Website Carbon Calculator
Find out the how much CO2 your website emits
Website Carbon Calculator launched on November 11, 2019 with 105 votes, #283 of 3,203 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 6 years on.
What it does
The website carbon calculator measures your website's carbon emissions. Page weight has been growing for years and this makes the web a huge energy consumer. We want people to consider the impact their websites have on the planet.
The original website carbon calculator tool, brought to you by Wholegrain Digital,London's original sustainable WordPress agency.
The internet consumes a lot of electricity. 1021 TWh per year to be precise . To give you some perspective, that’s more than the entire United Kingdom. From data centres to transmission networks to the billions of connected devices that we hold in our hands, it is all consuming electricity, and in turn producing carbon emissions equal to or greater than the global aviation industry. Yikes! We developed the first methodology for estimating the carbon emissions attributed to a website. This free tool is here to help raise awareness and inspire a more sustainable internet. If you want help doing a more detailed analysis or need assistance reducing emissions from your web project, our…from websitecarbon.com
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