Custom pipe to round numbers up or down in Angular | Angular in English (Session-151)

Описание: Custom pipe to round numbers up or down in Angular | Angular in English (Session-151)

In this Angular English tutorial, we’ll create a RoundNumberPipe to easily round numbers up, down, or to the nearest integer directly in Angular templates.

What you’ll learn in this video:

1.How to build a custom number rounding pipe in Angular

2.Using Math.floor(), Math.ceil(), and Math.round() for rounding logic

3.Making the pipe configurable — choose rounding type:

floor → rounds down

ceil → rounds up

round → normal rounding

4.Adding support for decimal precision (e.g., 123.456 → 123.46)

5.Handling negative numbers with rounding

6.Using the pipe in Angular templates ({{ price | round:'ceil' }})

7.Real-world examples — showing prices, percentages, ratings, and scores

FAQ: Angular Round Number Pipe

Q1: How can I round a number up or down in Angular templates?
Q2: Can I round numbers to a specific number of decimal places?
Q3: What’s the difference between ceil, floor, and round in Angular pipe?
Q4: Does this work for negative numbers as well?
Q5: Where should I use a RoundNumberPipe in real-world apps?

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