Welcome toSevenTaskCalculator

Calculate everything.
Move with clarity.

From everyday sums to business, money, science and conversions—your useful calculators, together in one calm workspace.

Open the calculator Play product tour

136+ focused calculators · Web, desktop and mobile experiences

136+calculator tools and modes

One workspacehistory, conversions and custom formulas

Made to fitweb, desktop, phone and tablet

Free, ready to use

Your calculator opens in its own window.

Work in a focused calculator, then duplicate it to keep another calculation open beside it.

SevenTask Calculator

136+ tools · history and undo · unit, date and currency conversions

Open calculator

One calculator · clear controls

Everything you need, right where you need it.

Follow the arrows to see what each control does. For the full guided walkthrough, play the product tour.

Video walkthrough

How to use SevenTask Calculator

See the calculator controls and workflow in a step-by-step video.

SevenTask on your devices

Start on the web. Take it with you.

Use the live web calculator now, download the available Windows package, or check release status for mobile stores.

Web calculator

Use in Chrome, Safari, Edge and install as a web app.

Open web app →

Windows desktop

Install SevenTask as a compact Windows app with independent calculator windows.

Download desktop app ↗

Android

Install SevenTask now as an Android web app. Google Play app is coming soon.

Google Play Store · Coming soonPWA · No Play Store listing needed

iPhone & iPad

SevenTask for iPhone and iPad, with a Home Screen quick-launch widget.

App Store · Coming soon

All downloads, install help & widgets ↗

Contact kawkabTECH LABS

We’d love to hear from you.

Report a bug, ask a question, suggest an improvement, or share feedback. Screenshots are welcome with bug reports.

Email our team[email protected]Gmail compose opens in a new tab · attach a screenshot if helpfulCompose email

Calculate everything.Move with clarity.