You can't directly "convert" 14.73 psi to 15.025 psi. These are two different values, and you're essentially asking how to change one number into another.

Here's why you might be confused and what you can do:

* Rounding: Perhaps you're dealing with a measurement that was rounded to 14.73 psi, and the actual value was closer to 15.025 psi. In this case, the conversion is simply a matter of using the more precise value.

* Pressure Change: You could be looking at a situation where pressure is changing over time or due to some process. 14.73 psi might be the initial pressure, and 15.025 psi might be the final pressure after some change. In this case, you'd need to understand the process causing the pressure change to calculate how it happened.

Example:

Imagine you have a container filled with air. You initially measure the pressure at 14.73 psi. Then, you heat up the container, which causes the pressure to rise. You might then measure the pressure as 15.025 psi. This isn't a conversion; it's a change in pressure due to a change in temperature.

To clarify what you're trying to do, please provide more context. What is the situation where you want to go from 14.73 psi to 15.025 psi?