The HR Metrics That Tell You What’s Actually Happening in Your Business
How many people left your business in the last year — and when did they leave? Day 0–30? Day 31–90? After six months? Did they all report to the same manager? If you can’t answer that, you’re making people decisions on feelings instead of data.
And feelings aren’t a strategy. When small business owners tell us “we don’t have a lot of turnover,” and we ask for the retention data, it’s almost always anecdotal — “this person left for this reason, that one for that.” That’s a story you’re telling yourself. The numbers tell you what’s actually happening, where the problem is, and what to do about it. The good news: you don’t need expensive software to start. A single spreadsheet will do.
The Five Categories of HR Metrics Every Business Should Track
After 20+ years in HR, we group the metrics that actually matter into five categories. You don’t have to track all of them at once — but you should know what each one tells you.
Retention and turnover — your turnover rate (people who left divided by average headcount, times 100), plus time-to-turnover (when in their tenure people leave), voluntary vs. involuntary turnover, and retention by manager.
Hiring — time to fill (job posting to accepted offer; aim for around 30 days), quality of hire (measured with a real 90-day review), and source of hire (where your best people actually come from).
Engagement and absenteeism — an annual engagement survey, plus absenteeism rate (days absent divided by scheduled days), the quiet morale signal most owners ignore.
Performance — what percentage of your team has documented goals, what percentage has had a review in the last 12 months, and your rating distribution.
Compensation — your pay equity ratio (the same role paid consistently regardless of gender, race, or tenure) and your compa-ratio (where each person falls against the midpoint of their range).
Time-to-Turnover: The Metric That Points Straight at the Problem
This is the one we’d start with. The timing of a departure tells you where to look. Someone leaving in the first 30 days usually signals a hiring problem — you hired the wrong fit, or the role wasn’t what they expected. Departures between 31 and 90 days point to onboarding — you didn’t get them up to speed. Anything past 90 days shifts the conversation to the manager or the culture, or both.
That’s the power of the data: it turns “we lost a few people” into “we have an onboarding gap” or “we have one manager with three times the turnover of anyone else.” One is a feeling. The other is a finding you can actually act on.
Build the System: Three Tabs, No Software Required
You do not need an HR platform to begin. Open a spreadsheet and build three tabs:
A headcount log — hire date, termination date, reason for termination, and manager. An open-requisition log — posting date, fill date, and source of hire (just ask new hires, “How did you find us?”). And an absence log — by employee, by month.
Review it quarterly. Put a 30-minute meeting on the calendar, ideally with your managers, and it will show you something you didn’t know. When you hit roughly 15–20 employees, or you have multiple managers and want to track performance by team, that’s your signal to move into an HR/payroll system with reporting — but only buy one if you’ll actually implement it and use it.
Use the Data — Don’t Just Collect It
Data without action is just a spreadsheet, and nobody needs another spreadsheet. A turnover spike in the first 30 days means audit your hiring and onboarding. Absenteeism climbing in one department is a morale signal, not a coincidence. One manager with outsized turnover is a leadership conversation, not an HR policy. And if your compa-ratios show one group is consistently paid below the midpoint, that’s a pay equity audit worth doing.
Here’s the reframe that changes everything: HR metrics are business metrics. Compensation and benefits are usually the largest line item on your P&L, and your people are how the work gets done. If you turned over four people last year at a $50,000 average, that’s roughly $60,000–$100,000 in replacement cost you simply absorbed. You don’t need an HR person to care about that — you need someone responsible for the data, and the discipline to act on it.
If you’re flying on feelings instead of data, take the free HR Audit to score your HR in 5 minutes and see exactly where your gaps are. → https://saltandlightadvisors.com/hraudit
Resources to keep building:
🎯 Take the free HR Audit — Score your HR systems in 5 minutes and see exactly where your gaps are. https://saltandlightadvisors.com/hraudit
🎙️ Listen to Don’t Waste the Chaos — the podcast for small business owners building strong people operations. This week: EP 129 on HR metrics. https://www.buzzsprout.com/2471085
📖 Get The HR Easy Button — Kerri’s book on building HR systems that actually work for small businesses. https://amzn.to/4u1XFWi
✉️ Subscribe to the newsletter — weekly HR insights for founders, in your inbox every Monday. https://saltandlight.myflodesk.com/saltandlightadvisors
Need fractional HR support or want to talk through a specific challenge? https://saltandlightadvisors.com/contact
Ready to build foundational HR systems on your own? https://saltandlightadvisors.com/hrfoundations
