Proctor Density
Laboratory reference for soil compaction (ASTM D698 standard / D1557 modified). Field compaction is specified as a percentage of it — 95% Standard Proctor is the common spec for structural fill placed in 6–8 inch lifts.
Where this appears in real estimates
This term isn't trivia — it's a working variable. These tools use it directly:
- compaction estimate tool — Compacted volume from loose material and target density percentage.…
- fill dirt estimate tool — Cubic yards and tons of fill dirt for grading, holes and elevation changes.…
Go deeper
- Laminate vs Luxury Vinyl Plank — head-to-head decision guide
- Full Lawn Renovation — full project walkthrough
- Deck Cost in New York — local pricing & climate
- Read the field guide on the blog — practitioner-level detail
- Related engineering article — from our licensed engineer
Reviewed: · Part of the CalculatorAsphalt Construction Glossary · Sources: see methodology & standards.