-

atm

ata
(kg/cm 2 )

Torr
(mm Hg)

in Hg

mm water

in water

bar

Mpa

kpa

psi
(lb/in 2 )
atm
1
1.033
760
29.92
1.034
x
10 4
407.1
1.013
0.1013
1.013
x
10^2
14.7

ata
(kg/cm 2 )

0.968

1

736

28.94

10 4

393.7

0.981

9.81
x
10^2

98.1

14.22

Torr
(mm Hg)

1.316
x
10 -3

1.38
x
10 -3

1

3937
x
10 -3

13.6

0.535

1.333
x
10 -4

1.333
x
10 -4

0.133

1.94
x
10 -2

in Hg

3.342
x
10 -2

3.455
x
10 -3

25.4

1

345.4

13.6

3.387
x
10 -2

3.387
x
10 -3

3.387

0.491

mm water

9.67
x
10 -2

10 -4

7.36
x
10 -2

2.895
x
10 -3

1

3.937
x
10 -2

9.81
x
10 -5

9.81
x
10^-6

9.81
x
10 -3

1.422
x
10 -3

in water
2.456
x
10 -3
2.54
x
10 -3
1.868
7.36
x
10 -2
25.4
1
2.49
x
10 -4
2.49
x
10 -3
0.2489
3.613
x
10 -2

bar

0.9872

1.02

750

29.53

1.02
x
10 4

401.6

1

0.1

10^2

14.5

Mpa

9.72

10.2

7500

295.3

1.02
x
105

4016

10

1

10^3

145

Kpa

0.987
x
10 -2

0.01

7.5

0.2953

102

4.016

10 -3

10 -2

1

0.142

psi
(lb/in 2 )

6.8
x
10 -2

7.031
x
10 -2

61.7

2.035

703.1

27.68

6.893
x
10 -3

6.893
x
10 -2

6.893

1