Percentage Calculator

Powerful tool for all your percentage calculations

Basic
% of Number
% Increase/Decrease
Discount
Tax
Tip
Basic Percentage Calculator
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⏱ Calculation History

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About Percentage Calculator

Our percentage calculator is a powerful tool designed to simplify all your percentage-related calculations. Whether you’re calculating discounts while shopping, figuring out tax amounts, determining tips at restaurants, or analyzing percentage changes in data, this calculator offers a comprehensive solution with multiple specialized calculators in one intuitive interface.

Built for Indian users, this calculator uses the Indian Rupee (₹) symbol throughout its interface, making it especially relevant for financial calculations in the Indian context. The tool combines advanced functionality with a user-friendly design to make percentage calculations quick and accurate.

How to Calculate Percentage of a Number?

Basic Percentage Calculation Methods:

  1. Finding X% of Y: Multiply the number (Y) by the percentage (X) divided by 100. Formula: (X/100) × Y
  2. Finding what percentage X is of Y: Divide X by Y and multiply by 100. Formula: (X/Y) × 100%
  3. Finding percentage change: Subtract the initial value from the final value, divide by the initial value, and multiply by 100. Formula: [(Final – Initial) ÷ Initial] × 100%
  4. Calculating discount: Multiply the original price by the discount percentage divided by 100, then subtract from the original price. Formula: Original Price – (Original Price × Discount%/100)
  5. Calculating tax: Multiply the price by the tax rate divided by 100, then add to the original price. Formula: Price + (Price × Tax%/100)

How Does Our Percentage Calculator Work?

Our calculator uses precise mathematical formulas to handle different types of percentage calculations. It offers six specialized calculators in one:

Basic Percentage Calculator

Calculates three fundamental percentage operations in one view: finding percentage of a number, determining what percentage one number is of another, and calculating percentage change.

Percentage of Number

Focused calculator for finding what percentage of a number equals a specific value, ideal for simple calculations.

Increase/Decrease Calculator

Analyzes the percentage change between two values, showing both the percentage difference and the absolute difference.

Discount Calculator

Calculates the savings and final price after applying a percentage discount to an original price, perfect for shopping.

Tax Calculator

Computes the tax amount and total price after adding a percentage tax to a base price, useful for understanding final costs.

Tip Calculator

Determines tip amounts, total bills, and per-person costs when splitting bills among multiple people at restaurants.

Why Use a Percentage Calculator Online?

Using an online percentage calculator offers numerous advantages over manual calculations:

  • Speed and Efficiency: Get instant results for complex percentage calculations without manual work
  • Accuracy: Eliminate human error in mathematical operations
  • Specialized Calculators: Access different types of percentage calculations in one place
  • Convenience: Calculate percentages anywhere, anytime on any device
  • History Tracking: Save and review your previous calculations
  • Sharing: Easily share your calculation results with others

Benefits of This Percentage Calculator

User-Friendly Interface

Clean, intuitive design with clear input fields and instant results. No mathematical expertise required – get accurate answers quickly on any device.

Multiple Calculation Types

Six different calculators in one tool, covering common needs like algebra, percentages, trigonometry, logarithms, and more.

History & Share

Automatically saves your calculation history for easy reference and comparison. Export or share results with colleagues, students, or friends.

Advanced Options

Customize decimal places, rounding methods, and auto-calculate behavior. Supports multiple currencies (including ₹) for financial calculations and regional formatting.

Frequently Asked Questions

To calculate X% of Y, multiply Y by X/100. For example, to find 15% of 200, calculate: 200 × (15/100) = 200 × 0.15 = 30. You can use our “Percentage of Number” calculator for this calculation – simply enter 15 in the percentage field and 200 in the value field to get the result: 30.

To find what percentage X is of Y, divide X by Y and multiply by 100. For example, to find what percentage 30 is of 150, calculate: (30/150) × 100 = 0.2 × 100 = 20%. Use our “Basic Calculator” and look at the middle calculation section, entering 30 in the top field and 150 in the bottom field.

To calculate percentage change, subtract the initial value from the final value, divide by the initial value, and multiply by 100. For example, if a price changes from ₹100 to ₹125, the percentage increase is: [(125 – 100) ÷ 100] × 100% = (25 ÷ 100) × 100% = 0.25 × 100% = 25% increase. Use our “Increase/Decrease Calculator” for easy calculation of percentage changes.

Our discount calculator takes the original price and discount percentage as inputs. It calculates the amount saved by multiplying the original price by the discount percentage divided by 100. It then subtracts this value from the original price to get the final price. For example, a 20% discount on an item costing ₹500 would save ₹100 (500 × 0.2), resulting in a final price of ₹400.

Yes, you can use our Tax Calculator to calculate GST amounts. Simply enter the price before tax and the applicable GST rate (e.g., 5%, 12%, 18%, or 28% depending on the product or service category in India). The calculator will show both the tax amount and the total price including GST.

Enter the bill amount, your desired tip percentage, and the number of people sharing the bill. The calculator will show you the total tip amount, the total bill (including tip), the tip amount per person, and the total amount each person should pay. This makes it easy to split bills fairly at restaurants or for group expenses.