Automation · ROI
A plain formula, the five inputs to collect, and a worked example using 2026 labor cost data, so you can rank projects before spending.
One formula, five inputs
Worked example with real numbers
Avoid inflated savings
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Automation ROI is the yearly benefit minus the yearly cost, divided by the yearly cost. The benefit is hours saved times the loaded hourly cost of the people doing the work, plus errors avoided and any revenue gained. The cost is the one-time build spread over its useful life, plus subscriptions and upkeep. Payback period is the one-time cost divided by the monthly net benefit.
Here is the formula you can run on paper or in a spreadsheet:
A 40-person services firm receives 200 web leads a month. An office coordinator copies each one into the CRM, assigns it and sends a reply. It takes 6 minutes per lead.
Now the costs, again illustrative:
ROI = ($11,160 – $2,080) / $2,080 = about 4.4, or 436 percent. Monthly benefit is $930 and monthly running cost is about $90, so payback on the $3,000 setup is roughly 3.6 months.
Notice that the faster response to leads is not counted. If quicker replies win even one extra job a year, the return is higher. Keep that as upside rather than building it into the base case.
Want help finding the automations with the best return? Our free Technology Health Assessment takes about 30 minutes of data collection. The next day you get a plain-language report rating your automation and AI opportunities and your technology spending, with a short list of next steps in order. It is yours to keep, with no obligation. Book your assessment.
Saved hours only become money if something changes. Be honest about which of these applies.
You grow without adding a role you would otherwise need. This is the strongest case and the easiest to defend.
Staff spend freed hours on billable or revenue work. Count it only if you can name the work.
Month-end or seasonal crunches shrink. Use last year’s overtime as the baseline.
If none of these apply, the benefit is real but softer: fewer errors, faster service and less frustration. Still worth doing, but do not present it as cash.
After launch, check the real numbers at 90 days: how many runs succeeded, how many needed a person, and how much time staff say they got back. If the actual saving is well below the estimate, find out why before building the next automation. Usually the cause is exceptions nobody counted or a step staff still do by habit.
The same firm sends about 60 overdue reminders a month by hand, at 6 minutes each, or 6 hours a month. Turning on built-in reminders in its accounting software costs nothing extra and takes 2 hours to set up and test.
The percentage is higher than the lead example, but the dollar benefit is smaller. That is why you should rank projects by net annual benefit as well as by ROI. A small project with a huge percentage may matter less than a larger one with a solid return. Faster payment also improves cash flow, which is real value even though this formula does not count it.
When you have a list of possible automations, score each one before calculating full ROI:
Build the high-hours, low-effort items first. They fund the harder projects. Broad estimates of how much work could be automated describe technical potential, not a target. Your ranked list is a better guide.
JLB USA designs and builds automation and practical AI, and integrations between CRM, accounting and ERP systems, starting with the projects that pay back fastest.
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Subtract annual cost from annual benefit and divide by annual cost. Benefit is hours saved times loaded hourly cost, plus errors avoided and added revenue. Cost includes setup spread over its life, subscriptions and maintenance.
Use loaded cost: wages plus benefits and payroll taxes. BLS reported private-industry employer costs averaged $46.89 per hour worked in June 2026, but your own payroll data is better.
It depends on your numbers. Simple automations built on tools you already pay for can pay back in months, as in the worked example here; custom integrations take longer. Run the payback formula before you build.
Treat it as upside unless you have data linking response time to won business. Keep the base case to labor and error savings.
You can build one with five inputs: volume, minutes per task, loaded hourly cost, share automated and costs. The formulas in this article are all you need.
