Provide values in input box and answer will update in real time. Negative values are also allowed.

{{ valueOut }}

{{ percent1 }}% of {{ number1 }} is {{ valueOut }}

X = {{ percent1 }}% of {{ number1 }}

X = {{ percent1 }}100 × {{ number1 }}

X = {{ valueOut }}

{{ percentOut }}%

{{ percentOut }}% of {{ number2 }} is {{ value2 }}

X% of {{ number2 }} = {{ value2 }}

X100 × {{ number2 }} = {{ value2 }}

X = ({{ value2 }} × 100){{ number2 }}

X = {{ percentOut }}

{{ numberOut }}

{{ percent3 }}% of {{ numberOut }} is {{ value3 }}

{{ percent3 }}% of X = {{ value3 }}

{{ percent3 }}100 × X = {{ value3 }}

X = ({{ value3 }} × 100){{ percent3 }}

X = {{ numberOut }}

# Percentage Calculator

Calculate percent value for a number and find unknowns in a percentage formula. Answer questions like % of X, what % is X in Y or X is Y% of what?

## How Does Percentage Calculator Work?

With percentage calculator, you can find value that makes the percent portion in a percentage equation. You can also calculate percent when amount and value are known, or find the original amount when value and percent are known.

Answer to questions like % of X, what % is X in Y or X is Y% of what? can be calculated using this tool.

Here are three compoenents required for a percentage formula.

Value = The value after calculating pecentage from amount.
Percent = The percentage portion.
Amount = The original amount from which percent is to be calculated.

### What is the percentage forumula? How to calculate value for a given percentage?

Percentage of an amount can be found using the formula below:

`Value = Percent% × Amount`

or

`Value = Percent/100 × Amount`

### How to calculate percent when value and original amount is known?

Percent can be found using the formula below:

`Percent = (Amount × 100) / Value`

### How to calculate amount when value and percent is known?

Amount can be found using the formula below:

`Amount = (Value × 100) / Percent`

### How to convert decimal or fraction into percent?

If you are converting decimal or fraction into percent, then you need to multiply them with 100 to reach at precent %.

Example or converting decimal to percentage:

`0.218 × 100 = 21.8%`

Example or converting fraction to percentage:

`1/5 × 100 = 20%`

Additionaly, if you are calculating percent increase over a duration, take a look at CAGR calculator.

## How to Use Percentage Calculator?

• First select the statement/problem for which you need to find the unknown.
• These statements provide you with easy explaination about what is being calculated in the percentage formula.
• Just enter the values in the input box of the statement for which you need the calculation.
• Input values accept negative, positive as well as decimal numbers.
• Answer for respective percentage equation will automatically get updated as per the values provided.
• An easy statement, highlighting the answer will also be presented below the answer.
• You will also see calculation steps done for arriving at the answer.
• We do not store any of the values provided by you and everything is done inside your browser.