Arch Linux (recommended)

Screenshots & videos

About

KCalc has everything you would expect from a scientific calculator, plus: - Trigonometric functions, logic operations and statistical calculations - A results stack which enables convenient recall of previous calculation results - Precision is user-definable - The display allows cut and paste of numbers - The display colors and font are configurable, aiding usability - The use of key-bindings make it easy to use without a pointing device

Additional information

Project

Developer
KDE
License
GPL-2.0+ (free software)What this license lets you do
Languages
66 languages

Install

Available via
Flatpak · Snap (2) · Arch Linux (2) · Debian · Ubuntu · Fedora · openSUSE · Alpine Linux · Void Linux · Slackware · Solus · Gentoo · Nixpkgs
All 15 packagings

Flathub (Flatpak), Snap Store, Snap Store (Beta build), AUR (Git build), Debian, Ubuntu, Fedora, Arch Linux, Nixpkgs, openSUSE, Alpine Linux, Void Linux, Slackware, Solus, Gentoo (Candidate build)

About this data

Sources
20 independent sources agree
Catalog data as of
October 12, 2026
How each source lists it (15)
SourceNameVersionBuilt byLicenseDescription
Flathub (Flatpak)KCalc26.08.1—GPL-2.0+Scientific calculator
Snap StoreKCalc26.04.3—GPL-2.0+Scientific calculator
Snap Store (Beta build)KCalc26.04.3—GPL-2.0+Scientific calculator
AUR (Git build)kcalc-git24.04.70_r1876.g5bb8bab-1—GPL-2.0-or-later AND LGPL-2.0-or-laterScientific Calculator
Debiankcalc4:25.04.0-1Distribution build—simple and scientific calculator
Ubuntukcalc4:25.12.3-0ubuntu1Distribution build—simple and scientific calculator
Fedorakcalc26.08.1Distribution buildGPL-2.0-or-laterScientific Calculator
Arch Linuxkcalc26.08.2-1Distribution buildGPL-2.0-or-later AND LGPL-2.0-or-laterScientific Calculator
Nixpkgskcalc26.08.2Distribution buildBSD-3-Clause AND CC0-1.0 AND GPL-2.0-or-later AND MITCalculator offering everything a scientific calculator does, and more
openSUSEkcalc26.08.2Distribution buildGPL-2.0-or-laterScientific Calculator
Alpine Linuxkcalc26.04.2-r0Distribution buildGPL-2.0-or-laterScientific Calculator
Void Linuxkcalc26.08.1_1Distribution buildGPL-2.0-or-laterSimple and scientific calculator
Slackwarekcalc26.08.2-1Distribution build—kcalc (KDE calculator)
Soluskcalc25.08.2Distribution buildGPL-2.0-or-laterScientific calculator by KDE
Gentoo (Candidate build)kcalc26.08.2Distribution buildGPL-2.0-onlyKDE calculator

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