Pascal Converter
Convert Pascal to Poundal Square Foot and more • 57 conversions
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Unit Explanations
PascalPa
Source UnitThe pascal (Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. It is defined as one newton per square meter. In other words, it is the pressure exerted by a force of one newton acting uniformly over an area of one square meter. The pascal is a crucial unit in engineering, physics, and meteorology, providing a standard measure for atmospheric pressure, material strength, and force distribution. It allows for consistent and comparable measurements across various scientific and industrial fields.
Current Use
The pascal is widely used in various fields to measure pressure and stress. In meteorology, it is used to express atmospheric pressure, often in the form of hectopascals (hPa). In engineering, it helps evaluate the strength of materials and structures. The unit is also crucial in fluid mechanics, where it is used to determine fluid pressure in pipes and vessels. The pascal's versatility makes it a fundamental unit in both scientific research and practical applications, especially where precise pressure measurements are critical.
Fun Fact
The pascal is named after Blaise Pascal, who made significant contributions to the understanding of fluid pressure.
Poundal Square Footpdl·ft²
Target UnitThe poundal square foot (pdl·ft²) is a unit of pressure derived from the poundal, a unit of force, and the square foot, a unit of area. It is defined as the pressure exerted by a force of one poundal applied uniformly over an area of one square foot. This unit is part of the foot-poundal system of units, which was established to provide a consistent framework for measuring force, mass, and distance in the imperial system. It is not commonly used in scientific literature but provides a unique perspective on pressure measurements within certain engineering applications.
Current Use
Today, the poundal square foot finds limited application in niche engineering contexts, particularly in the fields of civil and mechanical engineering where imperial units are still prevalent. It is sometimes used to calculate stresses and strains in materials subjected to forces, particularly in the United States. Although it is not a standard unit in international engineering, it may be referenced in historical documents or specific design calculations.
Fun Fact
The poundal is less commonly known than the more popular pound-force, as the poundal is specifically designed for use in the foot-poundal system.
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📐Conversion Formula
= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
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Pascal
pressure • SI Unit
Definition
The pascal (Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. It is defined as one newton per square meter. In other words, it is the pressure exerted by a force of one newton acting uniformly over an area of one square meter. The pascal is a crucial unit in engineering, physics, and meteorology, providing a standard measure for atmospheric pressure, material strength, and force distribution. It allows for consistent and comparable measurements across various scientific and industrial fields.
History & Origin
The pascal was named in honor of Blaise Pascal, a French mathematician, physicist, and inventor known for his contributions to fluid mechanics and the study of pressure. The unit was officially adopted as the SI unit for pressure in 1971, although the concept of pressure itself dates back to early scientific studies of fluids and gases. The pascal provided a standardized way to measure pressure, replacing a variety of non-standard units previously in use across different regions and industries.
Etymology: The term 'pascal' is derived from the name of Blaise Pascal.
Current Use
The pascal is widely used in various fields to measure pressure and stress. In meteorology, it is used to express atmospheric pressure, often in the form of hectopascals (hPa). In engineering, it helps evaluate the strength of materials and structures. The unit is also crucial in fluid mechanics, where it is used to determine fluid pressure in pipes and vessels. The pascal's versatility makes it a fundamental unit in both scientific research and practical applications, especially where precise pressure measurements are critical.
💡 Fun Facts
- •The pascal is named after Blaise Pascal, who made significant contributions to the understanding of fluid pressure.
- •One pascal is a very small pressure; it is equivalent to the pressure of a dollar bill lying flat on a table.
- •The human eardrum can detect pressure changes as small as 20 micropascals.
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Poundal Square Foot
pressure • Non-SI
Definition
The poundal square foot (pdl·ft²) is a unit of pressure derived from the poundal, a unit of force, and the square foot, a unit of area. It is defined as the pressure exerted by a force of one poundal applied uniformly over an area of one square foot. This unit is part of the foot-poundal system of units, which was established to provide a consistent framework for measuring force, mass, and distance in the imperial system. It is not commonly used in scientific literature but provides a unique perspective on pressure measurements within certain engineering applications.
History & Origin
The poundal square foot originates from the foot-poundal system devised in the late 19th century as a coherent system of units for mechanics. The poundal itself was introduced by the American engineer and physicist William John Macquorn Rankine in 1859, as part of a system intended to simplify calculations in mechanics. The square foot, a unit of area, was already well established in the imperial measurement system. The integration of these two units provided a specialized measure of pressure that, while not widely adopted, holds significance in specific engineering contexts.
Etymology: The term 'poundal' comes from the combination of 'pound,' a unit of force, and the Latin suffix '-al,' denoting a relation to a particular quantity. The term 'square foot' derives from the combination of 'foot,' a unit of length, and 'square,' indicating the area derived from multiplying the length by itself.
Current Use
Today, the poundal square foot finds limited application in niche engineering contexts, particularly in the fields of civil and mechanical engineering where imperial units are still prevalent. It is sometimes used to calculate stresses and strains in materials subjected to forces, particularly in the United States. Although it is not a standard unit in international engineering, it may be referenced in historical documents or specific design calculations.
💡 Fun Facts
- •The poundal is less commonly known than the more popular pound-force, as the poundal is specifically designed for use in the foot-poundal system.
- •While the poundal square foot is not widely used today, it offers insight into historical engineering practices prevalent in the 19th century.
- •The concept of pressure as a force per unit area can be traced back to the works of Blaise Pascal, who laid the groundwork for modern fluid mechanics.
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🔗 Related Units
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Frequently Asked Questions
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