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Percentages Calculator & Fractions Calc

With our percentage calculator, you can answer the following questions...

What is X percent of Y?   (e.g. 5% of 10 = ?)

What percentage of Y is Z?   (e.g. ?% of 10 = 0.5)

X percent of what is Z?   (e.g. 5% of ? = 0.5)

Lock the field you want to know (calculated)...

% of =



You can calculate amount increase (+) / decrease (-) and find back-values with this version of the percentage calculator e.g...

From 20 -> 15 is an decrease (-) of 25%

What is the original amount if we increase/decrease a fixed percentage?



From to = %

You can also visit our full Percentages Calculator