Percentage Calculator: Calculate Percentages Instantly with Steps

Percentages are used everywhere — a discount at the register, a restaurant tip, your score on an exam, etc. Most people still grab their phone to make some calculations. This calculator makes it easy — you enter two numbers, and it immediately gives you the answer.

Inputs

Results

Percentage Rate:10%
Total Number:100
Result:10

10% of 100 is 10

$$ \frac{10}{100} \times 100 = 10 $$
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What This Tool Is For

You can enter two numbers you want to use in the top two input boxes; either a percentage or a quantity. When you enter either of these values into either of the two input boxes, the other box will automatically update with the corresponding result — you don’t need to hit any buttons to do this.

You will see below the two input boxes:

  • A line of text that explains what you just calculated (i.e. 25% of 100 is 25)
  • An equation using the simple mathematical symbols and letters to provide a clear equivalent for what you just calculated
  • A button that allows you to copy the result that you just calculated with one click
  • A button that allows you to save your result as an image (PNG) that can be downloaded onto your computer

Overall layout, the calculator is very clean and graphic-oriented. There are no menus to waste time going through, and nothing else that requires additional configuration before starting to use the calculator.

How It Works

There is an entry form where you enter the following two values:

  • You will provide the percentage (25% is an example).
  • Then you will enter the total amount (which could be 200).

The calculator automatically works out your figure for you by dividing your percentage by 100 and multiplying this answer by your total amount. The answer will show just below the amount that you entered.

The result will also be displayed in a very neat manner. If the answer is a whole number, there will be no decimal places in the answer. If the answer is not a whole number (i.e. it has decimal places), then it will be rounded to 2 decimal places.

You can also choose to copy your answer or to save it as an image. The image will also have your total amount divided by the percentage that you entered; doing this will allow you to retain proof of the result or to share it with others.

The Formula

$$\text{Result} = \frac{\text{Percent}}{100} \times \text{Number}$$

Step-by-Step Example

What is 25% of 200?

  1. Add the values

    $$\text{Result} = \frac{25}{100} \times 200$$

  2. Divide first:

    $$\frac{25}{100} = 0.25$$

  3. Multiply:

    $$0.25 \times 200 = 50$$

  4. Final Answer:

    $$\text{Result} = \frac{25}{100} \times 200 = 50$$

So 25% of 200 is 50.

Limitations and Disclaimer

This tool can only perform one calculation: finding a percentage of a given number. It will not:

  • Calculate Percentage increase or decrease
  • Determine the Percentage difference between two numbers
  • Help you to occur percentages/change% calculations
  • Support Compounding/cumulative percentage calculations

The tool will also round your answer to 2 decimal places. When using this tool for financial or medical purposes, you should verify the data through a financial professional or medical adviser. This is solely for A General Purpose calculator.

You will find that percentages show up much more often than you realize, whether you are calculating a tip, figuring out the total of your receipt after discounts are deducted and so on. With this calculator you will be able to enter two numbers (the original amount and percentage) and get your answer without any other steps or confusion; so each time you use it you will receive a simple and unambiguous result.

Frequently Asked Questions

How do I calculate the percentage of a number?

Divide the percentage by 100, then multiply by your number. For example, 20% of 150 is (20 ÷ 100) × 150 = 30.

What is this calculator used for?

It determines the percent of some quantity. This calculator can be used for determining discounts, tips on a restaurant bill, figuring out your grade, determining your profit, and so on. Therefore, if you want to determine the percentage increase from a given amount to another, this calculator will not help you do that.

How do I calculate percentage change?

To calculate a percentage change, you must have two separate quantities — 1) the original amount and 2) the new amount. This calculator does not support the two needed values for calculating a percentage change. This calculator calculates a percentage based on a single input quantity and input percentage.

What does the formula show me?

This calculator will show you the math used to get your answer in a nicely formatted equation so that you can see the steps involved to get the answer, not just the answer.

Can I save my result?

Yes, there is an option to save the calculation result out to your photos. Click on the Save as Image button. It will download a PNG file that has your complete calculation shown on it.

Does the calculator work with decimal percentages?

Yes, you can use decimals when entering a percentage. For example, you can enter an input percentage as 12.5 or 7.75. This calculator will work perfectly well with decimal input.

Is this tool free to use?

There are absolutely no costs associated with this calculator. You will not be required to login, create an account, or will there be any limits regarding how often you can utilize this calculator.