The Math · How it works
What an empty seat really costs
Cost-per-hire is tracked; the cost of the seat sitting empty is the bigger number nobody prices. The calculator puts an honest daily and net figure on every open role — gross impact minus the salary you're not paying while it's vacant.
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<iframe src="https://redhub.ai/visuals/kit/cost-of-vacancy-calculator.html" title="What an empty seat really costs — the math — RedHub AI" width="760" height="1273" loading="lazy" style="border:0;width:100%;max-width:760px"></iframe>
<p style="font:14px/1.5 system-ui,sans-serif"><a href="https://redhub.ai/visuals/kit/cost-of-vacancy-calculator">What an empty seat really costs — the math</a> — by <a href="https://redhub.ai">RedHub AI</a>, the AI that tells you when to doubt it.</p>Image + link — a static picture for any blog
<a href="https://redhub.ai/visuals/kit/cost-of-vacancy-calculator"><img src="https://redhub.ai/visuals/kit/cost-of-vacancy-calculator-share.png" alt="Worked example: 2 roles open 45 days cost $78,692 net — gross $103,846 minus $31,154 salary saved plus $6,000 temp." width="760" loading="lazy" style="max-width:100%;height:auto;border-radius:16px"></a>
<p style="font:14px/1.5 system-ui,sans-serif"><a href="https://redhub.ai">RedHub AI</a> — the AI that tells you when to doubt it.</p>
This is the math behind Cost of Vacancy Calculator. More diagrams in the Visual Field Guide.