Free Engineering Calculators and Tools
Welcome to the Engineering Tools Page! This is your home for free, fast calculators across every engineering discipline. Build by engineers for the community, every tool is designed to solve a real problem to make your work easy, with nothing to install and no signup. Bookmark the ones you use and check back often, because new tools are added regularly.
Need a calculator we haven’t built yet? Tell us what you’re working on and we’ll consider adding it. Drop us an email at [email protected]
Electrical Engineering Tools
Solar and Renewable Energy Tools
Mechanical Engineering Tools
Civil Engineering Tools
Electronics Engineering Tools
Automobile Engineering Tools
Aviation Engineering Tools
Marine Engineering Tools
Manufacturing Engineering Tools
Computer Engineering Tools
Why Use Engineering Tools by Engineering World?
Engineering work comes down to getting the numbers right. Our calculators are built to solve the specific, everyday problems people run into at work. They are free, need no signup, and work on your phone, so you can use them on site, in class or at your desk. Always check results against the applicable code and your own judgment before final design.
Frequently Asked Questions
Are the tools free?
Yes. Every tool is free and needs no signup.
Who builds the tools?
The Engineering World team builds them, led by licensed engineers.
Can I rely on the results for professional work?
The tools are for guidance and learning. Always verify against the applicable code and your own engineering judgment before final design.
Which codes and standards do you use?
Each tool page states the code or standard it follows.
Can I request a new calculator?
Yes. Email us at [email protected].