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Percentage Calculator β€” Free Online % Calculator

Calculate percentage of a number, find what percent one value is of another, percentage change, and add or subtract percentages.

Result

100.00

How It Works

01

Pick a Mode

Choose the type of percentage calculation

02

Enter Values

Type numbers and see results instantly

03

Use Anywhere

Discounts, marks, growth, and salary math

Help Us Improve

Your feedback helps us build better tools.

About Percentage Calculator

Our free Percentage Calculator handles every common percentage problem β€” find what percent one number is of another, calculate percentage increase or decrease, add or subtract a percentage, and compute marks percentage for exams. Get instant results without memorising formulas.

Designed for Indian students calculating exam scores, shoppers checking discounts during sales, employees verifying hike percentages, and anyone working with GST or interest rates. Supports quick answers for board exam mark sheets, Flipkart/Amazon discount tags, and salary increment verification.

All calculations run client-side in your browser. Numbers you enter are never sent to any server, keeping exam scores, salary figures, and business data completely private.

When Should You Use Percentage Calculator?

Exam marks calculation

Convert raw marks to percentage for CBSE, state board, or university results.

Discount calculation

Find final price after 10%, 20%, or 50% off during online or shop sales.

Salary hike percentage

Calculate percentage increase between old and new salary figures quickly.

GST calculation

Compute tax percentage on bills when you need a quick percentage check.

Interest rates

Work out interest as a percentage of principal for loans or investments.

Frequently Asked Questions