Do you have a tyre pressure gauge. If not get one. This will help calibrate your thumb.
Floor pumps gauges are notoriously off.
For tire pressure usually the pressure marked on the tire side wall is the range or the maximum pressure. Use one on the online tire pressure calculators to determine the starting pressure based on you weight and tire width and riding style.
Here is one I like. There are others.
https://axs.sram.com/guides/tire/pressure
Edit: Forgot. Welcome new person.