GD&T True Position Calculator
GD&T

Symbols

True Position – Position Tolerance
Datum Feature
Profile of a Surface
Maximum Material Condition (MMC)
Flatness
Concentricity
Perpendicularity
Runout
Parallelism
Circularity
Straightness
Total Runout
Cylindricity
Feature Control Frame
Symmetry
Angularity
Least Material Condition (LMC)
Profile of a Line
GD&T Rule #1: Envelope Principle
Regardless of Feature Size
Unequally Disposed Profile
Independency
Envelope Requirement (E Symbol) – ISO Only
Datum Target
Continuous Feature
Projected Tolerance Zone
Free State Symbol
Restrained Condition Note
Tangent Plane
Counterbore
Spotface
Countersink
Diameter
Square
Radius
Controlled Radius
Spherical Radius
Spherical Diameter
Depth
Dimension Origin
Parting Line
Arc Length
Conical Taper
Slope
Multiple Identical Features