Pascal Converter
Convert Pascal to Pound Force 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.
Pound Force per Square Footpsf
Target UnitThe pound force per square foot (psf) is a unit of pressure that quantifies the amount of force applied to a specific area. Defined as one pound-force per square foot, it is used to express pressure in various engineering and construction applications. This unit is part of the Imperial system of measurement, where pressure is calculated by dividing force (in pounds) by area (in square feet). Thus, 1 psf corresponds to a force of 1 pound acting uniformly over an area of 1 square foot. It is crucial in fields like civil engineering, meteorology, and HVAC.
Current Use
Pound force per square foot is predominantly used in engineering, architecture, and construction to assess the pressure exerted by loads. It plays a critical role in evaluating the strength of materials and structures, especially in the United States. The unit is also used in HVAC systems to determine air pressure and flow rates in buildings. Although the SI unit pascal is often preferred, psf remains essential in contexts where Imperial units are standard.
Fun Fact
1 psf is equivalent to approximately 47.88 pascals.
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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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Pound Force per Square Foot
pressure • Non-SI
Definition
The pound force per square foot (psf) is a unit of pressure that quantifies the amount of force applied to a specific area. Defined as one pound-force per square foot, it is used to express pressure in various engineering and construction applications. This unit is part of the Imperial system of measurement, where pressure is calculated by dividing force (in pounds) by area (in square feet). Thus, 1 psf corresponds to a force of 1 pound acting uniformly over an area of 1 square foot. It is crucial in fields like civil engineering, meteorology, and HVAC.
History & Origin
The concept of pressure has been around since the early days of physics, but the specific unit, pound force per square foot, emerged with the development of the Imperial system in the 19th century. The use of pounds as a measure of force traces back to ancient systems, while area measurements in square feet became standardized in England as construction and engineering practices grew.
Etymology: The term 'pound' originates from the Latin 'pondus', meaning weight, while 'force' is derived from the Latin 'fortis', meaning strong, and 'foot' refers to the standard unit of length that signifies the human foot.
Current Use
Pound force per square foot is predominantly used in engineering, architecture, and construction to assess the pressure exerted by loads. It plays a critical role in evaluating the strength of materials and structures, especially in the United States. The unit is also used in HVAC systems to determine air pressure and flow rates in buildings. Although the SI unit pascal is often preferred, psf remains essential in contexts where Imperial units are standard.
💡 Fun Facts
- •1 psf is equivalent to approximately 47.88 pascals.
- •The pressure exerted by a human standing on one foot is around 75 psf, depending on weight.
- •The concept of pressure wasn't formally defined until the 17th century when scientists started studying fluid mechanics.
📏 Real-World Examples
🔗 Related Units
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Frequently Asked Questions
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