Convert attopascal to poundal/square foot
Please provide values below to convert attopascal [aPa] to poundal/square foot [pdl/ft^2], or Convert poundal/square foot to attopascal.
How to Convert Attopascal to Poundal/square Foot
1 aPa = 6.71968976751311e-19 pdl/ft^2
Example: convert 15 aPa to pdl/ft^2:
15 aPa = 15 × 6.71968976751311e-19 pdl/ft^2 = 1.00795346512697e-17 pdl/ft^2
Attopascal to Poundal/square Foot Conversion Table
| attopascal | poundal/square foot |
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Attopascal
The attopascal (aPa) is a unit of pressure equal to 10^-18 pascals, representing an extremely small pressure measurement.
History/Origin
The attopascal was introduced as part of the SI prefixes to denote very small quantities of pressure, but it is rarely used in practical applications due to its minuscule magnitude.
Current Use
The attopascal is primarily used in scientific research and theoretical contexts where extremely small pressure differences are relevant, although it remains largely a conceptual unit.
Poundal/square Foot
The poundal per square foot (pdl/ft^2) is a unit of pressure representing the force of one poundal applied over an area of one square foot.
History/Origin
The poundal is an imperial unit of force introduced in the 19th century as part of the foot-pound-second system, primarily used in engineering contexts. The unit pdl/ft^2 was used historically in mechanical and civil engineering to measure pressure but has largely been replaced by SI units.
Current Use
The poundal per square foot is rarely used in modern practice, having been largely replaced by the pascal (Pa) in scientific and engineering applications. It may still appear in legacy systems or specific regional engineering contexts.