Engineering on ForgeKit
These pages are only engineering tools. Colour, ads and related links stay in this workshop so a weight calculator never sits next to a QR generator as if they were the same product.
Engineering
Machinists, fabricators, students
Engineering tools
Professional engineering calculators for material weight, unit conversion, metric and imperial threads, tap drills, and ISO tolerances. Built for machinists, fabricators, students and design engineers.
Calculate weight
Material Weight Calculator
Steel, aluminium, copper, plastics and custom densities
Calculate weight →Convert units
All-in-One Unit Converter
Length, pressure, torque, temperature, data and more
Convert units →Look up tap drill
Thread & Tap Drill Calculator
Metric, UNC, UNF, UNEF, BSW and BSF tap drills
Look up tap drill →Check ISO fit
Tolerance Calculator
Limits, fits and ISO 286 deviations
Check ISO fit →Other workshops
Leave Engineering if you need a different kind of tool.