Welcome to Chandoo.org - We make you awesome in Excel & Power BI

Welcome to Chandoo.org

Hello, Namaste & Kia Ora. Welcome to Chandoo.org. 

My name is Chandoo. My mission is to make you awesome in your work. I do this by sharing Excel & Power BI tutorials, examples, tips, videos and articles on this website. I live in Wellington, New Zealand with my beautiful wife Jo & our twins Nishanth & Nakshatra. Take a minute to browse various topics of the site to see how I can help you.

Thank you and welcome once again.

Maths worksheets for your kids – teach addition, subtraction & multiplication with these

Nishanth & Nakshatra, my kids are now 8 years old and learning mathematics at school. Very soon (from this Saturday), they will have 2 weeks of school term break. As a stay at home dad, I shudder at the thought of school holidays. So this time, I have an evil plan. I made maths worksheets for them. Everyday, I will print one and ask them to complete.

If you are a stay at home parent and want to keep your kids busy for a few minutes every day, grab a copy of this and give it a go. Keep in mind that the workbook uses RANDBETWEEN(), so the numbers change every time. If you have multiple kids, print multiple copies. There are no answer sheets, so when you need to check the answers, you too must calculate them by hand.

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How many Excel themed cryptic crossword clues can you solve? [Easter Eggs 2018]

It is Easter time. This is the first Easter we are celebrating in our new house. So it is bound to have so many special memories. For last 10 years (wow, it has been a decade of tradition), I have been running Excel based egg hunts every Easter. It all started in 2009, when I was living in Sweden (where Easter is a BIG thing). I had to share the enthusiasm with someone, so I made our first Easter egg hunt on the blog.

This year, join me on an Excel themed cryptic crossword clues – Easter egg hunt. Don’t forget to share your scores and explanations in the comments.

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Stay on top of money with this awesome household budget spreadsheet [downloads]

I believe in frugal living and paying yourself first. One of the simple ways to achieve this is by using a budget. You know how much money you get. Once you can track (or estimate) how much you are spending, it is easy to see how much you are paying your future self and what wiggle room you have. So in the spirit of making you awesome in life, not just Excel, let me share a simple but elegant household budget spreadsheet.
Here is a screenshot of the budget.

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How windy is Wellington? – Using Power Query to gather wind data from web

Let’s take a whirlwind trip to coolest little capital – Wellington. It is a windy place, so hold on to your hats and spreadsheets.

Almost everyone who spends more than 2 days in Wellington would agree that it is a windy place. But how windy is Welly? In this two part series, we will use Power Query, Excel charts and coffee to answer that question.

But, first let’s start with a joke.

What happens when you throw a boomerang in Frank Kitts Park?

You will have to buy another one, coz you are not getting that one back.

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This year, become a Very Table Genius

Let’s start the new year with a bang.

Excel Tables were introduced more than a decade ago, but a lot of people don’t know them or under utilize them. So start this year by becoming a very table genius.

What is Excel Table?

Excel tables are a simple and elegant way to structure and store your data. Let’s say you have staff details like below. Instead of calling it like A1:E72, you can convert this data in to a table and call it, you guessed it right, covfefe (or more coherent option like – staff).

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Excel & Power BI for you

If you are new to Excel or have never used it, use below links to come up to speed.

Conditional Formatting in Excel

Intro to Excel


Structural Refs

Essential Formulas

Pivot Tables Intro

Budget vs. Actual ChartHave been using Excel for a while? Check out these tutorials to learn more and become awesome.

Advanced Excel

Pivots from Multiple-Tables

Multi-column Lookups

Interactive charts

VBA & Macros

Work with Excel a lot and know your game well? We have some very-advanced topics for you too. Check out:

Training calendar & dashboard in Excel

Array formulas

Excel challenges

Advanced Charting

Data Tables & Simulations

Power BI

Power BI is the most exciting thing to happen for your data since spreadsheets. If you are looking for a new skill to learn this year, I highly recommend Power BI. Check out below tutorials and get started today.

Introduction to Power BI – your first tutorial

Introduction to Power Query

Power BI Example – Commonwealth games tracker

Power Mondays – Learn all about Power BI, Power Query & Power Pivot

What people say about Chandoo.org

I have been using Excel since Excel 4 days, but understood the true potential of Excel only after learning at Chandoo's site a few months ago. His contents, language, topics covered and methodologies are unmatchable. His website has been a great inspiration. This guy is amazing. Great regards to Chandoo.
Vivek K
Long time Excel user
Hi Chandoo, I just want to say I really appreciate your Excel tutorials and all your hard work that it took to compile the huge library of content. Your site has helped me gain a better understanding of Excel which has helped me in my job. You are helping the world!
Felix H
Throughout my life as an administrative assistant; your site has been invaluable to me. And now that I’m a recruiter; it’s still an amazing resource for when I need to teach someone something quickly. You are a friggin’ Rock Star!!! Thank you for everything you do.
Jason S

Courses for you


Excel School

Learn how to work with data, make calculations, pivots, create amazing charts and powerful dashboards from scratch using Excel School + Dashboards program. Suitable for analysts, managers or professionals who need to use Excel often.


VBA Classes

Use VBA to automate your tasks and build powerful spreadsheet based apps. In this course, learn all about how to program with VBA, how to use the language and object model to your advantage. Suitable for people who build a lot of things with Excel.


Power BI

Power BI, the newest technology from Microsoft is a game changer. You can build rich, interactive and informative displays for your audience using Power BI. In this course, learn all about Power BI, Power Query and Power Pivot and how to combine them to achieve awesome results.

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