Maths & Science
Percentage Calculator
Percentages are everywhere, from VAT and discounts to interest rates and test scores. Our calculator takes the guesswork out of these common math problems, giving you precise answers in seconds.
Percentage Calculator
Solve common percentage problems instantly
Find Percentage of Value
%
?
20
Find Percentage between Values
?
25%
Frequently Asked Questions
How do I calculate 20% of 100?
Simply enter 20 in the first box and 100 in the second. The result will show 20, as 20/100 * 100 = 20.
What is percentage increase?
A percentage increase is the difference between two values divided by the original value, then multiplied by 100. It shows how much something has grown.
Is it useful for shopping?
Yes! Use it to quickly calculate how much you will save during a sale. For example, 'What is 30% of £45' will give you the discount amount.
What about tax calculations?
You can use this to find the VAT or tax amount on any price by entering the tax rate percentage and the net price.