Cross Ref Chart - vacuum to psi to kpa to bar
10-04-2007, 04:01 PM
#1
Cross Ref Chart - vacuum to psi to kpa to bar kpa still was not intuitive to me yet.
So I made up a chart showing the kpa equivalents for inches of vacuum and pounds of boost, to kpa. These I do know, and anybody with a vacuum/boost gauge will be familiar with those too.
Thought I'd share...
psi = -(vac) * .4192
kpa = psi * 6.895 + 100
bar = kpa / 100
Now those kpa rows in the various tuning tables mean something to me.
Here are the numbers for quick reference.
The spreadsheet is attached as a zip file, if you want to add finer rows.
So I made up a chart showing the kpa equivalents for inches of vacuum and pounds of boost, to kpa. These I do know, and anybody with a vacuum/boost gauge will be familiar with those too.
Thought I'd share...
psi = -(vac) * .4192
kpa = psi * 6.895 + 100
bar = kpa / 100
Now those kpa rows in the various tuning tables mean something to me.
Here are the numbers for quick reference.
The spreadsheet is attached as a zip file, if you want to add finer rows.
Code:
Pressure Comparison Chart Inches (vac) PSI kpa bar 34.6 -14.5 0 0.00 30 -12.6 13 0.13 25 -10.5 28 0.28 20 -8.4 42 0.42 15 -6.3 57 0.57 10 -4.2 71 0.71 5 -2.1 86 0.86 0 0 100 1.00 2 114 1.14 4 128 1.28 6 141 1.41 8 155 1.55 10 169 1.69 12 183 1.83 14 197 1.97 16 210 2.10 18 224 2.24 20 238 2.38 22 252 2.52 24 265 2.65
