Data Calculator

Do you know how much data you use on your smartphone? Our handy mobile data calculator helps you work out how much data you need, based on the apps you use most, so you can find a plan tailored to your needs. Plus, there are tips on how to use less data and guides on how much data popular apps like Netflix, Spotify and YouTube use.

Use the sliders or type in the text boxes to calculate your data use, quickly and easily.

If you want a quick indication, choose low, medium or high and then adjust the sliders to tailor your result.

Show full instructions




Your estimated monthly data usage is:

0.00 MB

Find a plan that suits you.

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Minutes you stream daily*


Minutes you stream daily*


Minutes you chat daily*


Minutes you browse daily*


Minutes you use social media daily*

* when not connected to Wi-Fi

Data usage – helpful information and tips

Our Data calculator is designed to make it easy for you to estimate your monthly data usage – but we understand that many of the terms and abbreviations used can be confusing. And that’s precisely why we’ve provided answers to some of our most frequently asked questions.

Please note: The Data calculator provides an estimate based on average data use at the time of publication. It is not a recommendation. Remember when you are choosing your plan to allow a little bit extra for those unexpected downloads.

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