True Position Calculator

Inputs

View results
Measured X distance of the feature axis from its true (nominal) position.
mm
Measured Y distance from true position.
mm
The position tolerance from the feature control frame (a diameter).
mm
Apply maximum material condition (MMC) bonus tolerance for a hole (internal) or pin (external) feature.

Results

Default result
Edit inputs
True position(TP)
0.2828mm
Pass

Within tolerance.

Diameter of the tolerance zone the feature needs.

Also computed

MMC bonus tolerance0mm

Allowed (tol + bonus)0.3mm

Method notes 2 notes
  • True position Ø = 2 × √(ΔX² + ΔY²): the deviation is a radius, so the zone is a diameter.
  • Pass when the true position diameter is within the allowed tolerance (position tolerance plus any MMC bonus).

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