Pressure Units

Find the right formula and tools for all pressure units. We use official rules to make sure every calculation is correct.

All Pressure Unit Pairs

Pick a starting unit to see all possible conversion tools for pressure.

We calculate all pressure units based on the standard Pascals (Pa). This helps us keep all our tools accurate and reliable.

Below is the list of rules we use to calculate each pressure unit. You can use these to understand the math behind our tools.

Formula: 1 Kilopascals = 1000 Pascals
To do the math instantly, use our kilopascals to pascals or pascals to kilopascals tools.

Formula: 1 Megapascals = 1000000 Pascals
To do the math instantly, use our megapascals to pascals or pascals to megapascals tools.

Formula: 1 Gigapascals = 1000000000 Pascals
To do the math instantly, use our gigapascals to pascals or pascals to gigapascals tools.

Formula: 1 Hectopascals = 100 Pascals
To do the math instantly, use our hectopascals to pascals or pascals to hectopascals tools.

Formula: 1 Bars = 100000 Pascals
To do the math instantly, use our bars to pascals or pascals to bars tools.

Formula: 1 Millibars = 100 Pascals
To do the math instantly, use our millibars to pascals or pascals to millibars tools.

Formula: 1 PSI = 6894.757 Pascals
To do the math instantly, use our psi to pascals or pascals to psi tools.

Formula: 1 KSI = 6894757 Pascals
To do the math instantly, use our ksi to pascals or pascals to ksi tools.

Formula: 1 Standard Atmospheres = 101325 Pascals
To do the math instantly, use our standard atmospheres to pascals or pascals to standard atmospheres tools.

Formula: 1 Torr / mmHg = 133.322 Pascals
To do the math instantly, use our torr / mmhg to pascals or pascals to torr / mmhg tools.

Formula: 1 Inches of Mercury = 3386.39 Pascals
To do the math instantly, use our inches of mercury to pascals or pascals to inches of mercury tools.

Formula: 1 Centimeters of Water = 98.0665 Pascals
To do the math instantly, use our centimeters of water to pascals or pascals to centimeters of water tools.

Compare these units against other measurement systems on our homepage.

Access our high-fidelity calculators for other measurement systems and engineering metrics.