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Effective Average Compute Cost per Core

Rate Optimization

Definition

Average cost, after amortization of unused commitment discounts, of each Core per calendar month.

Formula, as published

(Effective Cost + Unused Commitment Discount Cost + Compute Cost) / Total number of Cores

Data sources:
CSP Billing Data

Calculate it

Example values to start with; replace them with yours.

Effective cost per core
$62.00 per core

Where this calculator differs: The published formula adds effective cost, unused commitment cost and compute cost. On most bills the compute cost is already inside the effective cost, so adding it again would count it twice; this calculator adds the first two only.

From the FinOps Foundation

All 88 FinOps KPIs, and a scorecard for your billing file

Definition and formula: Effective Average Compute Cost per Core, FinOps KPI library, FinOps Foundation, licensed CC BY 4.0, read 16 Oct 2026. Changed: HTML removed, dashes and British spellings changed, formula split from its data sources and examples. The calculator and the notes are Finitizer’s.

Measured once, a KPI is a number. Tracked daily, it is a practice.

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