percentage calculator
Easily calculate percentages, discount amounts, markup, and growth rates. A simple yet powerful tool for shopping, business math, and financial analysis.
10% of 100 is
10.00
Getting Started in Seconds
Choose Mode
Select the type of percentage calculation you need (e.g., 'X% of Y').
Enter Numbers
Input the values into the corresponding fields.
View Result
The calculated percentage or value appears instantly.
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Common
Questions
Have a different question about Percentage Calculator? Feel free to reach out or explore our other documentation.
1When should I use this instead of my phone's simple calculator?
Have you ever found yourself trying to find 15% of a bill and then adding it to the total, but getting confused? Our tool is designed for clarity. It breaks down the math into easy-to-read steps, so you don't just get a final answer but also understand how we got there.
2Is it helpful for things like shopping discounts or sales tax?
Imagine you're at the store and see a 'Save 20%' sign—it's not always obvious how much you're actually saving. We've optimized this calculator to handle everything from price drops and sales tax additions to finding the 'percentage change' in your business expenses over time.
3Is my personal math data stored while I'm using the tool?
Your calculations are for you and you alone. Every bit of the math happens 'client-side,' which is like have a private math tutor in your pocket. None of your numbers are ever sent to a server or stored in a database, making it 100% private.