Percentage Calculator
Percentage Calculator – Calculate Percentages Online Instantly
A percentage calculator helps you quickly solve common percentage problems such as finding a percentage of a number, calculating percentage increase or decrease, and determining what percentage one value is of another.
At DigitalCalculatorOnline, our free online percentage calculator is designed to be simple, accurate, and easy to use on any device. Whether you’re a student, business owner, teacher, or everyday user, this tool gives instant results without downloads or sign-ups.
Math Calculators
What Can This Percentage Calculator Do?
This calculator covers the most commonly used percentage calculations:
✔ What is X% of Y?
Use this option when you want to find a percentage of a value.
For example, what is 20% of 500?
✔ X is what percentage of Y?
Perfect for finding ratios and comparisons.
For example, 50 is what percent of 200?
✔ Percentage Increase Calculator
Calculate how much a value has increased in percentage terms.
Useful for salary hikes, price increases, and growth calculations.
✔ Percentage Decrease Calculator
Find how much a value has decreased as a percentage.
Commonly used for discounts, price drops, and performance analysis.
These four calculations cover almost all real-world percentage problems.
How to Use the Percentage Calculator
Using the calculator is straightforward:
Enter the required numbers in the input fields.
Click the Calculate button.
View the result instantly below the section.
Use the Clear button to reset the values and start a new calculation.
Each section includes short instructions so you always know what values to enter and where.
Why Use Our Online Percentage Calculator?
There are many percentage calculators online, but ours is built for clarity and speed.
🔹 100% Free to Use
No registration, no hidden costs, no limits.
🔹 Accurate & Instant Results
All calculations are performed using precise mathematical formulas.
🔹 Simple & User-Friendly Design
Clean layout, easy inputs, and readable results.
🔹 Works on All Devices
Fully responsive — use it on desktop, tablet, or mobile.
🔹 Ideal for Everyday Use
Perfect for students, teachers, business owners, accountants, and shoppers.
Common Uses of a Percentage Calculator
A percentage calculator is useful in many daily situations, including:
Calculating discounts and sale prices
Finding exam scores and grades
Measuring profit and loss percentages
Calculating salary increases
Comparing values in reports and analysis
Financial planning and budgeting
No matter your use case, this tool helps you save time and avoid manual errors.
Examples of Percentage Calculations
What is 15% of 800? → 120
30 is what percentage of 150? → 20%
Increase from 200 to 260 → 30% increase
Decrease from 500 to 400 → 20% decrease
These examples show how easily real-life percentage problems can be solved using this calculator.
Frequently Asked Questions (FAQs)
What is a percentage?
A percentage represents a number as a fraction of 100. For example, 25% means 25 out of 100.
Is this percentage calculator accurate?
Yes. All calculations are done using standard percentage formulas and deliver accurate results.
Can I use this calculator for business or school work?
Absolutely. This calculator is suitable for academic, personal, and professional use.
Do I need to install any software?
No. This is a fully online percentage calculator that works directly in your browser.
Explore more tools on DigitalCalculatorOnline to handle all your calculation needs in one place.