Pressure

Bar

Millibar (mbar)

psi

Kpa

Inches water

Metres water

Bar

1

1000

14.5

100

401

10.2

Millibar (mbar)

0.001

1

0.0145

0.1

0.401

0.0102

psi

0.069

68.9

1

6.89

27.7

0.703

Kpa

0.01

10

0.145

1

4.01

0.102

Inches water

0.0025

2.49

0.036

0.249

1

0.254

Metres water

0.0981

98.1

1.42

9.81

39.4

1