USA, dry) | 105 | = Quarts (dry) |
| Barrels (USA, liquid) | 31.5 | = Gallons |
| Barrels (oil) | 42 | = Gallons (oil) |
| Barrels (oil) | 0.159 | = Cubic meters |
| Barrels (oil) | 159 | = Liters |
| Barrels/day | 6.6245x10 -3 | = Cubic meters/hour |
| Barrels (oil) | 5.6154 | = Cubic feet |
| Barrels/day | 29.167x10 -3 | = Gallons per minute |
| Bars | 0.9869 | = Atmospheres |
| Bars | 10 6 |