Cost of a Vacancy Calculator

The arithmetic, in plain terms

Value per day is the salary times the multiple you choose, divided by 365. The part of the work nobody covers is lost, so lost output is that daily value, times the days empty, times the share not covered. Work that others do instead costs a premium, because it is overtime or a contractor, so the cover cost is the normal pay for those days, times the share covered, times your premium.

Salary you don't pay while the seat is empty is subtracted, which is why the cost isn't simply "salary times days". Interview time and money spent to fill the role are added as one-off costs. The result is the figure shown, and the per-day figure leaves out the one-off costs.

The number to treat with care

The one assumption that moves the answer most is the value the role creates as a multiple of salary. A role that directly earns or saves money, such as a salesperson or an engineer on a revenue product, creates much more than it costs. A support role covered by colleagues creates less lost output and more cover cost. We start with 2 as a round example, not a fact about your business, so use a figure you can defend to your finance team.

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Using the result

The most useful line is the last: what ten fewer days to fill is worth. It lets you compare the cost of a faster process (a recruiting tool, a quicker interview loop, a standing offer-approval rule) with what the delay costs now. Delays that matter are usually in the gaps between steps: CVs waiting for review, interviews waiting for a slot, feedback waiting for interviewers, and offers waiting for sign-off.