Federal glossary · Metric
CAS (Cost Accounting Standards) are 19 standards governing how contractors measure, assign, and allocate costs to government contracts. Full CAS applies to contracts over $50M; modified CAS for contracts over $7.5M.
Example: The Simplified Acquisition Threshold or a fiscal-year budget measure.
Reference record · Sources: OMB budget guidance · Verified Jul 2, 2026 · Covers definition, governing source
Cost Accounting Standards
Also known as
CAS (Cost Accounting Standards) are 19 standards governing how contractors measure, assign, and allocate costs to government contracts. Full CAS applies to contracts over $50M; modified CAS for contracts over $7.5M.
(Cost Accounting Standards) is a metric concept federal contractors and grant writers run into across solicitations, regulations, and award filings
CAS is a measurement used in federal contract evaluation, source selection, oversight, or performance management. For example: Example: The Simplified Acquisition Threshold or a fiscal-year budget measure. Understanding CAS matters because evaluators use metrics like it to compare proposals quantitatively, score past performance, set award-fee outcomes, and decide who gets the next option year. Contractors who track how CAS is calculated — and what target values look like in their NAICS or service area — write proposals that are concrete and defensible instead of generic and easily dismissed. CAS also has implications for contract administration: getting the calculation methodology wrong post-award is a common source of disputes and contracting-officer modifications. Pair CAS with the related metrics above to see how the federal government composes evaluation criteria into source-selection narratives.
Example: The Simplified Acquisition Threshold or a fiscal-year budget measure.
Meaning in practice
CAS is a measure used to score, compare, or track government activity.
Where you’ll see it
You will see it in evaluation criteria, dashboards, scorecards, reports, and oversight reviews. Example: Example: The Simplified Acquisition Threshold or a fiscal-year budget measure..
Common confusion
People often confuse the metric with the threshold or decision rule attached to it.
What to do next
Check how the metric is calculated before you compare records or opportunities.
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Get notified when usage of CAS changes in contracts or guidance.
Search active federal contracts and solicitations related to CAS on Bureauify.
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