A paid AI seat is cheap or expensive only next to the time it actually saves. Put the seat price on one side and the honest value of the hours on the other — this page does the rest.
Enter seats, seat price, hours saved and an hourly cost — your ROI appears here instantly.
An AI subscription sells a simple promise: give each person back some hours every month, at a price per seat. Whether that trade is good depends on three numbers most teams never put side by side — what a seat costs, how many hours it genuinely saves, and what one of those hours is worth. A $30 seat that saves five hours of a $40-an-hour person's month returns far more than it costs; the same seat bought for someone who opens the tool twice a month is a donation. This calculator forces the comparison into the open, and adds the two corrections that vendor ROI claims usually leave out: seats that were bought but are barely used (the adoption field), and the one-time cost of rolling the tool out (the setup field, which turns into a payback time).
Monthly cost = Seats × Price per seat. Gross value of time saved = Seats × Hours saved × Hourly cost × Adoption %. Net monthly benefit = Gross value − Monthly cost, and ROI = Net monthly benefit ÷ Monthly cost × 100. Two derived figures follow: cost per hour saved = Monthly cost ÷ total hours actually saved (the truest price of the tool), and payback = One-time setup cost ÷ Net monthly benefit, in months. If the net benefit is zero or negative, there is no payback — the page says so rather than printing a number that means nothing.
1. Count paid seats, not people who could theoretically use the tool, and use the real per-seat monthly price including tax if your plan charges it.
2. Estimate hours saved per person per month from evidence, not enthusiasm: time a few real tasks with and without the tool, or use the team's own before-and-after reports, and take the lower figure when in doubt.
3. Use a loaded hourly cost — salary plus employer taxes, benefits and overheads, divided by working hours — not the bare wage. For a rough figure, annual salary ÷ 1,800 hours is a common approximation.
4. If some seats sit idle, set the adoption percentage to the share of people who use the tool weekly. Then read the net benefit and the cost per hour saved before you read the ROI percentage — the percentage flatters small numbers.
A team of 10 pays $30 per seat: monthly cost is 10 × 30 = $300. Each person saves 5 hours a month at a loaded cost of $40 an hour, so the gross value is 10 × 5 × 40 = $2,000. Net monthly benefit: 2,000 − 300 = $1,700, an ROI of 1,700 ÷ 300 = about 567%. The tool's true price is 300 ÷ 50 total hours = $6 per hour saved, and a $1,000 one-time setup cost pays back in 1,000 ÷ 1,700 = about 0.6 months. Now stress-test it: if only half the seats are really used, set adoption to 50% — the value halves to $1,000, the net drops to $700, and the same subscription suddenly looks ordinary rather than miraculous. That sensitivity is the point of the exercise.
Saved time is only money if it goes somewhere. An hour saved that dissolves into a longer lunch saves nothing on paper. The value is real when the freed time is redeployed to work that would otherwise need more hours, more hires or outside help — or when it removes a bottleneck that was delaying revenue. Self-reported savings run high. People overestimate how much a liked tool helps and underestimate the time spent prompting, checking and fixing its output; count net time, after review and rework, not the stopwatch time of the first draft. Output quality is a cost too. Errors an AI introduces into client-facing work carry a price this calculator cannot see — if the tool's mistakes need a checker, the checker's time belongs in the hours figure as a negative. Treat any ROI above a few hundred percent as a prompt to re-measure, not as a fact: genuine returns that large usually mean the hours or the adoption estimate is doing the flattering.
A negative or thin result rarely means the tool is useless — it usually means the seats are misallocated. The common pattern is a small group of heavy users getting large value and a long tail of seats opened once. The fixes, in order: move idle seats to people with the repetitive writing, coding, research or support work the tool is demonstrably good at; drop to a smaller plan for a month and watch who complains (the complainers are your adoption figure, measured honestly); and re-run this calculator with the new seat count. Buying for the whole company on day one is a marketing outcome, not a productivity one.
What ROI should an AI subscription show to be worth keeping? There is no official threshold, but a useful rule: the net benefit should stay clearly positive under your pessimistic estimates — half the hours, realistic adoption — not just under the optimistic ones. If the case only works at the rosiest inputs, it does not work.
Should I use salary or billing rate for the hourly cost? Use the loaded cost of the hour (what the hour costs you) for an internal saving. Use the billing rate only if the saved hours are genuinely converted into additional billable work that clients pay for.
Does this work for a single freelancer? Yes — one seat, your own hours and your own hourly cost. Solo users often get the clearest answer, because they know exactly which tasks the tool touches and what the freed hour becomes.
Are my numbers uploaded? No. The calculation runs entirely in your browser — nothing you type here is sent anywhere.