Free loans & equipment tool
Equipment ROI Calculator: Laser and Device Payback
Equipment ROI is the net gain from a device divided by what it cost: ROI = (contribution − device cost − interest) ÷ device cost. Contribution is treatments × margin per treatment, minus monthly overhead. A $120,000 laser with a $301.50 margin and 30 treatments a month pays back in 19 months and returns about 115% over 36 months in the default example. Enter your own numbers below.
Prepared by Prospyr · Reviewed October 3, 2026 · Free, no sign-up, runs in your browser
Equipment ROI calculator
Enter the device cost, your price and costs per treatment, and how fast volume builds. The defaults describe a $120,000 laser and are placeholders, not benchmarks.
Device and financing
Per treatment
Tips, cartridges, gel, drapes.
Volume and overhead
Volume rises in a straight line from month 1 to this month.
Service contract, insurance, device-specific marketing.
Payback: contribution covers the device and interest
19months
ROI over 36 months
115%
$137,668 net gain
Margin per treatment
$301.50
67% of price
Break-even volume
10 / mo
covers overhead and loan
Steady monthly cash
$6,055
after loan payment
Down payment $12,000, loan payment $2,189.85/mo, interest paid in the window $19,253.
A planning model from your own inputs, not a forecast. It leaves out taxes, depreciation, resale value, marketing to fill the schedule and any cannibalization of other services.
Year by year
| Year | Treatments | Contribution | Loan paid | Net return |
|---|---|---|---|---|
| 1 | 294 | $79,041 | $26,278 | -$48,938 |
| 2 | 360 | $98,940 | $26,278 | $43,543 |
| 3 | 360 | $98,940 | $26,278 | $137,668 |
Contribution is treatment margin minus device overhead, before the loan. Net return is cumulative contribution minus the device cost and interest paid, so it starts at minus the device cost and the payback month is where it reaches zero.
Equipment ROI formula and payback
Three numbers drive the result:
- Margin per treatment = price × (1 − card fee) − consumables − provider and staff time.
- Monthly contribution = treatments × margin − device overhead (service contract, insurance, device-specific marketing).
- Net return = running total of contribution − device cost − interest paid. Payback is the first month it reaches zero. ROI is net return ÷ device cost at the end of your window.
Because the ROI window is your choice, always state it: 115% over 36 months is a different claim from 115% over 5 years. Peer-reviewed analyses of medical equipment purchases use the same measures, ROI and payback among them, to compare how to acquire a device.
Worked example: a $120,000 laser
A practice finances a $120,000 laser with 10% down and an 8%, 60-month loan. It charges $450 per treatment, spends $45 on consumables and $90 on provider time, and pays a 3% card fee. Volume starts at 8 treatments in month 1 and rises evenly to 30 by month 6. Device overhead is $800 a month.
| Step | Math | Result |
|---|---|---|
| Margin per treatment | 450 × 0.97 − 45 − 90 | $301.50 (67% of price) |
| Loan payment | $108,000, 8%, 60 months | $2,189.85 |
| Break-even volume | (800 + 2,189.85) ÷ 301.50 | 9.9, so 10 a month |
| Steady monthly cash | 30 × 301.50 − 800 − 2,189.85 | $6,055 |
| Contribution over 36 months | ramp plus 30 a month | $276,921 |
| ROI over 36 months | (276,921 − 120,000 − 19,253) ÷ 120,000 | 115% |
| Payback | net return reaches $0 | Month 19 |
Now drop steady volume to 12 treatments a month. The device still clears break-even volume, but payback moves to month 52 and a 36-month ROI turns negative at about −35%. That is why the calculator asks for a ramp and a look-ahead window rather than one flat number.
These defaults are placeholders, not benchmarks. Use your own price, costs and schedule.
What to enter for per-treatment costs and volume
Price: what the patient actually pays on average, after package discounts and membership pricing. Consumables: tips, cartridges, gel, drapes and anything thrown away each visit. Provider and staff time: the loaded cost of the minutes the treatment takes, including room turnover. If you are unsure, use the nurse injector pay calculator to turn a salary into a cost per hour.
Volume: use the number of treatments you can fill, not the number the machine could perform. Rooms, provider hours and marketing set the ceiling. If the device is sold through memberships or packages, the memberships page shows how recurring plans can smooth the ramp.
Pair the ROI with the financing decision
Payback tells you whether the device earns its keep. The financing choice decides how much of that earnings you keep. Run the quotes through the lease vs buy calculator and see the full payment schedule in the loan amortization calculator. After the device is in use, Prospyr's analytics shows actual treatments, revenue and utilization so you can compare them with the plan.
Frequently asked questions
How do I calculate ROI on a laser or other device?
Work out the margin per treatment (price minus card fees, consumables and provider time), multiply by treatments per month, subtract monthly overhead, and add it up over a set period. Then ROI = (total contribution − device cost − interest) ÷ device cost. With a 36-month window, the default laser example earns $276,921 against a $120,000 device and $19,253 of interest, for a net gain of $137,668 (115%).
What is a good payback period for aesthetic equipment?
There is no single benchmark, because it depends on price, volume and financing. A shorter payback means less time carrying risk, and many owners want a payback well inside the financing term and the device's useful life. Compare payback with your loan or lease term and test a low-volume case before you buy.
How many treatments a month do I need to break even?
Divide monthly overhead plus the loan payment by the margin per treatment. In the default example, $800 overhead plus a $2,190 loan payment is $2,990, and at $301.50 a treatment that takes 10 treatments a month. The calculator rounds up and shows the number for your inputs.
Why does volume ramp matter?
A new device rarely hits full volume in month 1. Patients need to hear about it, providers need training and the schedule needs time to fill. A ramp spreads the climb from your month-1 volume to your steady volume, which pushes payback later than a flat-volume estimate does. Set the ramp months to 0 if you want a flat assumption.
Should provider time count as a cost?
Yes if the provider's time has another use or you pay for it per treatment, such as a technician or a commission. Leave it at 0 only if the time is already covered and would be spent anyway. Counting it gives a margin you can compare with other services on the menu.
Does this include depreciation, taxes or resale value?
No. It uses cash margin per treatment, so it leaves out depreciation, income tax and what the device could sell for. That keeps it simple and slightly conservative on resale. For a tax-aware comparison of financing choices, use the lease vs buy calculator.
Can I use this for equipment other than lasers?
Yes. Any device that produces a billable treatment fits: body contouring, microneedling, hair removal, IV equipment, even a new chair. Enter price per treatment, per-treatment costs and monthly volume. It does not suit equipment that only saves time, which has no per-treatment revenue to enter.
Sources and scope
- Tanchuco JJQ, Garcia FB. Mechanical Ventilator Acquisition Strategy in a Large Private Tertiary Medical Center Using Monte Carlo Simulation. Acta Med Philipp, 2025 (PMC11936771)
Peer-reviewed. Evaluates purchase, installment and rental of medical equipment using ROI, IRR, MIRR, NPV and payback (breakeven) period.
- CFPB: How does paying down a mortgage work? (amortization explained)
Explains the level-payment split between interest and principal used for the loan portion.
A planning model from your own inputs, not a forecast or financial advice. It excludes taxes, depreciation, resale value and the cost of filling the schedule.