ISO Fits and Tolerances Calculator (ISO 286) | Muhendis Portal

Calculate hole and shaft tolerance limits (H7, g6, etc.), clearances, interferences, and fit types according to ISO 286 standards.

Verified Engineering Calculation Engine

Engineered for mechanical, HVAC, piping, and design engineers in compliance with international standards (ISO, DIN, EN, ASME, ASHRAE). Load the interactive tool for real-time calculations and automated reports.

Frequently Asked Questions (FAQ)

What is an H7/g6 fit?

H7/g6 is a precision clearance fit with small clearance, widely used for machine parts requiring accurate guidance without noticeable play.