Online Percentage Calculator

A free, all-in-one tool to calculate percentages, discounts, and percentage increases or decreases instantly.

Calculate what is X% of Y.

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Calculate the percentage increase or decrease from one value to another.

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Calculate the final price after a discount.

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Percentages in Everyday Life

From shopping to finance, percentages are a part of our daily lives. Our tool makes it easy to handle any calculation you need.

For Smart Shopping

Quickly figure out how much you'll save during a sale. Use our **Discount Calculator** to see the final price of an item after a percentage is taken off. It's perfect for Black Friday, seasonal sales, or just making sure you're getting a good deal.

For Financial Planning

Track your investments, calculate interest, or understand changes in your bills with the **Percentage Increase/Decrease** calculator. See if your portfolio is growing or if your expenses have gone up, and by exactly how much.

For Students & Professionals

Whether you're calculating a grade, figuring out a commission, or analyzing data for a report, the **Simple Percentage** calculator is essential. Get fast, accurate answers for any "what is X% of Y" question without the mental math.

Frequently Asked Questions

Common questions about calculating percentages.

How do I calculate a simple percentage?

To find the percentage of a number, you convert the percentage to a decimal and multiply it by the number. For example, to find 20% of 250, you calculate 0.20 * 250, which equals 50. Our tool does this for you instantly.

How do you calculate percentage increase?

To calculate the percentage increase from an initial value to a final value, you subtract the initial value from the final value, divide the result by the initial value, and then multiply by 100. For example, from 80 to 100 is ((100 - 80) / 80) * 100 = 25% increase.

How do I calculate a discount?

To find the final price after a discount, you first calculate the discount amount by multiplying the original price by the discount percentage (as a decimal). Then, you subtract the discount amount from the original price. For example, 30% off $120 is $120 - (0.30 * 120) = $120 - $36 = $84.