How To Use Percentage Calculator

Overview

This all-in-one Percentage Calculator provides multiple tools for percentage calculations in a single, easy-to-use interface. It includes a standard percentage calculator, marks percentage calculator, and various utility features.

Main Features

1. Standard Percentage Calculator

Location: Left Panel

Functions Available:

• Find %: Calculate percentage of a number

  • *Example: 10% of 200 = 20*

• What %: Find what percentage one number is of another

  • *Example: 50 is what % of 200 = 25%*

• Increase %: Increase a number by percentage

  • *Example: Increase 200 by 10% = 220*

• Decrease %: Decrease a number by percentage

  • *Example: Decrease 200 by 10% = 180*

• Reverse %: Find original number from percentage

  • *Example: 40 is 20% of what? = 200*

2. Marks Percentage Calculator

Location: Right Panel

Function:

• Calculate percentage of marks obtained

• *Example: 425 marks out of 625 = 68%*

3. Theme Customization

Location: Top of Left Panel

Available Themes:

• 🌞 Light: Default light gradient theme

• 🌙 Dark: Dark mode for comfortable night use

• 💙 Blue: Calming blue gradient theme

• 💚 Green: Fresh green gradient theme

4. Auto Calculate Feature

Location: Below input fields in Left Panel

Function:

• Toggle switch to enable automatic calculation

• Updates results instantly as you type

• No need to click buttons repeatedly

5. Result Management Tools

Location: Center Panel

Available Actions:

• 📋 Copy: Copy result to clipboard

• ⬇ Download: Download result as text file

• 🔄 Reset: Clear all inputs and results

• 🖨 Print: Print the calculation result

• 📤 Share: Share result (browser-dependent)

6. History Tracking

Features:

• Percentage History: Tracks last 10 percentage calculations

• Marks History: Tracks last 10 marks calculations

• Clear Options: Individual clear buttons for each history

Step-by-Step Usage Guide

For Basic Percentage Calculations:

1. Enter Values:

   • Type your number in “Enter Number” field

   • Type percentage in “Enter Percentage” field

2. Choose Calculation Type:

   • Click appropriate button based on your need:

     • “Find %” for basic percentage

     • “What %” for percentage finding

     • “Increase %” for percentage increase

     • “Decrease %” for percentage decrease

     • “Reverse %” for reverse calculation

3. View Results:

   • Result appears in center panel

   • Calculation added to history

For Marks Percentage:

1. Enter Marks:

   • Type obtained marks in “Marks Obtained”

   • Type total marks in “Total Marks”

2. Calculate:

   • Click “Calculate Marks %” button

   • Result shows percentage with formula

Using Auto Calculate:

1. Toggle Switch:

   • Turn on “Auto Calculate” switch

   • Start typing in number/percentage fields

   • Results update automatically

Managing Results:

1. Copy: Click copy button to save result to clipboard

2. Download: Get result as downloadable text file

3. Print: Open print dialog for the result

4. Share: Use browser’s native sharing feature

5. Reset: Clear everything to start fresh

Changing Themes:

1. Click any theme button (Light, Dark, Blue, Green)

2. Interface updates instantly with new color scheme

Managing History:

1. View: Scroll through history lists

2. Clear: Use “Clear History” buttons to remove all entries

Tips for Best Experience

1. Use Auto Calculate for quick, repetitive calculations

2. Hover over buttons to see examples and tooltips

3. Try different themes to find your preferred visual style

4. Use history feature to track your calculations

5. Mobile friendly – works perfectly on phones and tablets

6. No internet required after loading – works offline

Browser Compatibility

• Works on all modern browsers (Chrome, Firefox, Safari, Edge)

• Mobile browsers supported

• Offline functionality available

This calculator is designed to be intuitive and user-friendly while providing powerful percentage calculation capabilities for students, professionals, and everyday use.