My engineering toolbox.

Save the tools you use most and jump back into recent calculations. Everything is stored privately in this browser — no account required.

Favourites

Saved tools.

Pick up where you left off

Calculation history

Keep useful results on this device and reopen the original tool when you need it.

Your favourites and recent tools stay on this device using browser storage. Imperametric does not require an account for this feature.

Workshop shortcut

Add the toolbox to your phone or desktop for faster access to saved tools and offline-ready core pages.

If the install button is unavailable, use your browser menu and choose Add to Home Screen / Install app.