Soil Compaction (Proctor) Test Calculator
Estimate optimum moisture content and maximum dry density to plan soil compaction for construction work.
Proctor Test Calculator
Results
Optimal Moisture Content
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Maximum Dry Density
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Frequently Asked Questions (FAQ)
What is the Proctor test?
The Proctor test is used to determine the optimal moisture content at which a soil will achieve its maximum dry density.
Why is soil compaction important?
Soil compaction increases the soil's strength and stability, reducing settlement and improving load-bearing capacity.
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
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Variables and units
- T = property tax (annual or monthly depending on input) (currency)
Sources (authoritative):
- NIST — Weights and measures — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/weights-and-measures - FTC — Consumer advice — consumer.ftc.gov · Accessed 2026-01-19
https://consumer.ftc.gov/
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
- Initial audit spec draft generated from HTML extraction (review required).
- Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
- Confirm sources are authoritative and relevant to the calculator methodology.