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Engineering Tools

Precision EngineeringTools & Calculators

Professional-grade engineering tools and calculators for GD&T analysis, tolerance calculations, and quality control. Free tools designed for machinists, engineers, and quality professionals.

Available Tools

Professional Engineering Calculators

Free, accurate tools for precision manufacturing and quality control. Built by engineers, for engineers.

GD&T Analysis

True Position Calculator

Advanced GD&T true position calculator with MMC/LMC bonus tolerance calculations. Analyze position tolerances, calculate deviations, and visualize tolerance zones.

MMC/LMC bonus tolerance
Visual tolerance zone display
Real-time pass/fail analysis
Position deviation calculations
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Measurement

Surface Finish Converter

Convert between Ra, Rz, Rq, Rt surface finish parameters and units (μm, μin, nm). Professional tool for quality control and surface roughness analysis.

Multi-parameter conversion
Unit conversion (μm, μin, nm)
Parameter relationship estimates
Real-time calculations
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Coming Soon

More Tools in Development

We're continuously adding new engineering tools and calculators based on industry needs and user feedback.

Tolerance Analysis

Tolerance Stack Calculator

Calculate worst-case and statistical tolerance stacks

Coming Soon
Threading

Thread Calculator

Thread pitch, depth, and tolerance calculations

Coming Soon

Need a Custom Tool?

Have a specific engineering calculation or tool you'd like to see? Contact us with your suggestions and we'll consider adding it to our tool library.

Contact SupportTechnical Support