Portfolio Health Index
Compute a composite Portfolio Health Index combining average CPI, SPI and risk-burndown across the portfolio.
PHI = 100 × (0.4·CPI + 0.4·SPI + 0.2·RiskBurn) / 1.2Interpretation Guide
- 80 – 100Green.
- 60 – 79Amber.
- < 60Red.
Example
Average CPI 0.95, SPI 0.92, Risk 0.7 → PHI ≈ 74 (amber).
Real-world use cases
- PMO dashboards
- Steering committees
- Investment-board briefings
Common mistakes
- Averaging across projects of widely different sizes without weighting
Professional tips
- Weight by budget for an accurate portfolio view
Frequently asked questions
How is this different from PM Health Score?
Same maths, applied at portfolio level using averages.
What this tool does
Compute a composite Portfolio Health Index combining average CPI, SPI and risk-burndown across the portfolio.
It applies the standard formula PHI = 100 × (0.4·CPI + 0.4·SPI + 0.2·RiskBurn) / 1.2 so planners, schedulers and PMOs get a defensible number they can put in front of a steering committee.
Looking for the underlying terminology? Open the PM Glossary or the PM Cheat Sheet for quick references on EVM, scheduling and risk terms.
When to use it
- PMO dashboards
- Steering committees
- Investment-board briefings
Typical owners: project managers, planning engineers, project controls leads and PMO analysts running weekly or monthly performance reviews on EPC, infrastructure, IT and construction projects.
How to interpret the result
Treat the number as a signal, not a verdict. Read it together with the trend over the last 3–6 reporting periods, the critical-path status, and the risk register before you change the plan.
- Compare against the baseline, not against another project.
- Investigate the drivers behind the value before reporting it up.
- Pair it with at least one complementary KPI (cost, schedule, risk or quality).
Worked example
Average CPI 0.95, SPI 0.92, Risk 0.7 → PHI ≈ 74 (amber).
In a real project review, document the inputs, the resulting value, the interpretation, and the corrective action you committed to. That audit trail is what turns a calculator output into a controls decision.
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