Percentage Calculator – Calculate Percentages, Discounts, Tips, Increases & GPA

Welcome to our all-in-one online Percentage Calculator. Whether you need to calculate percentages, percent increases, percent decreases, discounts, tips, or GPA, our calculators provide fast, accurate, and easy-to-understand results. Perfect for students, professionals, shoppers, and anyone who wants to save time and avoid manual errors. Our tools are mobile-friendly, intuitive, and accessible without any sign-up.

Percent Of Calculator

Find the percent of a number (e.g., "What is 20% of 250?").

Result will appear here.

Percentage Calculator – Calculate Percentages, Discounts, Tips, Increases & GPA

Welcome to our all-in-one online Percentage Calculator. Whether you need to calculate percentages, percent increases, percent decreases, discounts, tips, or GPA, our calculators provide fast, accurate, and easy-to-understand results. Perfect for students, professionals, shoppers, and anyone who wants to save time and avoid manual errors. Our tools are mobile-friendly, intuitive, and accessible without any sign-up.

Percent Of Calculator – Find X% of a Number

The Percent Of calculator allows you to find what a percentage of a number is. For example, if you want to know what 20% of 250 is, this tool will give you the answer instantly.

Formula: Percent × Base ÷ 100

Example: 20% of 250 = 20 × 250 ÷ 100 = 50

This calculator is useful for discounts, calculating sales tax, or any situation where you need to find a percentage of a number.

Percent Value Calculator – What Percent is X of Y?

Use the Percent Value calculator to determine what percentage one number is of another. For instance, if you earned 50 points out of 200, you can calculate your score percentage.

Formula: (Part ÷ Whole) × 100

Example: 50 ÷ 200 × 100 = 25%

This calculator is ideal for grades, statistics, and any case where you need to find relative percentages.

Percentage Increase Calculator

The Percentage Increase calculator helps you measure growth or increase between two values. This is commonly used in finance, sales, and investment tracking.

Formula: ((New − Original) ÷ Original) × 100

Example: Original = 80, New = 100 → ((100 − 80) ÷ 80) × 100 = 25% increase

Use this calculator to quickly determine the percentage growth of revenue, prices, or any quantity over time.

Percentage Decrease Calculator

The Percentage Decrease calculator is used to measure reduction or decline from an original value to a new value. Common applications include price drops, cost savings, and value depreciation.

Formula: ((Original − New) ÷ Original) × 100

Example: Original = 200, New = 150 → ((200 − 150) ÷ 200) × 100 = 25% decrease

Perfect for calculating discounts, performance drops, or decreases in any measurable quantity.

Discount Calculator – Sale Prices & Savings

Quickly calculate the discounted price of any item by entering the original price and discount percentage. This is ideal for shoppers and e-commerce.

Formula: Discount = Original × Discount % ÷ 100; Final Price = Original − Discount

Example: Original = $120, Discount = 30% → Discount = 120 × 30 ÷ 100 = $36 → Final Price = 120 − 36 = $84

This calculator helps you see exactly how much you save during sales or promotions.

Tip Calculator – Tip and Total Per Person

Calculate tips quickly for restaurants or services. Enter the bill amount, tip percentage, and number of people to get the total and per person amounts.

Formula: Tip = Bill × Tip % ÷ 100; Total = Bill + Tip; Per Person = Total ÷ People

Example: Bill = $85.50, Tip = 15%, People = 2 → Tip = $12.83, Total = $98.33, Per Person = $49.17

This is useful for splitting bills accurately and avoiding rounding errors.

GPA Calculator – Grades and Credits

Calculate your Grade Point Average (GPA) by entering your course grades and credit hours. This tool is ideal for students in high school or college.

Formula: GPA = Σ(Grade × Credits) ÷ ΣCredits

Example: Grades = 3.7, 3.3, 4.0; Credits = 3, 3, 4 → GPA = (3.7×3 + 3.3×3 + 4×4) ÷ (3+3+4) = 3.66

Useful for calculating semester GPA, cumulative GPA, or converting letter grades to numerical GPA.

Why Use an Online Percentage Calculator?

Online percentage calculators save time, reduce errors, and make everyday calculations effortless. From shopping discounts and bill tips to tracking investments and GPA, our calculators provide fast, accurate results. Mobile-friendly and easy to use, they are perfect for students, professionals, and anyone needing precise percentage calculations. Using our calculators ensures you never miscalculate percentages, increases, or decreases.

Practical Examples

  • Shopping Discounts: Quickly find sale prices and savings during store promotions.
  • Finance: Calculate percent increase or decrease in revenue, investment returns, or expenses.
  • Education: Convert points to percentages or compute your GPA accurately.
  • Daily Life: Split bills, calculate tips per person, or plan budgets using percentages.

Frequently Asked Questions

How do I calculate percent increase?

Subtract the original value from the new value, divide by the original value, and multiply by 100. Example: Original = 80, New = 100 → Percent Increase = 25%

How do I calculate discounts?

Multiply the original price by the discount percentage, then subtract that from the original price. Example: Original = $120, Discount = 30% → Final Price = $84

How do I calculate tip per person?

Multiply the bill by the tip percentage, add it to the bill total, then divide by the number of people. Example: Bill = $85.50, Tip = 15%, People = 2 → $49.17 per person

How do I calculate GPA?

Multiply each grade by its corresponding credits, sum all points, then divide by total credits. Example: Grades = 3.7, 3.3, 4.0; Credits = 3,3,4 → GPA = 3.66