SnappyCalcs

Percentage Calculator

Calculate percentages, increases, decreases, differences, and discounts instantly. Fast, free, and accurate.

Calculate Percentage

%
of
=

Percentage Calculator Formula

Use this formula to find a percentage of a number or to check the result from the calculator.

Formula

result = (percent / 100) x value

Example

What is
20
%of
150
=
30
?

Steps

  1. 120 / 100 = 0.2
  2. 20.2 x 150 = 30
  3. 320% of 150 = 30

Calculate percentages online

Use this percentage calculator for the common questions people ask every day: what is 20% of 150, 30 is what percent of 120, how much did a value increase, or what is the final price after a discount.

Choose the calculator mode that matches your problem, enter the numbers, and SnappyCalcs shows the result with the formula and calculation steps so you can check the math.

Common percentage examples

What is 20% of 150?

20 / 100 x 150 = 30.

30 is what percent of 120?

30 / 120 x 100 = 25%.

How to calculate 25% off $120?

$120 x 25 / 100 = $30 savings, so the sale price is $90.

Other Calculators

Simple tools for nearby percentage questions.

Percentage Increase Calculator

Find percent growth from one value to another.

Increase from
100
to
125
=
25
%

Percentage Difference Calculator

Compare two values using percentage difference.

Difference between
80
and
100
=
22.22
%

Percentage Change Calculator

Calculate increases and decreases between old and new values.

Change from
100
to
80
=
-20
%

Percentage Decrease Calculator

Find percent decrease from an original value to a lower value.

Decrease from
100
to
80
=
-20
%

Discount Calculator

Find sale prices and savings from a discount percent.

25
%off$
120
=$
90

FAQ