Estimate minimum total people needed when a percentage of the shift must hold a specified skill or qualification.
Skill-Mix Coverage Calculator
Formula
How to use the result
Use the actual competency, licensing or certification requirements for the workplace. This calculator does not determine who is qualified.
What the calculator does not know
These are operational arithmetic tools, not employment-law, collective-agreement, payroll, occupational-safety or human-resources advice. Breaks, rest periods, overtime, maximum hours, scheduling notice, minimum staffing and qualifications vary by jurisdiction, contract, sector and workplace; verify the rules that actually apply.
Improve the estimate
Keep the inputs used for the decision and compare the estimate with actual results. A simple calculator is most useful when it makes the assumptions visible enough to learn from the difference.