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#testing#automation#roi

How to measure the ROI of test automation

A simple formula to justify (or stop) the investment in test automation, and the 4 indicators that actually get measured after implementation.

Qualis Team
Editorial team
1 min read

The basic formula

ROI = (Benefit - Investment) / Investment

The problem is that almost no one measures the numerator well. The real benefits of test automation are:

  1. Reduced testing time per release
  2. Bugs avoided in production (each bug in prod costs 10x to 100x more than one caught in QA)
  3. More frequent releases (more opportunities to generate value)
  4. Team hours freed up for exploratory testing

The 4 indicators we measure

After rolling out test automation with a client, we look at:

  • Total regression time (target: -40% in 3 months)
  • Bugs escaped to production (target: -70%)
  • Release cadence (target: 2-3x)
  • % coverage of critical flows (target: >80%)

When ROI does not show up

If your product changes 100% every quarter, automated tests break faster than they add value. In that case, keep manual + automated tests only on the most stable surface (login, payments, integrations).

Next steps

If you want us to estimate the expected ROI for your case, book a 20-minute demo.

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