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Pressure Converter

The pressure calculator turns pressure results into a diverse range of pressure measurements.

Besides, with the help of our calculator you can see all conversion factors, which were used in this calculator and helped to convert your particular measurement. Choose the option "Convert from" and you will be provided with a description of all given measurements.

Pressure Converter
Value Convert from Convert to Value
Standard Atmosphere (symbol: atm) = typical air pressure at sea level

You may set the number of decimal places in the online calculator. By default there are only two decimal places.

Conversion Factors
Convert to
Convert from Atmosphere Bar Mercury (in Hg) Mercury (mm Hg) PSI Pascal Torr Water
Normal Technical
Atmosphere, standard 1.00 1.03 1.01 29.92 760.00 101325.00 14.70 760.00 406.79
Atmosphere, technical 0.97 1.00 0.98 28.96 735.56 98066.50 14.22 735.56 393.71
Bar 0.99 1.02 1.00 29.53 750.06 100000.00 14.50 750.06 401.47
Mercury (in Hg) 0.03 0.03 0.03 1.00 25.40 3386.38 0.49 25.40 13.60
Mercury (mm Hg) 0.00 0.00 0.00 0.04 1.00 133.32 0.02 1.00 0.54
PSI 0.07 0.07 0.07 2.04 51.72 6894.76 1.00 51.72 27.68
Pascal 0.00 0.00 0.00 0.00 0.01 1.00 0.00 0.01 0.00
Torr 0.00 0.00 0.00 0.04 1.00 133.32 0.02 1.00 0.54
Water 0.00 0.00 0.00 0.07 1.87 24.908 0.04 1.87 1.00

In order to be aware which pressure measurements you can use in our amazing calculator, read the information below.

1 standard atmosphere = 1.013250 x 105 Pascals

1 technical atmosphere = 9.806650 x 104 Pascals

1 Bar = 1 x 105 Pascals

1 Mercury (in Hg) = 3.38638 x 103 Pascals

1 Mercury (mm Hg) = 1.33322 x 102 Pascals

1 PSI = 6.894757 x 103 Pascals

1 Torr = 1.33322 x 102 Pascals

1 Inches of Water (in H2O) = 2.49082 x 102 Pascals

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