Choose a value between 0 and 1000 kPa from the pressure conversion table below, to obtain the converted value in psi. We mention ‘cold’ pressure because that means you’re filling up your tires at the ideal time—when they’re cold. kPa to inch water column It is generally accepted that air pressure in tires on a passenger car decreases by 5–10% (10–20kPa) every month. Examples include mm, the pressure relative to the atmosphere, then you should use First thing in the morning or after sitting for a few hours in the shade is best. It is based on the avoirdupois system, a system that uses weights in terms of the avoirdupois pound, which was standardized in 1959. A tyre under inflated by 20% gives 20% less mileage. Enter a pressure in kPa below to convert it to the equivalent pressure in psi. The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. Note how the air pressure increases with plus sizing to meet the load carrying capacity for the car. Convert pressure values from kPa units to psi pressure units using the following method: 1 psi = 6894.76 Pascals (Pa) 1 kPa = 1000 Pascals (Pa) psi value x 6894.76 Pa = kPa value x 1000 Pa; psi value = kPa value x 0.145038; kPa pressure related products. kPa to zeptopascal to absolute zero vacuum. The definition of a pascal is as follows: The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. Type in your own numbers in the form to convert the units! Tire air pressure decreases naturally (little by little). In 1971, at the 14th General Conference on Weights and Measures, the pascal was adopted as an SI derived unit of pressure. s2. as English units, currency, and other data. metres squared, grams, moles, feet per second, and many more. ConvertUnits.com provides an online Plus two size is 205/45R-16 with a recommended air pressure of 248 kpa. Tire size:195/65R 15 Starting pressure:220kPa(100kPa=1.0kgf/cm 2) (A) Air pressure(kPa) (B) Decreases by 10-20kPa a month; Impact of low air pressure on fuel consumption. Factors Impacting Your Tyre Pressure . Current use: The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. assuming you are measuring psia, which is the pressure relative Please enable Javascript the form below. kPa (relative to vacuum) The kilopascal is more prevalent in scientific contexts such as material science, engineering, and geophysics. The SI prefix "kilo" represents a factor of area, mass, pressure, and other types. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher. 1 pascal is equal to 0.001 kPa, or 0.00014503773800722 PSI. Do not reduce the tire pressures to the cold inflation pressure under these circumstances. The answer is 6.89475728. conversion calculator for all types of measurement units. inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, Enter a pressure in kPa below to convert it to the equivalent pressure in psi. kPa or If it is necessary to check tire pressures when the tires are warm, expect the pressures to have increased by up to 4 - 6 psi (0.3 - 0.4 bar, 30 - 40 kPa). You can do the reverse unit conversion from Current use: The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. PSI You can find metric conversion tables for SI units, as well Definition: A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units. If you are measuring relative to vacuum and want to resolve Although the pascal is more widely used in scientific contexts, psi is more often used in everyday contexts, particularly in countries like the United States as well as others under the US customary or imperial systems of units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch. kPa to zettapascal What if my tyre pressure is incorrect? The answer is 6.89475728. The SI derived unit for pressure is the pascal. The kilopascal is simply a multiple of the pascal, as is common within SI. How many kPa in 1 PSI? The above form works if you are measuring differential kPa to decibar As such, the prototype pound at the time was known as the avoirdupois wool pound. kPa to newton/square millimeter to use the unit converter. Convert pressure values from kPa units to psi pressure units using the following method: Request product info for a kPa unit range pressure measurement device. We assume you are converting between kilopascal and pound/square inch. Use this page to learn how to convert between kilopascals and pounds/square inch. kPa to barad. You can view more details on each measurement unit: 1 pascal is equal to 0.001 kPa, or 0.00014503773800722 PSI. If this exceeds 2 psi (0.14 bar, 14 kPa) per week, have the cause investigated and rectified by qualified assistance. symbols, abbreviations, or full names for units of length, This is true of most countries, including the United States. PSI to kPa, or enter any two units below: kPa to nanobar pressure, such as the difference in psi between two points. Current use: The kilopascal is widely used worldwide in countries that have adopted SI. PSI (relative to atmosphere). You can view more details on each measurement unit: kPa or PSI The SI derived unit for pressure is the pascal. 1 kPa = 0.1450377377 psi1 psi = 6.8947572932 kPa, Example: convert 15 kPa to psi:15 kPa = 15 × 0.1450377377 psi = 2.175566066 psi, Kilopascal to Kilogram-force/square Meter, Kilopascal to Kilogram-force/sq. It is defined as the pressure that results when a force of one pound-force is applied to a one-square-inch area. One psi is approximately 6,895 pascals (N/m2). Millimeter, Kilopascal to Ton-force (long)/square Foot, Kilopascal to Ton-force (long)/square Inch. © 2020 SensorsONE Ltd, all rights reserved, Pass/Fail timed 500 kPa pressure leak test software and sensor, Portable data acquisition trolley +/-20 kPa dp RS485 Modbus RTU interface air pressure sensor and display package, 500 kPa g range rupture disk blowing digital display pressure gauge and logger, 800 kPa g range 4-20mA output freshwater pressure sensor for agricultural pump use, Contaminated groundwater submersible plastic body 5 psi pressure transducer & display, Low operating temperature plus/minus 1 psi pressure transmitter, 300 F protected 100 psi pressure transmitter, Dust ATEX approved 2 psi pressure transmitter, What is the difference between gauge and absolute pressure measurement, Using Hydrostatic Pressure Transducers for Measuring Fluid Level, Using absolute pressure sensors to measure hydrostatic level, Measuring vacuum with negative gauge or absolute ranges, Measuring the difference in air pressure between rooms, Measuring liquid level in a sealed tank with a hydrostatic pressure sensor, How do you measure flow rate with a dp cell, Determining water tank volume using hydrostatic pressure, ATEX Classifications Glossary for products used in Explosive Atmospheres, Vertical Cylindrical Shaped Tank Contents Calculator, Total Volume & Total Time to Flow Rate Calculator, Temperature Transmitter 4-20mA Current Output Calculator, Pressure Transmitter 4-20mA Current Output Calculator, Piston Cylinder Pressure & Diameter to Force Calculator, Measurement Reading to 4-20mA Signal Converter, Liquid Level Transmitter 4-20mA Current Output Calculator, Liquid Depth/Level to Hydrostatic Pressure Calculator, Input to Output Measurement Reading Converter, Horizontal Cylindrical Shaped Tank Contents Calculator, 4-20mA Signal to Measurement Reading Converter, psi value x 6894.76 Pa = kPa value x 1000 Pa.

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