Before I get into the arithmetic – WHICH IS EASY – I must establish first that there is no law on this. This is just something that your payroll/accounting/HR folks will quibble over from time to time, so you need an expert to make it canon. That’s what this is all about: How to convert a salary into an hourly wage.
The simplest and most common methods to make the conversion are as follows:
Simply use the annual salary and divide into it the scheduled hours per year.