Pressure Unit Converter - Convert Pascals (Pa) to psi, bar to atm, mmHg to Torr, psi to bar, psi to mpa, psi to kpa and More

Pressure Value:

Convert to:

Converted Pressure ():

1. How Does the Calculator Work?

Calculations are based on standard pressure unit conversions using Pascals (Pa) as the intermediate SI unit:

\[ P_{\text{target}} = P_{\text{source}} \times \frac{\text{Conversion factor to Pa (source)}}{\text{Conversion factor to Pa (target)}} \]

Unit Conversions:

Unit	Conversion to Pa
MPa (Megapascals)	1 MPa = 1,000,000 Pa
psi (Pounds per square inch)	1 psi = 6894.76 Pa
Pa (Pascals)	1 Pa
bar	1 bar = 100,000 Pa
kPa (Kilopascals)	1 kPa = 1000 Pa
at (Technical atmospheres)	1 at = 98,066.5 Pa
atm (Standard atmospheres)	1 atm = 101,325 Pa
Torr	1 Torr = 133.322 Pa
hPa (Hectopascals)	1 hPa = 100 Pa
mmHg (Millimeters of mercury)	1 mmHg = 133.322 Pa
inHg (Inches of mercury)	1 inHg = 3386.39 Pa

Explanation: The calculator converts the input pressure to Pascals, then to the target unit, ensuring accurate and consistent results.

2. Importance of Pressure Unit Conversion

Details: Accurate pressure unit conversion is crucial for ensuring compatibility across different systems, such as hydraulic engineering (using MPa), automotive applications (using PSI), and medical devices (using mmHg or Torr).

3. Using the Calculator

Tips: Enter a Pressure Value, select the Source Unit (e.g., MPa), and choose the Target Unit (e.g., PSI). Results include the converted pressure in the selected target unit.

4. Frequently Asked Questions (FAQ)

Q1: Why do I need to convert pressure units? A: Pressure unit conversion is necessary to ensure compatibility between different systems or standards, such as converting MPa for engineering to PSI for automotive or mmHg for medical applications.

Q2: Can this calculator handle negative pressure values? A: No, this calculator only accepts non-negative pressure values. Negative pressures may require specific scientific or engineering contexts not covered here.

Q3: What if I select the same unit for source and target? A: The calculator will return the same value, as no conversion is needed. However, it’s still a valid operation for verification.

Q4: Are the conversion factors exact? A: The conversion factors used are standard and highly accurate, but results may have slight rounding differences due to formatting (5 decimal places or scientific notation).

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