Online Pressure Units Converter
How to Convert from Psi [psi] to Bar?
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How to Convert from Psi [psi] to Bar?

Learn how to easily convert pressure values from psi (pound per square inch) to bar using this online unit converter. Understand key uses, examples, and tips for accurate pressure measurement conversions.

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Psi [psi] to Bar Conversion Table

Psi [psi] Bar

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
Psi [psi] to Bar Conversion Table
Psi [psi] Bar

Explore More Pressure Units Converter

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  7. How to convert from ksi [ksi] to psi [psi]?
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  9. How to convert from Standard atmosphere [atm] to psi [psi]?
  10. How to convert from psi [psi] to Standard atmosphere [atm]?
  11. How to convert from exapascal [EPa] to psi [psi]?
  12. How to convert from psi [psi] to exapascal [EPa]?
  13. How to convert from petapascal [PPa] to psi [psi]?
  14. How to convert from psi [psi] to petapascal [PPa]?
  15. How to convert from terapascal [TPa] to psi [psi]?
  16. How to convert from psi [psi] to terapascal [TPa]?
  17. How to convert from gigapascal [GPa] to psi [psi]?
  18. How to convert from psi [psi] to gigapascal [GPa]?
  19. How to convert from megapascal [MPa] to psi [psi]?
  20. How to convert from psi [psi] to megapascal [MPa]?
  21. How to convert from hectopascal [hPa] to psi [psi]?
  22. How to convert from psi [psi] to hectopascal [hPa]?
  23. How to convert from dekapascal [daPa] to psi [psi]?
  24. How to convert from psi [psi] to dekapascal [daPa]?
  25. How to convert from decipascal [dPa] to psi [psi]?
  26. How to convert from psi [psi] to decipascal [dPa]?
  27. How to convert from centipascal [cPa] to psi [psi]?
  28. How to convert from psi [psi] to centipascal [cPa]?
  29. How to convert from millipascal [mPa] to psi [psi]?
  30. How to convert from psi [psi] to millipascal [mPa]?
  31. How to convert from micropascal [µPa] to psi [psi]?
  32. How to convert from psi [psi] to micropascal [µPa]?
  33. How to convert from nanopascal [nPa] to psi [psi]?
  34. How to convert from psi [psi] to nanopascal [nPa]?
  35. How to convert from picopascal [pPa] to psi [psi]?
  36. How to convert from psi [psi] to picopascal [pPa]?
  37. How to convert from femtopascal [fPa] to psi [psi]?
  38. How to convert from psi [psi] to femtopascal [fPa]?
  39. How to convert from attopascal [aPa] to psi [psi]?
  40. How to convert from psi [psi] to attopascal [aPa]?
  41. How to convert from newton/square meter to psi [psi]?
  42. How to convert from psi [psi] to newton/square meter?
  43. How to convert from newton/square centimeter to psi [psi]?
  44. How to convert from psi [psi] to newton/square centimeter?
  45. How to convert from newton/square millimeter to psi [psi]?
  46. How to convert from psi [psi] to newton/square millimeter?
  47. How to convert from kilonewton/square meter to psi [psi]?
  48. How to convert from psi [psi] to kilonewton/square meter?
  49. How to convert from millibar [mbar] to psi [psi]?
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  55. How to convert from kilogram-force/square meter to psi [psi]?
  56. How to convert from psi [psi] to kilogram-force/square meter?
  57. How to convert from kilogram-force/sq. cm to psi [psi]?
  58. How to convert from psi [psi] to kilogram-force/sq. cm?
  59. How to convert from kilogram-force/sq. millimeter to psi [psi]?
  60. How to convert from psi [psi] to kilogram-force/sq. millimeter?
  61. How to convert from gram-force/sq. centimeter to psi [psi]?
  62. How to convert from psi [psi] to gram-force/sq. centimeter?
  63. How to convert from ton-force (short)/sq. foot to psi [psi]?
  64. How to convert from psi [psi] to ton-force (short)/sq. foot?
  65. How to convert from ton-force (short)/sq. inch to psi [psi]?
  66. How to convert from psi [psi] to ton-force (short)/sq. inch?
  67. How to convert from ton-force (long)/square foot to psi [psi]?
  68. How to convert from psi [psi] to ton-force (long)/square foot?
  69. How to convert from ton-force (long)/square inch to psi [psi]?
  70. How to convert from psi [psi] to ton-force (long)/square inch?
  71. How to convert from kip-force/square inch to psi [psi]?
  72. How to convert from psi [psi] to kip-force/square inch?
  73. How to convert from pound-force/square foot to psi [psi]?
  74. How to convert from psi [psi] to pound-force/square foot?
  75. How to convert from pound-force/square inch to psi [psi]?
  76. How to convert from psi [psi] to pound-force/square inch?
  77. How to convert from poundal/square foot to psi [psi]?
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  79. How to convert from torr [Torr] to psi [psi]?
  80. How to convert from psi [psi] to torr [Torr]?
  81. How to convert from centimeter mercury (0°C) to psi [psi]?
  82. How to convert from psi [psi] to centimeter mercury (0°C)?
  83. How to convert from millimeter mercury (0°C) to psi [psi]?
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  85. How to convert from inch mercury (32°F) [inHg] to psi [psi]?
  86. How to convert from psi [psi] to inch mercury (32°F) [inHg]?
  87. How to convert from inch mercury (60°F) [inHg] to psi [psi]?
  88. How to convert from psi [psi] to inch mercury (60°F) [inHg]?
  89. How to convert from centimeter water (4°C) to psi [psi]?
  90. How to convert from psi [psi] to centimeter water (4°C)?
  91. How to convert from millimeter water (4°C) to psi [psi]?
  92. How to convert from psi [psi] to millimeter water (4°C)?
  93. How to convert from inch water (4°C) [inAq] to psi [psi]?
  94. How to convert from psi [psi] to inch water (4°C) [inAq]?
  95. How to convert from foot water (4°C) [ftAq] to psi [psi]?
  96. How to convert from psi [psi] to foot water (4°C) [ftAq]?
  97. How to convert from inch water (60°F) [inAq] to psi [psi]?
  98. How to convert from psi [psi] to inch water (60°F) [inAq]?
  99. How to convert from foot water (60°F) [ftAq] to psi [psi]?
  100. How to convert from psi [psi] to foot water (60°F) [ftAq]?
  101. How to convert from atmosphere technical [at] to psi [psi]?
  102. How to convert from psi [psi] to atmosphere technical [at]?

