Vacuum Pressures Unit Conversions Chart (Absolute)

[Pages:2]Vacuum Pressures Unit Conversions Chart (Absolute)

% Vacuum

0.00 1.40 1.90 3.30 6.60 7.90 9.80 10.00 20.00 25.00 30.00 33.00 35.00 40.00 45.00 50.00 55.00 60.00 61.00 65.00 68.00 70.00 75.00 80.00 85.00 87.00 88.00 89.00 90.00 92.00 93.00 95.00 96.60 97.40 98.70 100.00

ATM (standard atmosphere)

1.00 0.99 0.98 0.97 0.93 0.92 0.90 0.90 0.80 0.75 0.70 0.67 0.65 0.60 0.55 0.50 0.45 0.40 0.39 0.35 0.32 0.30 0.25 0.20 0.15 0.13 0.12 0.11 0.10 0.08 0.07 0.05 0.03 0.03 0.01 0.00

PSIA

14.70 14.49 14.42 14.21 13.73 13.53 13.26 13.23 11.76 11.02 10.29

9.85 9.55 8.82 8.08 7.35 6.61 5.88 5.73 5.14 4.70 4.41 3.67 2.94 2.20 1.91 1.76 1.62 1.47 1.18 1.03 0.73 0.50 0.38 0.19 0.00

Torr (mm Hg)

760.00 749.36 745.56 734.92 709.84 699.96 685.52 684.00 608.00 570.00 532.00 509.20 494.00 456.00 418.00 380.00 342.00 304.00 296.40 266.00 243.20 228.00 190.00 152.00 114.00

98.80 91.20 83.60 76.00 60.80 53.20 38.00 25.84 19.76

9.88 0.00

in HG (inches Mercury) 29.92 29.50 29.35 28.93 27.95 27.56 26.99 26.93 23.94 22.44 20.94 20.05 19.45 17.95 16.46 14.96 13.46 11.97 11.67 10.47

9.57 8.98 7.48 5.98 4.49 3.89 3.59 3.29 2.99 2.39 2.09 1.50 1.02 0.78 0.39 0.00

kPa (SI unit)

101.33 99.91 99.40 97.98 94.64 93.32 91.40 91.19 81.06 75.99 70.93 67.89 65.86 60.80 55.73 50.66 45.60 40.53 39.52 35.46 32.42 30.40 25.33 20.27 15.20 13.17 12.16 11.15 10.13 8.11 7.09 5.07 3.45 2.63 1.32 0.00

ver 08-Aug-2017

bar

mbar

1.01

1013.25

1.00

999.06

0.99

994.00

0.98

979.81

0.95

946.38

0.93

933.20

0.91

913.95

0.91

911.93

0.81

810.60

0.76

759.94

0.71

709.28

0.68

678.88

0.66

658.61

0.61

607.95

0.56

557.29

0.51

506.63

0.46

455.96

0.41

405.30

0.40

395.17

0.35

354.64

0.32

324.24

0.30

303.98

0.25

253.31

0.20

202.65

0.15

151.99

0.13

131.72

0.12

121.59

0.11

111.46

0.10

101.33

0.08

81.06

0.07

70.93

0.05

50.66

0.03

34.45

0.03

26.34

0.01

13.17

0.00

0.00

Perfect vacuum or 100% vacuum is a zero reference pressure. In practice, a perfect vacuum is impossible to obtain. kPa = bar x 100; mbar = bar x 1000

Vacuum Pressures Unit Conversions Chart (Relative)

% Vacuum

0.00 1.40 1.90 3.30 6.60 7.90 9.80 10.00 20.00 25.00 30.00 33.00 35.00 40.00 45.00 50.00 55.00 60.00 61.00 65.00 68.00 70.00 75.00 80.00 85.00 87.00 88.00 89.00 90.00 92.00 93.00 95.00 96.60 97.40 98.70 100.00

ATM (standard atmosphere)

1.00 0.99 0.98 0.97 0.93 0.92 0.90 0.90 0.80 0.75 0.70 0.67 0.65 0.60 0.55 0.50 0.45 0.40 0.39 0.35 0.32 0.30 0.25 0.20 0.15 0.13 0.12 0.11 0.10 0.08 0.07 0.05 0.03 0.03 0.01 0.00

PSIG negative

gauge

0.00 - 0.21 - 0.28 - 0.48 - 0.97 - 1.16 - 1.44 - 1.47 - 2.94 - 3.67 - 4.41 - 4.85 - 5.14 - 5.88 - 6.61 - 7.35 - 8.08 - 8.82 - 8.96 - 9.55 - 9.99 - 10.29 - 11.02 - 11.76 - 12.49 - 12.79 - 12.93 - 13.08 - 13.23 - 13.52 - 13.67 - 13.96 - 14.20 - 14.31 - 14.50 - 14.70

Torr (mm Hg) negative gauge

0.00 - 10.64 - 14.44 - 25.08 - 50.16 - 60.04 - 74.48 - 76.00 -152.00 -190.00 -228.00 -250.80 -266.00 -304.00 -342.00 -380.00 -418.00 -456.00 -463.60 -494.00 -516.80 -532.00 -570.00 -608.00 -646.00 -661.20 -668.80 -676.40 -684.00 -699.20 -706.80 -722.00 -734.16 -740.24 -750.12 -760.00

inches Hg negative

gauge

0.00 - 0.42 - 0.57 - 0.99 - 1.97 - 2.36 - 2.93 - 2.99 - 5.98 - 7.48 - 8.98 - 9.87 - 10.47 - 11.97 - 13.46 - 14.96 - 16.46 - 17.95 - 18.25 - 19.45 - 20.35 - 20.94 - 22.44 - 23.94 - 25.43 - 26.03 - 26.33 - 26.63 - 26.93 - 27.53 - 27.83 - 28.43 - 28.90 - 29.14 - 29.53 - 29.92

kPa negative

gauge

0.00 - 1.42 - 1.93 - 3.34 - 6.69 - 8.00 - 9.93 - 10.13 - 20.27 - 25.33 - 30.40 - 33.44 - 35.46 - 40.53 - 45.60 - 50.66 - 55.73 - 60.80 - 61.81 - 65.86 - 68.90 - 70.93 - 75.99 - 81.06 - 86.13 - 88.15 - 89.17 - 90.18 - 91.19 - 93.22 - 94.23 - 96.26 - 97.88 - 98.69 -100.01 -101.33

bar negative

gauge 0.00 -0.01 -0.02 -0.03 -0.07 -0.08 -0.10 -0.10 -0.20 -0.25 -0.30 -0.33 -0.35 -0.41 -0.46 -0.51 -0.56 -0.61 -0.62 -0.66 -0.69 -0.71 -0.76 -0.81 -0.86 -0.88 -0.89 -0.90 -0.91 -0.93 -0.94 -0.96 -0.98 -0.99 -1.00 -1.01

ver 08-Aug-2017

mbar negative

gauge 0.00

- 14.19 - 19.25 - 33.44 - 66.87 - 80.05 - 99.30 - 101.33 - 202.65 - 253.31 - 303.98 - 334.37 - 354.64 - 405.30 - 455.96 - 506.63 - 557.29 - 607.95 - 618.08 - 658.61 - 689.01 - 709.28 - 759.94 - 810.60 - 861.26 - 881.53 - 891.66 - 901.79 - 911.93 - 932.19 - 942.32 - 962.59 - 978.80 - 986.91 -1000.08 -1013.25

Perfect vacuum or 100% vacuum is a zero reference pressure. In practice, a perfect vacuum is impossible to obtain. kPa = bar x 100; mbar = bar x 1000

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