Math Halp

"HammerheadFistpunch" (hammerheadfistpunch) 08/30/2013 at 17:45 • Filed to: halp

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Im trying to find an equation that relates pressure (in psi) to Elevation (feet) and all I can find is pa and meters and when I try to enter it into a spreadsheet it barfs. I know im not so good at the ol excel, but I should be able to figure it out and I can't...plus it would save me several conversions.

For Sweden > HammerheadFistpunch 08/30/2013 at 17:50

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There is no one formula. You need to use the Standard Atmosphere .

HammerheadFistpunch > For Sweden 08/30/2013 at 17:52

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okay...so whats the formula for the troposphere? This is from 0-12000 foot range, so Im not talking about rockets or aircraft here.

desertdog5051 > HammerheadFistpunch 08/30/2013 at 17:59

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For Sweden had a good answer. Maybe this will help as well

http://www.ehow.com/how_7642829_co…

http://www.algebra.com/algebra/homewo…

HammerheadFistpunch > HammerheadFistpunch 08/30/2013 at 18:05

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if anyone is interested (you're not) I've figured out how to calculate the volume of compressed air container and the pressure you need to carry enough air to be able to inflate 4 tires of a given volume and pressure. The only part im missing is being able to accurate calculate the P atmospheric since It will matter what elevation you are compressing at.

rad_mike > HammerheadFistpunch 08/30/2013 at 21:22

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You're not just looking for the conversion right? If you are 1 psi = 2.3 feet water.

Seems too obvious though - not sure what you're after.