Skip to the main content.
Talk to an expert
Talk to an expert
Featured Offer
Ambitious 50 →
6 months of Hire and Engage free for businesses under 50 people.

Hey Compono!

A coach that actually gets you.

Get 10 minutes free, then $15 a month. Cancel anytime.

Get Started ≫
Free tools for HR leaders

Employee engagement ROI
calculator

See what moving people from disengaged to engaged is worth before you sign off the budget.

Your numbers

Projected annual return
 
Share
How is employee engagement ROI calculated?

You compare the financial gain from moving people from disengaged to engaged against the cost of the program that does it. The gain comes from three sources: higher productivity, lower staff turnover, and reduced absence. This calculator applies Gallup's published multipliers to each, then subtracts your program cost to show net return and ROI percentage.

How we calculated this

We take the share of your headcount you plan to move from disengaged to engaged and value the shift two ways. Recovered productivity is those people multiplied by average salary and by 18%, Gallup's estimate of what a not-engaged employee costs. Avoided turnover assumes each of them becomes 43% less likely to leave, applied to a 16% baseline turnover rate and a replacement cost of 1.5 times salary. Add the two, subtract your program cost, and you have net return; divide by the cost for ROI. Absenteeism savings are left out. Every step of that, with the assumptions and sources, is below.

New to the term? Read the plain-English definition of employee engagement in the HR Glossary.

Your working
Assumptions
  • The productivity gain uses 18% of salary (Gallup's figure for employees who are not engaged) and assumes everyone you move recovers all of it. No program moves a whole cohort in a year, so treat the projection as the size of the prize if the program works fully.
  • The turnover saving assumes moved employees are 43% less likely to leave. Gallup's 11th edition meta-analysis puts the gap between top-quartile and bottom-quartile teams at 21% for high-turnover organisations (over 40% a year) and 51% for everyone else, so 43% sits under the figure that applies to most Australian employers.
  • Baseline turnover is fixed at 16%, AHRI's Australian average to December 2024, and replacement cost at 1.5 times salary, the mid-point of Gallup's half-to-two-times range. If your turnover is higher, or your roles are specialised, the avoided-turnover figure is understated.
  • Absenteeism savings are not modelled, even though Gallup links top-quartile engagement to 78% lower absenteeism, so the return is conservative on that side. Program cost is whatever you enter; include internal time as well as the vendor invoice.
Sources

What to do about it

A projected return is an argument, and arguments get tested. The number above wins the budget only if you can say which people it will move and how you will know they moved. These steps are for whoever has to write the business case, whether or not they sign it off.

1

Halve the number before you present it

Take the net return above, cut it in half, and put that on the slide next to the cost. If the case still clears, it clears with room for the program to under-deliver. If it does not, fix the program before you ask for the money. A CFO who watches you discount your own projection tends to believe the rest of it.

2
Where a tool helps

Name the cohort you are moving

"10% of headcount" is a spreadsheet cell. The business case needs actual teams: the ones where the survey is lowest, where exits cluster, where the manager is new, where the workload never came down. Write down who they are and what disengaged looks like for them today, because that is your baseline.

3

Put the money where the manager is

Gallup attributes about 70% of the variance in team engagement to the manager. A program that spends on posters and platforms and leaves the manager untouched will not move the cohort in step 2. Coaching and time to actually manage are what shift engagement, and they cost less than most programs.

4

Agree the measures before the spend starts

Engagement score for the named cohort, their voluntary exits, their unplanned absence and their internal moves, all read at the same points each quarter. Put those in the business case as the definition of success, and agree with finance now what happens to the funding if they have not moved by month nine.

5

Re-run this calculator with real numbers at the end of the year

Replace the assumed 10% moved with the measured shift, the assumed turnover with the actual, and compare it to the projection. That comparison is worth more than the projection itself, because next year's case is built on it.

Step 2 decides whether
the return shows up.

Compono Engage is an employee engagement platform that reads culture and climate alongside work personality at team level, so the cohort in step 2 is a list of real teams with a reason attached rather than a percentage. Most engagement tools give you a company score and a benchmark. Engage shows which teams are furthest from engaged and what is driving it, then tracks the shift as the program runs.

The projection above assumes the money reaches the right people. Engage is how you know it did, and step 4's measures come out of the same read, quarter after quarter, without a second survey.

See how it works
Compono Engage
8%+
reduction in turnover

Common questions

What multipliers does this use?

The defaults come from Gallup's Q12 meta-analysis (11th edition), which links top-quartile engagement to about 18% higher productivity in sales, 78% lower absenteeism, and 21% to 51% lower turnover depending on baseline turnover. We apply these conservatively, so the projected return tends to sit at the cautious end.

Why does turnover have such a big effect on the result?

Replacing someone is expensive once you add recruitment, lost output, and the months it takes a new hire to get up to speed. Because engaged people are far less likely to leave, even a small drop in turnover moves the number a lot. That is why the turnover saving is often the largest part of the total.

Is this ROI guaranteed?

No. It is a modelled projection based on research averages, not a forecast for your specific business. Your actual return depends on how well the program is run and how accurately you target the right people. Treat it as a credible case for investment, then measure the real shift as you go.

This page is general information, not legal advice. We check figures annually and update them on a best-efforts basis, but employment rules change and we cannot promise everything here is current or complete. Before you act on it, confirm the detail with the relevant authority in your country or your own adviser. Last reviewed July 2026.

Next step

Business case

Build the business case

Turn this number into a document your CFO can question line by line.

Open the builder →Related tool

Manager impact on engagement calculator

Keep the same numbers moving. The next calculator picks up where this one stops.

Run it next →HR Glossary

Employee engagement

The plain-English definition, with the calculators and rules that sit around it.

Read the definition →Talk to us

Bring us your number

A 30-minute conversation about what it means for you, not a demo script.

Talk to us →