Banner Display CO₂

~50 mg/banner.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

kg CO₂
0,0500

About this calculator

The Online Banner CO₂ Footprint Calculator is a simple and effective tool for estimating the amount of carbon dioxide (CO₂) emitted by an online banner. The estimate is based on around 50 mg of CO₂ per banner displayed. This calculation considers the energy consumption required to load the banner image and display it in the user's browser.

The calculator's operation is based on a formula that takes into account the energy consumption of the servers that store and serve the banner image, as well as the energy needed to transmit the image through the network. Although the individual impact is small, the aggregated consumption can have a significant effect on a large scale.

This calculator is useful for digital marketing professionals, web developers, and anyone interested in understanding and mitigating the environmental impact of their online actions. It is especially relevant for online advertising campaigns, where the number of banners displayed can be very large.

When using this calculator, it's essential to keep in mind that the obtained value is an estimate. Several factors can influence the actual energy consumption, including the specific infrastructure used to serve the banner and the efficiency of the code used on the website.

Frequently asked questions

How does the carbon footprint calculation for the banner work?

The calculation is based on an estimate of 50 mg of CO₂ per banner displayed, considering the energy consumption to load and display the image.

Is this calculator accurate?

The calculator provides an estimate. Actual energy consumption may vary depending on the infrastructure and code used.

Why is it important to calculate the carbon footprint of an online banner?

Because, although the individual impact is small, aggregated consumption can be significant, especially in large-scale advertising campaigns.

Can I use this calculator for other types of online content?

This calculator was designed specifically for online banners, but the principle can be applied to other content with adjustments to the energy consumption estimate.

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