OFFLINE APP

Use the Calculators With No Signal

Install the app on your phone and save all 188 calculators. They keep working in basements, on remote sites and anywhere the signal drops.

1. Install the App

On Android, open this page in Chrome and use Install app or Add to Home screen from the menu (). On a computer, use the install icon in the address bar of Chrome or Edge.

2. Save All Calculators for Offline Use

Pages you open are saved automatically. To have every calculator ready before you go to site, save them all now (about 3 MB, best on Wi-Fi).

Checking what is saved on this device…

Saved on This Device

No calculators saved yet. Open a calculator or tap Save All above.