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software project roi calculator
Quick answer: A software or website project pays back when the net monthly value it creates (new revenue × margin, minus running cost) exceeds the build cost. Enter your numbers below to see payback period, 1-year ROI and 3-year net value in seconds.
Payback period
— months
Net monthly value: $—
1-year ROI—
3-year net value—
Break-even—
how this works
ROI here is simple and honest: net monthly value = (extra monthly revenue × gross margin) − monthly running cost. Payback = project cost ÷ net monthly value; 1-year ROI = (net × 12 − cost) ÷ cost. Good software projects typically pay back in 6–18 months; if yours doesn't, it's a signal to cut scope to an MVP first — which we can help you do.
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frequently asked questions
How do I estimate ROI before building?
Estimate the extra monthly revenue or cost-savings the software creates, apply your gross margin, subtract running costs, and divide the build cost by that net monthly value for payback.
What's a good payback period?
For custom software, 6-18 months is healthy. Anything under a year is strong; over two years, scope down to an MVP first.
What if the value is hard to quantify?
Model a conservative case and a likely case. Even a rough range tells you whether to proceed, phase, or rethink scope.
Can you help build the business case?
Yes - a free 30-minute call will help you scope an MVP that pays back fastest.
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