Bug Cost Calculator
The famous rule: bugs found late cost ~30× more.
Result
Fix cost at this stage£5,400.00
Support/churn impact£2,500.00
Same bug in dev£180.00
Multiplier30× vs dev
Bug Cost Calculator — FAQs
Cost multiplier for production bugs?
IBM's classic study: 1× in dev, ~5× in testing, ~15× in staging, ~30× in production — plus support tickets and churn on top.
How do teams reduce bug cost?
Shift left — unit tests, code review and CI catch defects at the cheapest stage. Production bugs are the most expensive by ~30×.
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