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PSI from CUP Calculator

Formula

To calculate PSI from CUP:

$\text{PSI} = -17902 + 1.516 \times \text{CUP}$

Where:

$\text{PSI}$ is pounds per square inch
$\text{CUP}$ is the copper units of pressure

What is CUP?

CUP is a unit of pressure used in ballistics that stands for copper pressure units. It is used to measure the pressure exerted by a bullet when fired from a gun.

Example Calculation 1

Let's assume the following value:

Copper Units of Pressure $\text{CUP}$ = 20000

Step 1: Multiply the copper pressure units by 1.516, then subtract 17902:

$\text{PSI} = -17902 + (1.516 \times 20000) = -17902 + 30320 = 12418$

So, the PSI is 12418.

Example Calculation 2

Let's assume the following value:

Copper Units of Pressure $\text{CUP}$ = 15000

Step 1: Multiply the copper pressure units by 1.516, then subtract 17902:

$\text{PSI} = -17902 + (1.516 \times 15000) = -17902 + 22740 = 4838$

So, the PSI is 4838.