Whether for sound pressure measurements or sound power measurements, the measured values are always given in dB.
Why are decibel values given in acoustics?
This tutorial explains why this is useful and helpful in acoustics and how to calculate decibel values.
Links to the next tutorials of this series:
Part 2 - Handling decibel values with ease
https://youtu.be/7t_lKV9miI4
Part 3 - Adding - averaging decibel values
https://youtu.be/4LaxZebh7Ro
Part 4 Working with decibels - Analysis Software
https://youtu.be/dQQnNFFlzhQ