All in One Calculator

Crystal Softonic

About this app

All-in-One Calculator

All-in-One Calculator brings together over 100 practical calculators and converters in one fast, modern, and easy-to-use app.

Whether you're solving everyday mathematics, calculating finances, converting units, managing engineering calculations, or working on education-related problems, All-in-One Calculator provides quick and reliable results using standard mathematical formulas.

Features

• Clean and modern interface
• Fast and lightweight performance
• Works offline for most calculators
• Dark and light themes
• Simple and intuitive navigation
• Organized calculator categories
• Accurate formula-based calculations
• No account required for core functionality

Calculator Categories
Basic Calculators

• Standard Calculator
• Scientific Calculator
• Percentage Calculator
• Discount Calculator
• Tip Calculator
• GST / VAT Calculator

Financial Calculation Tools

• EMI Calculator
• Loan Repayment Calculator
• Mortgage Calculator
• Simple Interest Calculator
• Compound Interest Calculator
• Savings Calculator
• Investment Return Calculator
• ROI Calculator
• Profit & Loss Calculator
• Currency Converter

Financial calculators perform mathematical calculations only. Results are estimates based on the values entered and should not be considered financial, banking, lending, investment or tax advice.

Unit Converters

• Length
• Weight
• Area
• Volume
• Temperature
• Speed
• Pressure
• Energy
• Time
• Data Storage
• Fuel Economy
• Power

Date & Time

• Age Calculator
• Date Difference Calculator
• Time Duration Calculator
• Countdown Calculator

Engineering & Construction

• Ohm's Law Calculator
• Electrical Power Calculator
• Concrete Calculator
• Paint Calculator
• Tile Calculator
• Flooring Calculator

Engineering and construction calculations are estimates based on user-entered values. Always verify important measurements before practical use.

Education

• GPA Calculator
• CGPA Calculator
• Percentage Calculator

Everyday Utilities

• Fuel Cost Calculator
• Split Bill Calculator
• Cooking Measurement Converter
• Fuel Mileage Calculator

Designed for Everyday Use

All-in-One Calculator is designed for students, teachers, engineers, business professionals, shoppers, travelers, homeowners, and anyone who needs reliable calculation tools in one application.

Simply enter your values, select the calculator you need, and receive results instantly.

Additional calculators, converters, and improvements will continue to be added in future updates.

What’s new

Version 3.0
What's New

• Removed health-related calculators to simplify the app experience.
• Improved calculator organization and navigation.
• Updated calculator categories and search.
• Improved performance and stability.
• Enhanced user interface consistency.
• Refined calculator result presentation.
• Improved offline reliability.
• Fixed various bugs and minor issues.
• General performance optimizations.