Percentage Calculator Online

Use the online Percentage Calculator from Math Tools for fast, precise percent calculations. Solve discounts, increases, and ratios in seconds. Try it today!

Enter your values

%
Enter a non-negative number.
e.g., 15 for 15%.
Enter a non-negative number.
Value to take % of.
Enter a non-negative number.
Enter a number greater than 0.
Enter a non-negative number.
Enter a non-negative number.
%
Enter a non-negative number.

Results

Primary result
Ready
Enter values above and click Calculate to see step‑by‑step results.
Detailed breakdown of the calculation.
Item Value
No data yet.
Show CSV preview

Comparison chart

Bars visualize base, part, and new values depending on the selected mode.

Tips

  • Percent of: Finds P% of N and shows add/subtract results for quick markups or discounts.
  • What percent: Useful for test scores and proportions — part relative to whole.
  • % change: Compare original and new values, or derive one given the other and the percentage.

What is an Online Percentage Calculator Online?

An Online Percentage Calculator Online is a digital tool accessible through the internet that simplifies percentage-based calculations. It helps users perform tasks such as finding a percentage of a number, calculating percentage increases or decreases, or determining what percentage one number represents of another. These calculators are commonly used in finance, academics, and everyday decision-making.


How to Use an Online Percentage Calculator Online?

  1. Access the Tool: Open your web browser and search for an online percentage calculator.
  2. Select the Calculation Type: Many tools offer options like "Find Percentage," "Percentage Increase/Decrease," or "What Percent?"
  3. Input the Values: Enter the relevant numbers, such as the base amount and percentage, or the two numbers to compare.
  4. Perform the Calculation: Click the "Calculate" button to see the result.
  5. Repeat or Modify (if needed): Adjust the inputs to perform additional calculations as required.

Frequently Asked Questions

  1. What types of calculations can an online percentage calculator perform?
    It can calculate percentages of numbers, percentage increases/decreases, and determine percentages in comparisons.

  2. Can I use an online percentage calculator for financial tasks?
    Yes, these calculators are ideal for calculating discounts, sales tax, interest rates, or profit margins.

  3. How do I calculate a percentage increase using this tool?
    Enter the original value and the new value, and the calculator will compute the percentage increase or decrease.

  4. Is the tool suitable for educational purposes?
    Absolutely! Students can use it to understand and solve percentage-related problems in mathematics or other subjects.

  5. Do I need special software to use an online percentage calculator?
    No, these calculators are web-based and can be used directly through any standard web browser without additional software.

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