Applying the uncertainty propagation law (i.e. the well-known Taylor Series Method) to measurements involving a complex mathematical relation between various input quantities is difficult. The link below directs you to a video that briefly explains the principles and the implementation of the spreadsheet Kragten method for an easy and fast combination of uncertainty components from mathematically complex measurement. The video mentions some limitations of this approach that are not problematic in many cases. The developed spreadsheet is made available in a second link.

Video: https://www.youtube.com/watch?v=vMpFsi12h0I

Spreadsheet: https://mechem.rd.ciencias.ulisboa.pt/wp-content/uploads/sites/99/2019/09/Uncertainty_Propagation_Kragten.xlsx