All HR Calculators

Browse all available calculators organized by category. Every tool shows its formula, assumptions, and limitations.

Pay & Compensation

Convert hourly rate to annual salary estimate.

Convert annual salary to hourly equivalent.

Calculate the percentage of a pay change.

Apply a cost-of-living adjustment to current pay.

Estimate overtime pay from a base rate and hours.

Estimate partial-period gross salary transparently.

Estimate flat or tiered commission with optional draw.

Calculate total shift pay with a differential premium.

Calculate net working time from time entries and breaks.

Estimate PTO accrued using per-hour, per-period, or grant methods.

Count or add/subtract business days between dates.

Calculate net work time after break deductions.

Calculate period turnover from headcount data.

Estimate average recruiting cost per completed hire.

Estimate total employer cost per position.

Estimate job cost, cost per productive hour, and price.

Calculate the percentage of employees retained over a period.

Measure absence days as a share of available workdays.

Count business days from requisition to acceptance.