For HR Business Partners ·
What you'll accomplish
A workforce planning session usually ends with a whiteboard photo and a vague headcount number, and turning that into a quarter-by-quarter plan with a budget attached means building formulas from scratch in Sheets. This guide sets up a workforce plan model in Google Sheets using Gemini's built-in features, so you can go from a rough plan to a quarter-by-quarter headcount and budget model a business leader can actually react to, without hand-building every formula.
What you'll need
Open a new Google Sheet and lay out the raw structure before asking Gemini to help with anything.
What you should see: A clean sheet with one row per role type and current headcount and budget filled in.
Look for the Gemini or sparkle icon in the Sheets toolbar to open the conversational assistant panel.
What you should see: A chat-style panel on the right side of your spreadsheet where you can type questions about your data. Troubleshooting: If you don't see a Gemini icon, your Workspace admin may not have enabled it yet for your organization. Check with your IT or Workspace admin before assuming the feature is broken.
Describe your planning goal in the sidebar and ask it to build out a quarter-by-quarter view based on your base sheet.
What you should see: New columns appear in your sheet (or a suggested addition you can accept) showing headcount and budget by quarter.
Select a range of cells where you want commentary, such as a "risk notes" column, and use Fill with Gemini to generate short notes per row based on the rest of that row's data.
What you should see: Short, cell-level notes populated automatically down the column, flagging the rows worth a second look.
Use the conversational sidebar to request a visual you can drop straight into a leadership deck.
What you should see: A chart inserted into your sheet, ready to copy into a presentation.
Before this model goes in front of a leader, check the projected budget totals against your finance partner's actual approved numbers for the unit.
What you should see: A model where your current-state numbers tie out exactly to Finance's own figures, so the projected quarters build from a trusted baseline.
Building the initial projection:
Project headcount and budget by quarter for [goal], starting from the current
state in this sheet. Phase the change across [N] quarters.
Flagging risk rows:
Add a notes column flagging any row where budget growth outpaces headcount growth,
or where the phasing looks unrealistic given typical hiring timelines.
Comparing to a flat-budget scenario:
Show a second projection where the budget stays flat instead of growing with
headcount, so I can compare what tradeoffs that would require.
Requesting a chart:
Chart the headcount and budget trend across the four quarters in this plan, using
a chart type that makes the growth curve easy to read at a glance.