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What's in the App
True Position Calculator
Easily calculate positional deviations and bonus tolerances to determine conformance. Input envelope size measurements to also calculate bonus tolerances and their affect of conformance results.
GD&T Resources
Jump to our library of free GD&T blog articles and training to help during difficult decisions. Our articles and videos dive deep into difficult topics and topics not typically covered in formal training.
GD&T Symbols Page
Pull up information about the 14 GD&T symbols and other foundational concepts of GD&T. Use this page when ever you come across a symbol that you havent seen before or have forgotten its interpretation.