Connexion Vacuum Pressure Conversion Chart  
 

Torr

mmHgA

psia

"HgA

"HgV

Atm.

"H2O(a)

"H2O(v)

kg/sq.cm

kPa

mBar

760

760

14.7

29.92

0.00

1.00

406.8

0.0

1.03

101.31

1013.3

700

700

13.54

27.56

2.36

0.92

374.7

32.1

0.95

93.31

933.3

600

600

11.61

23.62

6.30

0.79

321.2

85.6

0.82

79.98

800.0

500

500

9.67

19.69

10.24

0.66

267.7

139.2

0.68

66.65

666.7

400

400

7.74

15.75

14.17

0.53

214.1

192.7

0.54

53.32

533.3

300

300

5.80

11.81

18.11

0.39

160.6

246.2

0.41

39.99

400.0

250

250

4.84

9.84

20.08

0.33

133.8

273.0

0.34

33.33

333.3

200

200

3.87

7.87

22.05

0.26

107.1

299.8

0.27

26.66

266.7

175

175

3.38

6.89

23.03

0.23

93.7

313.2

0.24

23.33

233.3

150

150

2.90

5.91

24.02

0.20

80.3

326.5

0.20

20.00

200

125

125

2.42

4.92

25.00

0.16

66.9

339.9

0.17

16.66

166.7

100

100

1.93

3.94

25.98

0.13

53.5

353.3

0.14

13.33

133.3

90

90

1.74

3.54

26.38

0.12

48.2

358.7

0.12

12.00

120.0

80

80

1.55

3.15

26.77

0.11

42.8

364.0

0.11

10.66

106.7

70

70

1.35

2.76

27.17

0.09

37.5

369.4

0.10

9.33

93.3

60

60

1.16

2.36

27.56

0.08

32.1

374.7

0.08

8.00

80.0

51.7

51.7

1.00

2.04

27.89

0.07

27.7

379.2

0.07

6.89

68.9

50

50

0.97

1.97

27.95

0.07

26.8

380.1

0.07

6.67

66.7

40

40

0.77

1.57

28.35

0.05

21.4

385.4

0.05

5.33

53.3

30

30

0.58

1.18

28.74

0.04

16.1

390.8

0.04

4.00

40.0

25.4

25.4

0.49

1.00

28.92

0.03

13.6

393.2

0.03

3.39

33.9

25

25

0.48

0.98

28.94

0.03

13.4

393.5

0.03

3.33

33.3

20

20

0.39

0.79

29.13

0.03

10.7

396.1

0.03

2.67

26.7

15

15

0.29

0.59

29.33

0.02

8.0

398.8

0.02

2.00

20.0

10

10

0.19

0.39

29.53

0.01

5.4

401.5

0.01

1.33

13.3

7.5

7.5

0.15

0.30

29.63

0.01

4.0

402.8

0.01

1.00

10.0

5

5

0.10

0.20

29.72

0.01

2.7

404.2

0.01

0.67

6.7

2.5

2.5

0.05

0.10

29.82

0.00

1.3

405.5

0.00

0.33

3.3

1

1

0.02

0.04

29.88

0.00

0.5

406.3

0.00

0.13

1.3

0.75

0.75

0.01

0.03

29.89

0.00

0.4

406.4

0.00

0.10

1.0

0.5

0.5

0.01

0.02

29.90

0.00

0.3

406.6

0.00

0.07

0.7

0.25

0.25

0.00

0.01

29.91

0.00

0.1

406.7

0.00

0.03

0.3

0.1

0.1

0.00

.000

29.92

0.00

0.1

406.8

0.00

0.01

0.1