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Desktop App

Qalculate!

A powerful desktop calculator for maths, units and currency conversions.

Visit Qalculate!4.6
  • Rating

    4.6 / 5

  • Pricing

    Free

  • Difficulty

    Intermediate

  • Works on

    Windows, Linux, Offline

Built with love by Shushant Lakhyani. Building bestproductivityresources.com

What is Qalculate!?

Qalculate! is a free, open-source calculator for Windows and Linux that understands everyday expressions as you type them. It handles unit and currency conversion, physical constants, symbolic maths, equation solving and plotting, which makes quick calculations and sanity checks much faster.

Third-party open-source projects. We are not affiliated with their authors; repositories are provided as-is by their maintainers. Review each project's license, code and security before installing. See our Disclaimer.

Pros: what Qalculate! does well

  • Understands natural expressions
  • Units and currencies built in
  • Free and open source

Cons: where it falls short

  • Mac version needs Homebrew or MacPorts
  • Many features to learn

Who Qalculate! is for

Students, engineers and analysts who do lots of quick calculations and conversions.

Who can skip it

People who only need basic arithmetic.

Qalculate! alternatives

Not sold on Qalculate!? These do a similar job, and each card says what it has in common.

ripgrep

Focus: search tool, command line and developer tool. Shares open source and github with Qalculate!. Adds macOS. Rated 4.8 (Qalculate!: 4.6).

Desktop AppFreemacOS, Windows

mpv

Focus: video player, media and subtitles. Shares open source and github with Qalculate!. Adds macOS. Rated 4.7 (Qalculate!: 4.6).

Desktop AppFreemacOS, Windows

MuseScore Studio

Focus: music notation, sheet music and composition. Shares open source and github with Qalculate!. Adds macOS. Rated 4.7 (Qalculate!: 4.6).

Desktop AppFreemacOS, Windows

Foliate

Focus: ebook reader, epub and annotations. Shares open source and github with Qalculate!. Same 4.6 rating.

Desktop AppFreeLinux, Offline

FreeCAD

Focus: 3d modeling, cad and engineering. Shares open source and github with Qalculate!. Adds macOS. Same 4.6 rating.

Desktop AppFreemacOS, Windows

hyperfine

Focus: benchmark, speed test and command line. Shares open source and github with Qalculate!. Adds macOS. Same 4.6 rating.

Desktop AppFreemacOS, Windows

Free alternatives to Qalculate!

Want to spend nothing? These free picks cover similar ground.

Kiwix

Focus: offline wikipedia, reference and offline reading. Shares open source and github with Qalculate!. Same 4.6 rating.

Desktop AppFreeWindows, Linux

Math is Fun

Focus: education, worksheets and puzzles. Shares maths with Qalculate!. A website, not a desktop app. Adds Web. Same 4.6 rating.

WebsiteFreeWeb

Miller

Focus: csv, json and data wrangling. Shares open source and github with Qalculate!. Adds macOS. Same 4.6 rating.

Desktop AppFreemacOS, Linux

pgcli

Focus: postgres, sql and terminal. Shares open source and github with Qalculate!. Adds macOS. Same 4.6 rating.

Desktop AppFreemacOS, Linux

Readest

Focus: ebook reader, epub and annotations. Shares open source and github with Qalculate!. Adds macOS, iOS and Android. Same 4.6 rating.

Desktop AppFreeWindows, macOS

Sioyek

Focus: pdf reader, research papers and keyboard. Shares open source and github with Qalculate!. Adds macOS. Same 4.6 rating.

Desktop AppFreeWindows, macOS
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