Project Management & Labor Precision Calculator

Construction Labor Productivity & Gang Estimator

Estimate skilled mason man-days, helper ratios, gang crew sizes, and construction project duration.

Calculated 100% in your browser — zero data uploaded or stored externally.

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📐 Labor Productivity Equation

text{Man-Days} = frac{text{Total Work Quantity}}{text{Standard Daily Output per Worker}}; quad text{Duration (Days)} = leftlceil frac{text{Man-Days}}{text{Crew Headcount}} rightrceil

📘 Engineering Specifications & Method of Calculation

Resource management and manpower estimation tool for civil contractors, project planners, and estimators based on standard schedule of rates (CPWD/IS).

Standard Mason Daily Productivity Rates

An average mason and helper team executes approximately 1.25 m³ of brickwork, 10 m² of 12mm plastering, or 8 m² of floor tiling per standard 8-hour workday.

Frequently Asked Questions

What is the standard ratio of helpers to skilled masons?

In standard brickwork and plastering, the typical ratio is 1.25 to 1.5 helpers per skilled mason.