What does ISO fits and tolerances do?

ISO 286 fits and tolerances calculator: find hole/shaft limits, clearance and interference fits by tolerance grade.

How do I use ISO fits and tolerances?

Enter the nominal diameter and select the hole and shaft tolerance designations (e.g. H7/g6). The tool displays upper and lower deviations, fit type, and total allowance instantly.

Is ISO fits and tolerances free to use?

Yes. This ISO 286 fits and tolerances calculator is free and fully browser-based.

ISO fits and tolerances

Inputs

Diameter:

Fit Type:

Result

How Transition Is Calculated

Step-by-step derivation using ISO 286 limits.

Frequently Asked Questions

What does the ISO 286 Fits and Tolerances Calculator do?

It calculates ISO 286 hole and shaft tolerances and determines clearance, transition, or interference fit types for any nominal diameter.

How do I use it?

Enter nominal diameter and select hole and shaft tolerance codes. The calculator returns upper and lower deviations and identifies the fit type.

Is it free?

Yes. This Kod5 tool runs in the browser, requires no installation, and is free to use.