User-defined scenario

Would a software project justify its cost?

Model implementation cost, recurring expenses, time saved, and break-even using explicit assumptions.

Start the free check How this works

Free result first. No email required. Your decision, not a sales score.

Custom Software ROI Calculator

Start with what you know.

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The method, in plain language

Know what the result can—and can’t—tell you.

What this looks at

Separate one-time investment from monthly benefits and running costs. You control every dollar and time assumption.

What to do with the result

Use break-even to decide what needs validation. Compare off-the-shelf products or process changes before committing to a build.

Limits and assumptions

Net monthly benefit = hours × hourly value + other savings − running costs. ROI = (net benefit over the period − project cost) ÷ project cost. With a zero project cost, percentage ROI is undefined.

Method reviewed 2026-09-29. This preliminary tool does not replace an individually scoped technical, security, financial, or professional assessment.

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