136 calculators & modes
Everyday math, scientific, business, finance, date, time and measurement tools.
Welcome to SevenTask Calculator
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
The calculator
Start with the number in front of you.
Use it right here. Open the calculator in its own focused window whenever you want more room.
Calculator specifications
One workspace. More ways to calculate.
Purpose-built tools, with the flexibility to keep separate calculations open together.
Work side by side
Duplicate a calculator, then keep each calculation independent on the same screen.
Move and resize
Place each calculator where you need it and size it for the task.
History, undo & redo
Return to earlier work and recover the steps behind a result.
Conversions & currencies
Convert units and check available world-currency reference rates.
Private by default
Your calculation history stays stored in your browser on this device.
SevenTask Calculator25 × 481,200
AC±%÷789×456−123+0.=
Profit margin32.5%
Sale price₹1,480
Cost₹999
Independent calculation
Duplicate once. Keep both calculations open at the same time.
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
The desktop download will appear here after its public release.
Check desktop release status ↗Android
Native app source is ready; Play Store listing has not launched yet.
Get it on Google Play ↗Google Play · coming sooniPhone & iPad
Native app source is ready; App Store listing has not launched yet.
Download on the App Store ↗App Store · coming soon