Bradford Factor Calculator

Use this quick and simple calculator to work out bradford factor.


Bradford Factor Calculator

The Bradford Factor is an industry standard formula for measuring worker absenteeism. The more frequency the absences the more disruption is caused to your business.

If you like, you can jump straight into the calculation. Or, if you need a little further guidance, scroll down past the calculator for some guidance on how to use the tool.

Start your calculation

Absence Count (Number of occurences)
Days Absent (Total number of Absent Days)
Get your calculation

What you need to know

The Bradford Factor is calculated as follows:

B = S² × D


  • B is the Bradford Factor
  • S is the total number of spells (instances) of absence of an individual over a set period
  • D is the total number of days of absence of that individual over the same set period

The 'set period' is typically set as a rolling 52-week period.

Final note

If you need immediate advice on absenteeism, you can speak to an HR adviser today on 01455 858 132.


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