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CPI, SPI, EAC, ETC, VAC, and TCPI: the industry-standard metrics that tell you if your project will finish on budget and on time. Automatically computed from your actual project data.
Earned Value Analysis is the gold standard for measuring project cost and schedule performance. But in practice, most teams skip it because the calculations require careful integration of planned value, earned value, and actual cost data - which typically lives in three different spreadsheets. Milesto.io computes EVA automatically because all three data sources live in the same system: your schedule defines planned value, completed deliverables define earned value, and logged costs define actual cost. The result is real-time CPI, SPI, and forecasting without any manual calculation.
Cost Performance Index (CPI) and Schedule Performance Index (SPI) update in real time as you complete deliverables and log costs. CPI > 1.0 means under budget. SPI > 1.0 means ahead of schedule. No manual calculation needed.
Estimate at Completion (EAC) predicts your final project cost based on current spending trends. Estimate to Complete (ETC) shows how much more budget you need. These forecasts update automatically as your project progresses.
Cost Variance (CV) and Schedule Variance (SV) show exactly how much you are over or under budget, and ahead or behind schedule - in dollar terms, not just percentages.
To-Complete Performance Index tells you the cost efficiency you need to achieve for the remaining work to finish on budget. If TCPI > 1.0, you need to get more efficient. If TCPI < 1.0, you have budget headroom.
Your schedule defines the planned value curve. Milesto computes PV at any date based on weighted deliverable schedules - no need to manually build a BCWS curve in a spreadsheet.
All EVA calculations are performed by PostgreSQL triggers on the actual project data - not approximated by frontend formulas. The numbers are always consistent and auditable.
EVA requires integrating schedule data, progress data, and cost data - which typically live in three different systems.
Milesto is your schedule, progress tracker, and cost ledger in one. Planned value comes from your weighted schedule. Earned value comes from completed deliverables. Actual cost comes from logged costs. All three feed EVA automatically.
Most teams skip EVA entirely because the spreadsheet calculations are too time-consuming to maintain weekly.
EVA metrics are always current. They update every time a deliverable is completed or a cost is logged. Open the Financials tab and the numbers are there. Zero manual effort.
CPI and SPI are only useful if they are based on accurate progress data - but manual percent-complete entries are unreliable.
Progress in Milesto is binary: a deliverable is either done or not done. This eliminates the 90%-complete-forever problem. CPI and SPI are based on actually completed work, not optimistic estimates.
Explaining EVA metrics to stakeholders takes more time than computing them.
The Financials page shows each metric with a clear label and color coding (green = healthy, amber = warning, red = alert). Stakeholders see the health indicators without needing to understand the formulas.