ISO Fits & Tolerance Tools

Precision tools for engineers, machinists & CNC professionals

Simplify complex tolerance and fit calculations with a powerful all-in-one engineering toolkit. Whether you're working with ISO, ASME, or GOST standards, this app helps you calculate, select, and analyze fits with speed and accuracy.

KEY FEATURES Comprehensive Tolerance Reference

• Tolerance values for sizes from 1 mm to 10,000 mm
• Supports ISO 286, ASME B4.1 (ANSI), and GOST standards
• Quick lookup tables for real-world engineering use

Smart Tolerance Calculator

• Find suitable tolerances based on given deviations
• Get multiple tolerance options instantly
• Works across ISO and ASME systems

Fit Selection Made Easy

• Select shaft/hole fits based on size and deviation
• Automatically calculates:
• Clearance (gap)
• Interference (tightness)
• Perfect for design & manufacturing decisions

Advanced Engineering Tools

• Angle tolerance calculations
• Convert taper values to degrees, minutes, seconds
• Built-in triangle calculator

Tolerance Stack-Up Calculator

• Solve dimensional chains using max-min method
• Quickly determine closing dimensions
• All calculations are automatically saved

Casting Tolerances

• Tolerance values based on accuracy class & casting method
• Fully aligned with GOST standards

Shape Tolerances Reference

• Quick guide to geometric tolerances
• Based on ISO 1101 & GOST 2.308

Unit Converter

• Convert millimeters ↔ inches instantly

WHY THIS APP?

• Built for mechanical engineers, CNC programmers & designers
• Combines multiple standards in one place
• Saves time and reduces calculation errors
• Clean, fast, and easy-to-use interface

NOTE All information provided is for reference purposes only.

In-app purchase Details:

Lifetime Access for ads free version

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