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FinOps Reference

FinOps Glossary

Plain-English definitions of cloud cost management terms — with real examples, practical context, and links to deeper guides. No filler, no jargon-as-definition.

17
// terms defined
4
// categories
2026
// last updated
// FinOps Fundamentals
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Making cloud costs visible to teams without internal billing
Chargeback
Actually billing teams for their cloud consumption via P&L transfer
Cost Allocation
Attributing cloud spend to the teams and products that generated it
Cloud Waste
Spending on resources that generate no business value — 28–35% of most bills
Rightsizing
Matching instance size to actual workload requirements
Forecasting
Predicting future cloud spend to set budgets and catch variance early
Anomaly Detection
Automated identification of spend spikes before they become month-end surprises
FinOps Maturity
How advanced your cloud financial management capability is
Unit Economics
Cost per transaction, per user, per request — connecting spend to business value
Cloud Cost Optimization
The systematic process of reducing cloud spend while maintaining reliability
// Cloud Pricing
Reserved Instances
1 or 3-year commitment for 30–66% discount vs on-demand pricing
Savings Plans
Flexible AWS commitment model applying discounts across services and regions
Spot Instances
Spare cloud capacity at 60–90% discount — interruptible with 2-minute notice
// Governance
Cloud Governance
Policies and guardrails that make cost accountability sustainable at scale
Tagging
Key-value metadata on cloud resources — the foundation of cost allocation
FinOps Team
The function that bridges engineering and finance for cloud cost management
Crawl, Walk, Run
The FinOps Foundation's three-stage maturity framework
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