Convert pound/square inch to decibar


PSI
decibar

The above form works if you are measuring differential pressure, such as the difference in psi between two points. It also gives the correct answer for absolute pressure, assuming you are measuring psia, which is the pressure relative to absolute zero vacuum.

If you are measuring relative to vacuum and want to resolve the pressure relative to the atmosphere, then you should use the form below.

PSI (relative to atmosphere)
decibar (relative to vacuum)



More information from the unit converter

How many PSI in 1 decibar? The answer is 1.4503773800722. We assume you are converting between pound/square inch and decibar. You can view more details on each measurement unit: PSI or decibar The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00014503773800722 PSI, or 0.0001 decibar. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between pounds/square inch and decibars. Type in your own numbers in the form to convert the units!



Quick conversion chart of PSI to decibar

1 PSI to decibar = 0.68948 decibar

5 PSI to decibar = 3.44738 decibar

10 PSI to decibar = 6.89476 decibar

20 PSI to decibar = 13.78951 decibar

30 PSI to decibar = 20.68427 decibar

40 PSI to decibar = 27.57903 decibar

50 PSI to decibar = 34.47379 decibar

75 PSI to decibar = 51.71068 decibar

100 PSI to decibar = 68.94757 decibar


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You can do the reverse unit conversion from decibar to PSI, or enter any two units below:

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Common pressure conversions


Definition: Pound/square inch

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. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.


Definition: Decibar

The SI prefix "deci" represents a factor of 10-1, or in exponential notation, 1E-1.

So 1 decibar = 10-1 bars.

The definition of a bar is as follows:

The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). The word bar is of Greek origin, báros meaning weight. Its official symbol is "bar"; the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars.


Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!