Free tools
Arithmetic you would otherwise redo in a spreadsheet every quarter, with the assumptions on the page rather than buried in a formula.
Absenteeism Rate Calculator
Work out your absenteeism rate: unplanned absence days divided by the days your team was scheduled to work. See the rate and the days lost per person.
Allocation Band Checker: Under, Full or Over
Check if a person's day is Under, Partial, Full or Over. Exactly 8 hours is Full, not over-allocated, the edge most planners miss. Try it free.
Attendance Rate Calculator
Turn days present and working days into an attendance percentage, with the absent count and a plain band instead of a grade.
Attrition Rate Calculator
Calculate attrition rate with voluntary and involuntary leavers kept apart. See both rates, the share of leavers who chose to go and a yearly figure.
Billable Hours Percentage Calculator
One person, one period: hours logged against hours expected, as a percentage, with idle and excess split out. Free, no signup, 2 fields to fill in.
Bradford Factor Calculator
Work out a Bradford factor score: spells of absence squared, times total days absent. Check it against your own review point. Free, no signup.
Capacity Planning Calculator
Check whether your team can deliver the work planned for a period. Enter headcount, leave, demand in hours and a target to see the gap and people needed.
Capacity Planning Tool for Team Hours
Plan team capacity in hours: headcount × day × working days, minus booked leave and holidays. See what 10 people really have free this month. No signup.
Coverage Gap Calculator: Are You Short?
Compare the people a shift or period needs against the people you have once absences are removed, and see the shortfall in whole heads rather than hours.
Double Time Pay Calculator
Double time pays twice your hourly rate for each qualifying hour. Enter your rate and hours to get the double-time rate and the gross pay, free.
Employee Retention Rate Calculator
Apply the employee retention rate formula: people from your starting group still employed, divided by starting headcount. New hires are left out.
Employee Turnover Rate Calculator
Work out your employee turnover rate from leavers and average headcount, for any period. Get the rate, a monthly figure and a yearly one. Free, no signup.
Free Leave Policy Generator
Build a leave policy from your own rules: leave types, quotas, notice, sick notes and carry-over. Copy or download the numbered draft. Free, no signup.
Free Org Chart Maker From a List
Paste names, job titles and who each person reports to, and get an org chart in seconds. Three layouts, direct-report counts and an SVG download, free.
FTE Calculator for Full and Part-Time Staff
Work out full-time equivalents: full-timers plus part-time hours over your full-time week. 8 full-timers and 60 part-time hours on 40 is 9.5 FTE.
Hours Between Two Times Calculator
Work out hours from a clock-in and a clock-out, with the unpaid break taken off. Handles a night shift that ends the next morning.
Hours Per Person Calculator
Split a period's available hours across the team to see what one person can realistically take on, and check a plan against it before the work is assigned.
HR Software Cost Calculator
Enter your headcount and compare the monthly bill for PeopleMuster at $3 per person with published HR plans, at vendor list prices from September 2026.
Late Minutes Calculator With Grace Period
Measure arrival against an assigned shift start and a grace period. Early counts as zero, exactly on time counts as zero, and the grace edge is not late.
Leave Balance Calculator (Quota Based)
Track one leave type against its yearly quota: days allocated, taken, awaiting approval, and what is genuinely left to book before the quota runs out.
Leave Encashment Calculator
Work out leave encashment: unused days up to your policy's ceiling, times a daily rate from your own monthly pay and divisor. Gross, before any deduction.
Leave Impact on Capacity Calculator
See what 1 approved leave request removes from the month before you approve it: hours lost, the share of capacity gone and whether cover holds.
Minutes to Decimal Hours Converter
Convert hours and minutes to decimal hours: 7h 30m is 7.5, 1h 20m is 1.33. Add your hourly rate to see what typing 7:30 as 7.30 costs you.
On-Time Rate Calculator
Turn days late into a punctuality percentage over a period, plus the average lateness on the days someone actually arrived late.
Overtime Calculator: Hours and Gross Pay
Enter hours worked, where overtime starts, your hourly rate and your multiplier. Get overtime hours and gross overtime pay before any deduction.
Prorated Leave Calculator
Prorate annual leave for a mid-year starter or a part-time contract. Enter the allowance, time employed and weekly hours to get exact and rounded days.
PTO Accrual Calculator
See how much PTO has accrued so far this year: your yearly allowance split per period, plus carry-over, minus leave taken, with an optional cap.
Shift Duration and Total Hours Calculator
Work out one shift's length after breaks, then multiply it across a rota. Night shifts that cross midnight are handled properly.
Team Leave Planner: Who Is Off When
Plan your team's leave on one grid. Add who is off and when, set how many people you need each day, and see every day you fall short. Free, no signup.
Team Utilisation Calculator (Hours Only)
Divide hours logged by hours available to get utilisation as a percentage, with a band. Hours throughout, with no rate, cost or margin anywhere in it.
Time and a Half Calculator
Time and a half is your hourly rate × 1.5. Enter your rate and the hours to get the time-and-a-half rate, the gross pay and what the extra half adds.
Time Card Calculator With Breaks
Add up a week of clock-ins and clock-outs, with unpaid breaks taken off each day. Handles night shifts. Get the total in hours and H:MM, free.
Unpaid Break Deduction Calculator
Take unpaid breaks off a shift total and get the paid hours, with the deduction in both minutes and hours. Free, no signup, 3 fields to fill in.
Weekly Hours Total Calculator
Add up a week of daily hours and get the total, the daily average and the spread between your longest and shortest day. Free, 7 days, no signup.
Working Days Calculator
Count working days between two dates with your own weekend, any mix of 1 to 7 days. Then take off only the holidays that land on a workday. Try it free.
See it running on your own team
We will switch on the modules you actually use, load your people, and show you the result before you decide anything.