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

Learn how to convert pressure measurements from psi (pound per square inch) to millibar (mbar) easily using this online unit converter tool designed for various applications including automotive, meteorology, and aviation.

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Psi [psi] to Millibar [mbar] Conversion Table

Psi [psi] Millibar [mbar]

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 Millibar [mbar] Conversion Table
Psi [psi] Millibar [mbar]

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  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]?
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  26. How to convert from psi [psi] to decipascal [dPa]?
  27. How to convert from centipascal [cPa] to psi [psi]?
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  31. How to convert from micropascal [µPa] to psi [psi]?
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  37. How to convert from femtopascal [fPa] to psi [psi]?
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  43. How to convert from newton/square centimeter to psi [psi]?
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  66. How to convert from psi [psi] to ton-force (short)/sq. inch?
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  68. How to convert from psi [psi] to ton-force (long)/square foot?
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  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]?
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  101. How to convert from atmosphere technical [at] to psi [psi]?
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What Is This Tool?

This tool converts pressure values from psi, a unit commonly used in Imperial and US customary systems, to millibar, a metric unit widely applied in meteorology and atmospheric sciences. It facilitates cross-system pressure unit translation for consistent data interpretation.

How to Use This Tool?

  • Enter the pressure value in psi that you want to convert.
  • Select psi as the input unit and millibar as the output unit.
  • Click the convert button to obtain the equivalent pressure in millibar.

Key Features

  • Converts pressure from psi to millibar with accuracy based on a defined conversion rate.
  • Supports pressure measurement contexts including automotive, hydraulic, meteorology, aviation, and gas equipment.
  • Easy-to-use, browser-based interface for quick pressure unit translation.

Examples

  • 10 psi converts to approximately 689.4757 millibar.
  • 30 psi converts to approximately 2068.4272 millibar.

Common Use Cases

  • Calculating automotive tire and hydraulic system pressure ratings using metric units.
  • Converting pressure data for meteorological weather maps and forecasts.
  • Setting pressure references in aviation weather briefings and altimeter calibration.
  • Monitoring pressure in compressed gas cylinders and scuba tanks.

Tips & Best Practices

  • Ensure you understand the context since psi and millibar represent different pressure ranges and systems.
  • Use this tool for consistent unit conversion to support cross-disciplinary pressure data analysis.
  • Confirm environmental and operating conditions are standardized when comparing converted pressure values.

Limitations

  • Psi and millibar belong to distinct unit systems, and their conversion may not meet precision requirements for all applications.
  • Millibar typically measures atmospheric pressure, which is generally much lower than the psi values common in mechanical systems.
  • Environmental factors may influence pressure measurements, requiring careful consideration when interpreting converted results.

Frequently Asked Questions

What is psi used for?
Psi is a pressure unit measuring pounds per square inch, commonly used in automotive tire pressures, hydraulic systems, and compressed gas cylinders.

Where is millibar commonly applied?
Millibar is often used in meteorology and atmospheric sciences to report air pressure and calibrate weather instruments.

How do I convert psi to millibar?
Multiply the psi value by approximately 68.9476 to get the equivalent pressure in millibar.

Key Terminology

Psi [psi]
A unit of pressure equal to one pound-force per square inch, mainly used in Imperial and US customary systems.
Millibar [mbar]
A unit of pressure equal to one-thousandth of a bar or 100 pascals, widely used in meteorology.
Pressure
The force exerted per unit area, measured by units such as psi and millibar.

Quick Knowledge Check

What unit does psi measure?
Which field commonly uses millibar units?
What is the approximate conversion factor from psi to millibar?

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