What Is This Tool?

This pressure unit converter allows you to convert values from psi, a unit based on Imperial/US customary systems, to bar, a metric-related unit widely used internationally. It simplifies pressure unit conversions in automotive, industrial, and meteorological contexts.

How to Use This Tool?

  • Enter the pressure value in psi that you want to convert.
  • Select psi as the input unit and bar as the output unit.
  • Click convert to see the pressure value expressed in bar.

Key Features

  • Converts pressure values from psi to bar accurately.
  • Browser-based and easy to use with quick input and conversion.
  • Includes common use cases for automotive, hydraulic, and industrial pressures.

Examples

  • 30 psi converts to approximately 2.068427 bar.
  • 100 psi converts to approximately 6.89475729 bar.

Common Use Cases

  • Checking and adjusting automotive tire pressures which often range around 30–35 psi.
  • Calibrating hydraulic systems and industrial equipment with metric-based pressure units.
  • Measuring pressures in scuba tanks and compressed gas cylinders for international compliance.

Tips & Best Practices

  • Use this converter to align pressure data with international standards and metric-based systems.
  • Consider context accuracy needs when converting between psi and bar due to unit system differences.
  • Double-check converted values for highly sensitive industrial or scientific applications.

Limitations

  • Minor precision differences may occur when converting between psi and bar due to differing unit definitions.
  • Bar is not an SI base unit, so conversions might require careful rounding based on application sensitivity.

Frequently Asked Questions

What does psi measure?
Psi measures pressure as pound-force applied to one square inch, commonly used in Imperial and US customary systems.

Why convert psi to bar?
Converting to bar helps align pressure measurements with international and metric system standards, important in many industries.

Is bar an SI unit?
Bar is not a base SI unit, but it is widely accepted and used alongside SI units in many fields such as meteorology and engineering.

Key Terminology

Psi (pound per square inch)
A unit of pressure representing one pound-force applied over one square inch area, commonly used in Imperial and US customary systems.
Bar
A unit of pressure equal to 100,000 pascals, slightly less than atmospheric pressure, widely used in industry and accepted alongside SI units.

Quick Knowledge Check

What unit does psi represent?
What is one bar roughly equal to?
Which unit is commonly used in automotive tire pressure?

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