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Percentage Calculation

Tool to convert percentages/ratio/fractions. Percentage calculation consists in writing a number via a fraction of 100, using the sign %.

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Percentage Calculation -

Tag(s) : Statistics

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Percentage Calculation

Fraction to Percentage Converter


Percentage to Fraction Converter




Computing with Percentage and Number



Number Comparison with Percentages



Answers to Questions (FAQ)

What is a percentage? (Definition)

A percentage is the measure of the number of items in a set (or total) expressed as a fraction with a denominator of 100 (one hundred).

A percentage is a ratio per 100 items. By always using 100, the percentages are easily compared for statistics.

How to convert a fraction into a percentage?

A percentage is the numerator of a fraction with the denominator 100 (one hundred). To convert a fraction to a percentage multiply the numerator and the denominator by a factor in order to have the denominator equals to 100.

Example: $ 3/4 = (3*25)/(4*25) = 75/100 = 75\% $

List of common fractions:

1/250%
1/333.3%
2/366.7%
1/425%
3/475%
1/520%
2/540%
3/560%
4/580%

Use the form at the top of the page for any other fraction.

How to convert a percentage to a fraction?

A percentage is already a fraction (over 100), write this proportion as a fraction in lowest term.

Example: $ 25\% = 25/100 = 1/4 $

How to convert a percentage into a decimal number?

A percentage is a fraction and a fraction is a number, so converting a percentage to a number is making the corresponding division.

Example: $ 4\% = 4/100 = 0.04 $

Sometimes the division is not a finite decimal number, in this case, use to decimal number rouding.

How to calculate an equation with percentages?

The dCode tools as the equation solver allows to solve equations such as:

Example: If 25% of X = 100, Then X = ? (The corresponding equation is x*(25/100)=100 and the answer is 400)

What does pc means?

Sometimes the letters pc are used as an abbreviation of the word percent, often when the % key is not available (some keyboards or typewriters do not contain this sign)

Source code

dCode retains ownership of the "Percentage Calculation" source code. Except explicit open source licence (indicated Creative Commons / free), the "Percentage Calculation" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or the "Percentage Calculation" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Percentage Calculation" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
Reminder : dCode is free to use.

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Cite as source (bibliography):
Percentage Calculation on dCode.fr [online website], retrieved on 2022-11-28, https://www.dcode.fr/percentage-fraction-proportion

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Questions / Comments

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