Bar Converter
Convert Bar to Kilogram Force Square Meter and more • 57 conversions
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Unit Explanations
Barbar
Source UnitThe bar is a metric unit of pressure, not part of the International System of Units (SI), but is commonly used in industry and meteorology. It is defined as exactly 100,000 pascals, which is slightly less than the average atmospheric pressure on Earth at sea level. One bar is equivalent to 0.987 atmospheres, 14.5038 pounds per square inch (psi), or 750.06 millimeters of mercury (mmHg). Although not an SI unit, it is accepted for use with the SI and is widely used due to its convenient size for many applications.
Current Use
The bar is widely used in various fields including meteorology for atmospheric pressure, and in industries such as automotive and aviation for tire pressure and cabin pressure monitoring. It is especially favored in contexts where moderate pressures need to be measured with a single-digit number, avoiding the unwieldy values that would result from using pascals.
Fun Fact
The bar is almost exactly the atmospheric pressure on Earth at sea level.
Kilogram Force Square Meterkgf·m²
Target UnitThe kilogram force square meter (kgf·m²) is a unit of pressure that expresses the force applied by one kilogram-force acting uniformly over an area of one square meter. It is a non-SI unit derived from the kilogram (kg), a unit of mass, and the meter (m), a unit of length. The kilogram-force is the force exerted by a mass of one kilogram in a gravitational field of standard gravity (9.80665 m/s²). Therefore, a pressure of one kgf·m² is equivalent to 9.80665 pascals (Pa), where pascal is the SI unit of pressure.
Current Use
Today, the kilogram force square meter is primarily used in engineering and physical sciences, particularly in the fields of mechanics and hydraulics. It facilitates the understanding of force distribution across surfaces, aiding in the design of structures and machinery. While the SI unit pascal is more universally accepted, the kgf·m² is still relevant in certain industries that prefer traditional measurements or are based in regions where imperial units are prevalent.
Fun Fact
The kilogram-force is sometimes used interchangeably with the newton in engineering, despite being based on different principles.
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= × 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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Bar
pressure • Non-SI
Definition
The bar is a metric unit of pressure, not part of the International System of Units (SI), but is commonly used in industry and meteorology. It is defined as exactly 100,000 pascals, which is slightly less than the average atmospheric pressure on Earth at sea level. One bar is equivalent to 0.987 atmospheres, 14.5038 pounds per square inch (psi), or 750.06 millimeters of mercury (mmHg). Although not an SI unit, it is accepted for use with the SI and is widely used due to its convenient size for many applications.
History & Origin
The bar as a unit of pressure was introduced in the early 20th century. It was created to provide a convenient metric unit for expressing pressures without having to resort to using large numbers, as can occur with the pascal. The bar was defined in 1909 by the International Union of Pure and Applied Chemistry (IUPAC) to be equivalent to 100,000 pascals, simplifying conversion with the SI system.
Etymology: The word 'bar' comes from the Greek word 'baros', meaning weight.
Current Use
The bar is widely used in various fields including meteorology for atmospheric pressure, and in industries such as automotive and aviation for tire pressure and cabin pressure monitoring. It is especially favored in contexts where moderate pressures need to be measured with a single-digit number, avoiding the unwieldy values that would result from using pascals.
💡 Fun Facts
- •The bar is almost exactly the atmospheric pressure on Earth at sea level.
- •The unit 'bar' is not an SI unit, but it's accepted for use with SI due to its practicality.
- •The word 'barometer', an instrument for measuring atmospheric pressure, shares its root with the unit 'bar'.
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Kilogram Force Square Meter
pressure • Non-SI
Definition
The kilogram force square meter (kgf·m²) is a unit of pressure that expresses the force applied by one kilogram-force acting uniformly over an area of one square meter. It is a non-SI unit derived from the kilogram (kg), a unit of mass, and the meter (m), a unit of length. The kilogram-force is the force exerted by a mass of one kilogram in a gravitational field of standard gravity (9.80665 m/s²). Therefore, a pressure of one kgf·m² is equivalent to 9.80665 pascals (Pa), where pascal is the SI unit of pressure.
History & Origin
The kilogram force square meter emerged in the late 19th century alongside the development of the metric system. As scientists and engineers sought standardized units to measure mechanical systems, the need for pressure units became apparent. The kilogram-force was adopted to simplify the calculations involving gravitational forces, particularly in engineering applications. Over time, it became a common reference in various fields, including hydraulics and fluid mechanics.
Etymology: The term 'kilogram' is derived from the Greek word 'kilo' meaning 'thousand', and 'gram' from the Greek 'gramma' meaning 'small weight'. 'Force' originates from the Latin 'fortis', meaning strong. The word 'meter' comes from the Greek 'metron', meaning measure.
Current Use
Today, the kilogram force square meter is primarily used in engineering and physical sciences, particularly in the fields of mechanics and hydraulics. It facilitates the understanding of force distribution across surfaces, aiding in the design of structures and machinery. While the SI unit pascal is more universally accepted, the kgf·m² is still relevant in certain industries that prefer traditional measurements or are based in regions where imperial units are prevalent.
💡 Fun Facts
- •The kilogram-force is sometimes used interchangeably with the newton in engineering, despite being based on different principles.
- •Kilogram-force square meter is often found in older engineering texts and manuals, showcasing the evolution of measurement systems.
- •In some regions, kgf·m² is preferred for specific applications due to its intuitive relationship with mass and gravitational force.
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Frequently Asked Questions
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