A simple, elegant, and ad-free calculator and unit converter app for Android
LapisCalc is a versatile Android application that combines the functionality of a complete calculator with an advanced unit converter. Designed with a modern interface inspired by Material Design 3, it offers a smooth and intuitive user experience, completely ad-free.
Available now on Google Play Store - Free and Ad-free
| Standard Calculator | Unit Converter | Date Calculator |
|---|---|---|
 |
 |
 |
- Standard Calculator: Basic arithmetic operations (addition, subtraction, multiplication, division)
- Date Calculator: Calculate durations between dates, add/subtract days
- Calculation History: Keep track of previous operations (up to 100 calculations)
- Angle: Degrees, radians, gradians
- Area: Square meters, hectares, acres, and more
- Data: Bytes, KB, MB, GB, TB, and binary units
- Energy: Joules, calories, kWh, BTU
- Length: Meters, kilometers, miles, feet, inches
- Mass: Kilograms, grams, pounds, ounces
- Power: Watts, horsepower, BTU/h
- Pressure: Pascals, bars, atmospheres, PSI
- Temperature: Celsius, Fahrenheit, Kelvin
- Time: Seconds, minutes, hours, days, years
- Speed: m/s, km/h, mph, knots
- Volume: Liters, gallons, cubic meters, cups
- Tip Calculator: Tip calculator with customizable percentages
- Material Design 3
- Automatic dark/light theme support
- Multi-language support (Italian, English, Spanish, French, Romanian)
- Responsive interface for different screen formats
- Custom Manrope font for better readability
- Framework: Flutter 3.0+
- Language: Dart
- Design: Material Design 3
- State Management: Provider
- Localization: Flutter Intl
- Persistence: SharedPreferences
LapisCalc is based on MintCalc by boredcodebyk. This repository is an independent project with improvements and additional features, derived from the original MintCalc.
This project is distributed under the GNU General Public License v3.0. See the LICENSE file for complete details.
Version: 1.2.0
To see recent changes, check the CHANGELOG in the metadata directory.