SurvivalCalc — The Smart Way to Calculate
More than a calculator. A complete calculation toolkit for your desktop.
🧮 Standard Calculator
Fast, real-time arithmetic with full keyboard support. Backspace, percentage, sign toggle — all just one keypress away. Your last 3 results are always visible.
📐 Geometry
Built-in formulas for areas and volumes — squares, circles, cylinders, spheres, cones, tetrahedrons and more. Supports mm, cm, m, and km with automatic conversion.
⚡ Electricity
Calculate voltage, current, resistance and power using Ohm’s Law. Supports mV, V, kV, mA, A, Ω, kΩ, W, kW and more — with automatic unit conversion.
A Smarter Workflow
🕘 Calculation History
Your last calculations are always visible below the display. Stored locally in a SQLite database — private and always available.
🎯 Adjustable Rounding
Set the exact number of decimal places you need — from zero to highly precise. Toggle rounding on or off at any time.
⌨️ Full Keyboard Support
Every function is accessible from your keyboard. Enter, Escape, Backspace — no mouse required.
🌙 Dark Mode
Easy on the eyes during long sessions. Switch between light and dark mode with a single click.
🌍 English & German
Fully available in both languages. Switch instantly from the settings menu — the entire interface updates immediately.
💾 Persistent Settings
Theme, language, rounding and units are saved automatically. Your workflow stays consistent every time you launch the app.
Lightweight & Compatible
| Operating System | Windows 7 or later |
| RAM Usage | ~20 MB |
| Disk Space | ~25 MB |
| Internet | Required for installation only |
SurvivalCalc runs smoothly even on older hardware. No bloated dependencies, no background services — just install and use.
Free & Open Source
SurvivalCalc is completely free to download and use. The source code is openly available — inspect it, learn from it, or contribute to its development. Developed by Survivalful with a focus on reliability, simplicity, and continuous improvement.
Download SurvivalCalc Today
Stop switching between tools. SurvivalCalc brings calculations, geometry, and electrical formulas together in one free desktop app.