One Point Proctor

One Point Proctor is a professional soil compaction calculator designed for accuracy, efficiency, and real-world field use. Built for geotechnical engineers, technicians, inspectors, and project managers, the app delivers fast, reliable, and repeatable compaction results with precision beyond traditional methods.

Whether working in the field or the lab, One Point Proctor helps you calculate, validate, and document compaction data with confidence.

Key Features

Advanced Proctor Calculations

Computes One Point Proctor values using refined algorithms

Provides higher accuracy compared to standard family curve methods

Ensures consistent and dependable results for compaction analysis

Oversize Correction

Automatically calculates corrected values for materials with oversized particles

Maintains compliance with industry practices and expectations

Sand Cone (Field Compaction)

Calculate dry density, moisture content, and field compaction percentage

Designed for fast and accurate field testing

Simplifies on-site density verification workflows

Smart Validation

Detects inconsistent or unrealistic inputs

Provides clear feedback to improve data accuracy

Reduces calculation errors and minimizes rework

Professional Results & Reporting

Clear, structured result presentation for all calculations

Ideal for field verification, lab testing, and QA/QC documentation

Helps standardize reporting across teams and projects

Built for Field and Lab Workflows

Clean, intuitive interface for fast data entry

Optimized for use on construction sites and in laboratories

Supports engineers, technicians, inspectors, and project managers

Subscription

The app includes a free trial period. After the trial ends, a subscription is required to continue accessing full features and calculations.

One Point Proctor provides accurate, efficient, and professional-grade compaction analysis—helping you make better decisions in the field and deliver reliable results every time.