Rex says
Everyday utility math — the kind you'd otherwise pull up four browser tabs for. I keep it to one clean answer.
Try a scenario
Click to load — tweak from there.Inputs
Result
Monthly spend per employee
$152.38
Cost per seat
$116.36
Idle seats
13
Annual cost of idle seats
$18,153
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter monthly software spend ($).
- 2Enter employees.
- 3Enter seats paid for.
- 4Read your monthly spend per employee on the right — it updates as you type.
- 5Hit Share to keep the scenario or send it to someone.
About this calculator
Seat-based tools drift out of sync with headcount. This shows spend per employee, the cost of idle seats, and the annual saving from a clean-up.
Worked example
Using the values the calculator loads with:
Inputs
- Monthly software spend: 6400 $
- Employees: 42
- Seats paid for: 55
Results
- Monthly spend per employee: $152.38
- Cost per seat: $116.36
- Idle seats: 13
- Annual cost of idle seats: $18,153
What each field means
Inputs
- Monthly software spend ($)
- The monthly software spend used in the calculation, measured in $. Starts at 6400 $ so you have a working example on load.
- Employees
- The employees used in the calculation. Starts at 42 so you have a working example on load.
- Seats paid for
- The seats paid for used in the calculation. Starts at 55 so you have a working example on load.
Results
- Monthly spend per employee
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Cost per seat
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Idle seats
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Annual cost of idle seats
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the software cost per employee calculator work?
Seat-based tools drift out of sync with headcount. This shows spend per employee, the cost of idle seats, and the annual saving from a clean-up. The underlying maths is: Per employee = spend ÷ headcount. Idle cost = (seats − headcount) × cost per seat × 12.
What do I need to enter?
3 values: monthly software spend, employees, and seats paid for. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the monthly spend per employee result mean?
It is returned as a money amount in US dollars and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Estimates assume standard, average conditions — local rules, pricing, and materials vary.
Who is this tool for?
It's built for anyone doing everyday planning maths — a quick estimate that would otherwise need four browser tabs and a calculator app.
Accuracy and limitations
- Estimates assume standard, average conditions — local rules, pricing, and materials vary.
- Results are rounded for readability; add a buffer before ordering, booking, or committing.
- Double-check anything with a real cost attached against a local quote.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Software Cost Per Employee Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/software-stack-cost-per-employee
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/software-stack-cost-per-employee" target="_blank" rel="noopener">Software Cost Per Employee Calculator — RevenueLab</a> (2026).</p>
Source: [Software Cost Per Employee Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/software-stack-cost-per-employee) (2026).