Utilize our advanced True Position GD&T Tolerance Calculator to quickly determine the positional accuracy of features. Input nominal and measured coordinates to calculate the true position error, ensuring your parts meet crucial manufacturing specifications and GD&T standards.
Formula:
The True Position Error (TPE) is calculated based on the deviation from the nominal coordinates. For a 2D feature, the formula is:
TPE = 2 × √((Xmeasured - Xnominal)2 + (Ymeasured - Ynominal)2)
Where:
- Xnominal: The ideal or specified X-coordinate.
- Ynominal: The ideal or specified Y-coordinate.
- Xmeasured: The actual measured X-coordinate.
- Ymeasured: The actual measured Y-coordinate.
- For 3D features, a Z-component (Zmeasured - Znominal)2 is added inside the square root.
The calculated TPE is then compared against your specified True Position Tolerance (TPT) to determine if the part is within specifications.