How to use Percent Pipe in Angular?

Here's an example of how to use the PercentPipe in Angular:

First, import the PercentPipe from the @angular/common module:


import { PercentPipe } from '@angular/common';

Inject the PercentPipe into your component's constructor:


constructor(private percentPipe: PercentPipe) { }

Use the transform() method of the PercentPipe to format a number as a percentage in your component's template:


<p>The discount is {{ discount | percent:'1.2-2' }}</p>

In this example, discount is a number variable that represents the discount percentage. The percent pipe is used to format this number as a percentage with 2 decimal places and a minimum of 1 integer digit. The resulting output will look something like this:


The discount is 25.00%

You can customize the formatting of the percentage by specifying different options as the second argument to the percent pipe. For example, you could use '1.0-0' to format the percentage with no decimal places and a minimum of 1 integer digit, or '1.4-4' to format the percentage with 4 decimal places and a minimum of 1 integer digit. The PercentPipe also supports options for specifying the decimal separator, thousands separator, and locale, which can be useful for internationalization purposes.

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