= SUM(mean * direction) Then final = nominal ± total tolerance.
Include nominal dimensions, upper tolerance, and lower tolerance. tolerance stack up calculator
| Part | Nominal Dimension | Tolerance | | --- | --- | --- | | A | 10.000 | ±0.005 | | B | 20.000 | ±0.010 | | C | 15.000 | ±0.007 | = SUM(mean * direction) Then final = nominal