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- True Position calculator with live inspection target - RFS, MMC and LMC material condition modifiers - Automatic bonus tolerance calculation - Instant PASS / FAIL verdict - Imperial (inch) and Metric (mm) with instant conversion - Visual tolerance zone with deviation point on target
GD&T calculator with MMC LMC RFS modifiers. PASS/FAIL CNC machinist & CMM tool.
A professional GD&T True Position calculator designed for CNC operators, CMM programmers, and QC inspectors on the shop floor. Enter your basic dimensions, actual measured coordinates, and geometric tolerance — get an instant PASS / FAIL result with a live visual inspection target. Key Engineering Features: ✔ True Position formula: 2 × √(ΔX² + ΔY²) ✔ MMC bonus tolerance (hole grows → bonus grows) ✔ LMC bonus tolerance (hole shrinks → bonus grows) ✔ RFS mode — no bonus, pure geometric tolerance ✔ Imperial (inches) ↔ Metric (mm) with instant value conversion ✔ Animated inspection target with tolerance zone overlay ✔ Feature size validation with out-of-limits warning Designed for greasy hands and bright shop floor lighting. Features large input fields, rapid-fire data entry, and a high-contrast dark UI. Stop guessing your position tolerance and manual trigonometry. Whether you are working with ASME Y14.5 or ISO 1101 standards, this GD&T calculator eliminates calculation bottlenecks. Download the ultimate QC machinist tool today and upgrade your CNC inspection toolkit!