---
title: 'Big-O Notation'
description: 'Easy to understand explanation of Big-O notation without any fancy terms'
authorId: 'kamran'
seo:
  title: 'Big-O Notation - roadmap.sh'
  description: 'Easy to understand explanation of Big-O notation without any fancy terms'
isNew: false
type: 'visual'
date: 2021-03-15
sitemap:
  priority: 0.7
  changefreq: 'weekly'
tags:
  - 'guide'
  - 'visual-guide'
  - 'guide-sitemap'
---

Big-O notation is the mathematical notation that helps analyse the algorithms to get an idea about how they might perform as the input grows. The image below explains Big-O in a simple way without using any fancy terminology.

[![Big-O Notation](/guides/big-o-notation.png)](/guides/big-o-notation.png)