General Tolerances (ISO 2768 / ISO 13920)

Read the general tolerance for a dimension from the standard.

Choose the standard and class, enter the nominal size, get the plus/minus band and the limits.

Linear dimensions only; angles, straightness, flatness and form are separate tables.

ISO 2768-1 covers 0.5 to 4 000 mm; ISO 13920 covers 2 mm and up.

Reference snapshot: confirm the class and values against the current edition and the contract specification.