Calculator library

Free Work Calculators

Your entries are calculated in your browser. Each tool includes its assumptions and a worked example.

Payroll Calendars

Biweekly vs. Semimonthly Pay Calculator

Compare gross paycheck amounts when the same annual salary is paid 26 versus 24 times.

Calculate →
Hours & Pay

Work Hours Calculator

Add clock-in and clock-out times, subtract breaks, and see regular and overtime hours.

Calculate →
Shift Schedules

Rotating Shift Calendar

Generate a dated work/rest rotation and download an all-day calendar.

Calculate →
Hours & Pay

Shift Differential Calculator

Estimate extra pay from night, evening, weekend or other premium hours.

Calculate →
PTO

PTO Accrual Calculator

Calculate PTO earned per pay period and project an available balance.

Calculate →
Payroll Calendars

Pay Date Calendar

Generate weekly, biweekly, semimonthly or monthly pay dates for a selected year.

Calculate →
Workforce Planning

FTE & Headcount Calculator

Convert workload hours into productive and scheduled full-time equivalents.

Calculate →
Hours & Pay

Business Days & Work Hours Calculator

Count working dates with custom weekdays and closures, then export a daily breakdown.

Calculate →
Hours & Pay

Decimal Hours Calculator & Bulk Timesheet Converter

Convert a list of hours:minutes or decimal hours, add the total and download the results.

Calculate →
PTO

PTO Balance Ledger with Accrual Cap

Apply dated earning and leave transactions in order to see balances and accrual blocked by a cap.

Calculate →
Workforce Planning

Shift Coverage & Gap Calculator

Compare shift rows against a constant staffing target and see exactly when coverage falls short.

Calculate →

Frequently asked questions

Which calculator should I start with?

Use Work Hours for clock entries, Shift Differential for premium pay, PTO for leave balances, Pay Date Calendar for paydays, Rotating Shift Calendar for work/rest patterns and FTE for staffing capacity.

Can I save the result?

Use the controls shown on the chosen tool. Print and copy are available for results; calendar tools also provide the export options displayed on their page.

Timesheet Rounding Checker and Bulk Time Converter

Paste up to 500 durations, convert H:MM or decimal hours, and compare rounding each row with rounding the total once.

Open calculator

Staffing Shrinkage and Productive Capacity Calculator

Estimate productive hours, the scheduled hours needed to cover demand, and the additional FTE required after unavailable time.

Open calculator

More planning calculators