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Material Delta guide

Attach user-provided costs to quantity changes to estimate material cost impact.

Procurement, project controls, estimators, and PMsUpdated May 10, 2026

Common questions this answers

  • Is Material Delta the same as Price Delta?
  • Where do costs come from?
  • Can I use this for change order approval?

What Material Delta answers

Material Delta estimates cost impact caused by quantity changes in a revision: added cost, removed cost, and net material impact based on user-provided costs.

What it is not

It is not final accounting, change-order authorization, or contract enforcement. Costs should be reviewed before customer submission or approval.

Difference from Price Delta

Material Delta is quantity-driven. Price Delta compares price movement between pricing sources, even when quantities do not change.