Shift Staffing Planner

Turn the coverage you have to provide into the headcount it takes to staff it. Set time off once, list each post, and the workbook returns coverage hours, the relief factor, and the people you need, with a payroll figure and a board-ready summary.

One Excel workbook that turns coverage into a staffing plan and a payroll figure

A working model, not a blank grid. You set the time-off assumptions once and list your posts, the workbook returns the relief factor and the employees each post needs, and it opens on a worked example so the logic is clear before you change anything.

• Shift Staffing Planner. Set per-employee availability once, contracted hours, working weeks, holidays, PTO, sick or personal days, training, and hours per day, then list each post with the people on at once, the hours per day, and the days per week. The workbook builds the hours one person works after time off, then returns coverage hours, the relief factor, and the employees needed, post by post with a running total.
• A board-ready summary, sourced benchmarks, and the method in plain English. A one-page Summary rounds the headcount to whole people, carries the blended relief factor and coverage, and prices the plan at a fully loaded cost per employee. A Benchmark tab holds coverage, relief-factor, and absence ranges from BLS and government and contact-center staffing models, and the Notes tab documents how each number is built.

Three steps from coverage to a staffing plan you can defend

You set the time-off assumptions, list the posts, and the workbook returns the relief factor and the employees the coverage requires, with a payroll figure.

• Set the time-off assumptions. Fill the amber cells for contracted hours, working weeks, holidays, PTO, sick or personal days, training, and hours per day. These build the hours one person works after time off, the divisor for every post, about 1,768 in the worked example. Set sick or personal to reflect real unplanned absence, not only formal sick leave.
• List each post. Enter each post or coverage area with the people on at once, the hours per day it runs, and the days per week. Coverage hours, the relief factor, and the employees needed calculate on the right, and a row with a blank post is ignored, so you can model three posts or a dozen.
• Read the plan and the payroll. The Summary rounds the headcount to whole people and carries the blended relief factor and coverage. Set a fully loaded cost per employee to see the annual payroll to staff the coverage, the cost per coverage hour, and the cost per post.

The schedule shows the slots, not the people you have to employ

Two shortcuts get shift staffing wrong. The first staffs to the slots on a schedule, as if the people filling them never took a day off. The second plans on the 2,080-hour paid year, as if a person delivered every paid hour. Real staffing rests on the hours a person works after leave, and it takes more than one person to keep one post filled.

• The hours one person works are the divisor. Paid hours, 2,080 at 40 by 52, minus holidays, PTO, sick, and training give the hours a person works, about 1,768 in the worked example. Every post is sized against that figure, not the paid total, which is why the headcount runs above the schedule.
• Coverage is not staffing. Coverage is how many people must be on at once; staffing is how many you employ to deliver it every day of the year. A post that looks like a few seats on a schedule needs the relief factor on top, because the people filling those seats take days off and leave.
• Calibrate the relief inputs to your own data. The relief factor rises with time off and falls with the hours each person works, so the leave figures move the number most. A factor near 1.4 to 1.6 per eight-hour shift is common for moderate leave; much above 1.7 signals heavy time off or a schedule worth tightening.

Who this planner fits and where to go if that is not you

Built for

• An operations or HR leader staffing posts that run on a fixed schedule, security, dispatch, a front desk, a plant line, or a clinic, who needs the headcount behind the coverage before taking it to finance.
• A finance or operations partner pressure-testing a staffing request, who wants the employees tied to coverage hours and the relief factor, and a payroll figure at the recommended headcount.
• An owner or department head who keeps covering gaps with overtime and wants to see whether a post is simply understaffed.

If you are looking for

• Sizing headcount from workload, tickets, orders, or cases, rather than from fixed coverage. The FTE Headcount Planner sizes that.
• Deciding whether to cover one steady gap with overtime or a new hire. The Overtime vs New Hire Planner runs that trade-off.

Before you buy

What format is it and can I edit it?

It is one Excel workbook that also works in Google Sheets. Every input and formula is editable, and the file is yours to keep. Add posts by inserting rows inside the table, and duplicate the file to plan a second site or to rerun the numbers later.

There is a free version of this. Why pay for this one?

The free tool sizes one set of posts in the browser and resets when you close the tab. This workbook plans every post in one place and adds what the free tool stops short of: a fully loaded cost per employee turned into the annual payroll to staff the coverage, the cost per coverage hour, and the cost per post. It is a file you keep, with open formulas, so you can set the time-off and absence assumptions to your own operation, rerun it as coverage changes, and hand the one-page Summary to leadership.

How accurate is the result?

It is a planning estimate, and the time-off assumptions drive it. The hours one person works depend on the holidays, PTO, sick, and training you enter, and the relief factor follows from the coverage you list. Set the assumptions to your operation, keep the absence figure honest, and read the headcount as a range. Each post rounds up to whole people, which is deliberately conservative, and a shared relief pool across posts can shave the total slightly. The math is correct for the inputs.

How do I set the time-off and absence figures?

Use your own payroll and time-and-attendance data. Holidays, PTO, and training are usually set policy; the one to watch is sick or personal, which should reflect real unplanned absence, not only formal sick leave. BLS puts unplanned absence around 1.7 to 1.9 percent of usual hours for illness and personal reasons, on top of planned PTO, so set the sick or personal days high enough to cover it.

What is the refund policy?

Digital products are covered by a 14-day money-back guarantee. See the refund policy for the full terms.

What happens after I buy?

Checkout delivers an instant download link, and a receipt with the same link arrives by email. Open the workbook in Excel or Google Sheets, set the time-off assumptions, and list your posts. If a file gives you trouble, email support@truestephr.com.

Planning estimates and general business information, not legal or tax advice. It sizes the headcount coverage requires; confirm overtime, breaks, and scheduling against the wage and hour rules that apply to you, and read the result as a range you calibrate to your own time-off and absence data. Last reviewed June 2026.