Practice Technology ROI Calculator
Revenue from technology investment in digital dentistry.
About this calculator
Monthly Net Cash Flow sums three benefit streams -- new-procedure profit, efficiency value from freed chairtime, and outsourcing savings -- then subtracts monthly maintenance and any financing payment. At this calculator's default settings (no financing), Time Saved per Day feeds the largest of the three benefit terms and raising it always raises Monthly Net Cash Flow; that ranking can shift, though, once Monthly Financing is switched on, since a large monthly loan or lease payment then becomes the single biggest line item working against the benefit side. Equipment Cost, Install + Training Cost, and Discount Rate all play zero role in Monthly Net Cash Flow itself -- they only enter the Payback Period, 5-Year NPV, and 5-Year ROI calculations, which look at the investment side of the ledger rather than the recurring monthly operating impact.
This split matters because a piece of equipment can show a healthy Monthly Net Cash Flow (strong ongoing benefit relative to ongoing cost) while still having a long Payback Period if the upfront Equipment Cost and Install + Training Cost are large, or a favorable 5-Year NPV can mask a weak early Monthly Net Cash Flow -- this calculator does not model benefit growth, holding all monthly figures constant across the 5-year projection instead. New Procedures per Month raises Monthly Net Cash Flow directly through the new-procedure profit term, the same way Time Saved per Day raises it through the efficiency term.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Monthly net cash flow ($)
$5,400.00
Payback period (months)
11
How to Use This Calculator
- Enter Equipment Cost, Install + Training Cost, and Monthly Financing Payment.
- Input New Procedures per Month enabled by the technology and Average Procedure Revenue.
- Set Efficiency Gain (min/day saved) and Chairtime Value ($/min) to quantify time savings.
- Enter Monthly Maintenance to capture ongoing operational costs.
- Review Net Monthly Benefit, Payback Period, and 5-Year ROI to support the investment decision.
How the result changes with Time saved per day (min)
| Time saved per day (min) | Monthly net cash flow ($) | Payback period (months) |
|---|---|---|
| 15 | $3,825.00 | 15 |
| 23 | $4,665.00 | 12 |
| 45 | $6,975.00 | 8 |
| 75 | $10,125.00 | 6 |
What each input means
- Equipment cost ($)
- Purchase price for the technology (scanner, CBCT, CAD/CAM, 3D printer, laser, etc.).
- Install + training ($)
- Installation, integration, and staff training costs.
- Monthly financing ($)
- Monthly loan/lease payment (0 if paid in full upfront).
- Monthly maintenance ($)
- Monthly service contract, software subscription, consumables.
- New procedures/month
- Additional procedures enabled by the technology per month.
- Avg procedure revenue ($)
- Average revenue per new procedure enabled.
- Avg procedure cost ($)
- Variable cost per new procedure (materials, lab, supplies).
- Time saved per day (min)
- Minutes of chairtime/staff time saved daily through efficiency.
- Chairtime value ($/min)
- Dollar value per minute of freed chairtime.
- Outsourcing savings ($/mo)
- Monthly savings from bringing work in-house (lab fees, imaging referrals, etc.).
- Discount rate (%)
- Annual discount rate for NPV calculation (cost of capital).
What each result means
- Total initial investment ($)
- Equipment + installation + training.
- Monthly net cash flow ($)
- Monthly benefit minus monthly costs.
- Annual net cash flow ($)
- Annual net positive impact.
- Annual new revenue ($)
- New procedure revenue enabled by the technology.
- Monthly gross benefit ($)
- Total monthly value from new procedures, efficiency, and savings.
- Monthly ongoing costs ($)
- Maintenance + financing payments.
- Payback period (months)
- Months until investment is recouped (0 = never at current volume).
- 5-year NPV ($)
- Net present value over 5 years (positive = good investment).
- 5-year ROI (%)
- Return on investment over 5 years.
- Break-even procedures/day
- Minimum new procedures per day needed to break even.
How this is calculated
Worked example, using the default values
- Identify Input Parameters11 parametersEquipment cost ($) = 50000, Install + training ($) = 5000, Monthly financing ($) = 0, Monthly maintenance ($) = 150, New procedures/month = 8, Avg procedure revenue ($) = 350, Avg procedure cost ($) = 100, Time saved per day (min) = 30, Chairtime value ($/min) = 5, Outsourcing savings ($/mo) = 400, Discount rate (%) = 8 = 11 input(s) provided
- Calculate Monthly net cash flowMonthly net cash flow = monthlyGrossBenefit - monthlyCosts5400 = $5,400
- Calculate Payback period11 = 11
- Calculate Total initial investmentTotal initial investment = equipmentCost + installTrainingCost55000 = $55,000
- Calculate Annual net cash flowAnnual net cash flow = monthlyNetCashFlow * 1264800 = $64,800
Engine last updated . Checked against 1 independently-derived test — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.
Frequently Asked Questions
Why does Equipment Cost not appear in Monthly Net Cash Flow?
Monthly Net Cash Flow only totals the recurring monthly benefits (new-procedure profit, efficiency value, outsourcing savings) minus recurring monthly costs (maintenance and any financing payment) -- it is a snapshot of ongoing operating economics, not the investment itself. Equipment Cost enters the Payback Period, 5-Year NPV, and 5-Year ROI calculations instead, where the upfront investment is weighed against the accumulated benefit over time.
Which benefit stream has the biggest effect on Monthly Net Cash Flow -- new procedures, efficiency, or outsourcing savings?
At this calculator's default inputs, the efficiency benefit (Time Saved per Day multiplied by working days and Chairtime Value per Minute) produces the largest dollar contribution of the three benefit terms, so a percentage change to Time Saved per Day tends to move Monthly Net Cash Flow more than an equal percentage change to New Procedures per Month or Outsourcing Savings. Which term dominates can shift for a different technology purchase with a different mix of default assumptions.
Does the 5-year projection assume benefits grow over time?
No -- the calculator holds Monthly Net Cash Flow constant across all 60 months of the 5-Year NPV and 5-Year ROI calculations, applying only a discount rate to account for the time value of money rather than modeling procedure volume or efficiency gains that grow, decline, or plateau. A practice expecting new-procedure volume to ramp up gradually rather than start at full pace immediately should treat the 5-year figures as a simplified estimate.
Why might a technology purchase show a positive Monthly Net Cash Flow but a long Payback Period?
Monthly Net Cash Flow and Payback Period answer different questions -- Monthly Net Cash Flow measures whether ongoing monthly benefits exceed ongoing monthly costs, while Payback Period measures how long it takes for accumulated net cash flow to recover the upfront Equipment Cost and Install + Training Cost. A technology with strong monthly economics but a very high purchase price can still take many months to pay back even though every individual month is cash-flow positive.
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