Pressure Unit Description

Newton/meter²
Pascal
(N/m²）(Pa)

1

0.101972

10.1972×10^-6

1×10^-5

0.986923×10^-5

0.101972

7.50062×10^-3

145.038×10^-6

Kilograms per meter²
(kgf/m²）

9.80665

1

1×10^-4

9.80665×10^-5

9.67841×10^-5

1×10^-8

0.0735559

0.00142233

Kgf/cm²
(kgf/cm²）

98.0665×10³

1×10⁴

1

0.980665

0.967841

10×10³

735.559

14.2233

Ba
(bar)

1×10⁵

10197.2

1.01972

1

0.986923

10.1972×10³

750.061

14.5038

Standard atmospheric pressure
(ATM)

1.01325×10⁵

10332.3

1.03323

1.01325

1

10.3323×10³

760

14.6959

Millimeter water column
4^oC
(mmH₂O)

0.101972

1×10^-8

1×10^-4

9.80665×10^-5

9.67841×10^-5

1

73.5559×10^-3

1.42233×10^-3

Millimeter mercury column
0^oC
(mmHg)

133.322

13.5951

0.00135951

0.00133322

0.00131579

13.5951

1

0.0193368

Pounds per inch²
(lb/in², psi)

6.89476×10³

703.072

0.0703072

0.0689476

0.0680462

703.072

51.7151

1

Note: 1. Engineering atmospheric pressure (at)=1 kgf/cm; Sup2;.

2. The pressure represented by a water column is based on the density value of pure water at 4 ℃.