Unitto — calculator and unit converter icon

Unitto — calculator and unit converter

Sad Ellie
Science & Education Unit Convertor Tools
Version
Titanium yellow
Size
5.1 MB
Requires
Android API 23+
4.5 / 5 · 873 ratings 100,000 downloads

Updated Nov 2, 2026

Quick answer

Calculate and convert anything

Calculator, converter and more.

Look for Calculator on your home screen after installing the app.

Calculator • Home screen widget • Copy, paste, save and share expression results • Trigonometric functions • Fractional output • Optional Indian numbering system

Unit converter • 601 units • Currency converter (uses internet) • Home screen widget • Favorite units • Organize unit groups • Smart search algorithm

Date calculator • Add and subtract dates • Calculate difference • Create events in calendar

Time converter • Add to favorites • Add labels to time zones

Body mass index • Get instant and accurate results

Permissions and Data? Visit: https://github.com/sadellie/unitto/security/ Try web: https://sadellie.github.com/unitto/app

Screenshots

Unitto — calculator and unit converter screenshot 1
Unitto — calculator and unit converter screenshot 2
Unitto — calculator and unit converter screenshot 3
Unitto — calculator and unit converter screenshot 4
Unitto — calculator and unit converter screenshot 5

What’s new

How to install

  1. Download the APK from the button at the top of this page.
  2. Allow “Install unknown apps” for your browser or file manager only, not for every app.
  3. Open the downloaded file and confirm the installation.
  4. If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.

Data safety

  • Every file is checked against its published SHA-256 before it is listed.
  • Files are scanned for malware on every update.
  • The permissions each app requests are listed on its own page.
  • Read the full safety policy for how we test, flag, and delist files.

Frequently asked questions

What is Unitto — calculator and unit converter?
Calculate and convert anything
Who develops Unitto — calculator and unit converter?
Unitto — calculator and unit converter is developed by Sad Ellie.
Which Android version does Unitto — calculator and unit converter require?
Unitto — calculator and unit converter requires Android API 23 or later.
What is the current version of Unitto — calculator and unit converter?
The synchronized F-Droid version is Titanium yellow.
Which license does Unitto — calculator and unit converter use?
The signed F-Droid metadata lists GPL-3.0-only.
Where is the source code for Unitto — calculator and unit converter?
https://github.com/sadellie/unitto

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