Web calculator
Use in Chrome, Safari, Edge and install as a web app.
Open web app →Welcome toSevenTaskCalculator
Calculate everything.
Move with clarity.
From everyday sums to business, money, science and conversions—your useful calculators, together in one calm workspace.
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
Real SevenTask Calculator · Same tools and controls
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.
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.
Windows desktop
Install SevenTask as a compact Windows app with independent calculator windows.
Download desktop app ↗Android
SevenTask for Android with a home-screen calculator widget.
Google Play Store · Coming sooniPhone & iPad
SevenTask for iPhone and iPad, with a Home Screen quick-launch widget.
App Store · Coming soonContact 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.