What is a product carbon footprint?
A product carbon footprint is the total greenhouse gas emissions caused by one product, from the raw materials it is made of to what happens when it is thrown away. It is given as a single figure in kilograms of carbon dioxide equivalent (kg CO₂e) for a stated unit, such as one T-shirt or one kilogram of fabric.
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- Raw materials 16%
- Production 47%
- Packaging 4%
- Distribution 1%
- Use 30%
- End of life 3%
The short definition
Every product causes emissions long before it reaches a shelf: growing or extracting its materials, spinning, weaving, dyeing, cutting and sewing, packing and shipping. Some products keep causing emissions after they are sold, when they are washed, charged or heated, and again when they are landfilled, burned or recycled.
A product carbon footprint adds all of these up for one product. Buyers often shorten it to PCF. The different gases (carbon dioxide, methane, nitrous oxide and others) are converted into one unit, kg CO₂e, using the warming factors published by the IPCC, so a single number can be compared and passed along a supply chain.
Product footprint vs company footprint
A company footprint covers everything a business does in a year, split into Scope 1 (its own fuel), Scope 2 (the electricity it buys) and Scope 3 (its supply chain and products). A product footprint looks at one product across its whole life, wherever the emissions happen.
The two are connected. When a brand works out its Scope 3 emissions, the footprints of the products it buys are the most precise input it can get. That is why brands now ask their suppliers for them, product by product.
What a footprint is made of
Every footprint states its boundary: which life-cycle stages it covers. Cradle to gate stops when the product leaves the factory. Cradle to grave goes on through distribution, use and end of life. We explain the difference in cradle to gate vs cradle to grave.
It also states its unit (one piece, one pair, one kilogram), the data year it describes and the sources of every emission factor used. Without those, a number cannot be checked or compared.
- Raw materials
- Production
- Transport in
- Packaging
- Distribution
- Use
- End of life
Why buyers are asking now
Large brands and retailers report their supply-chain emissions and set targets to cut them. Generic estimates based on what they spend tell them little; product footprints from suppliers tell them where the emissions really are.
In the EU, the rules against vague environmental claims apply from 27 September 2026 (Directive (EU) 2024/825). Brands selling there need figures they can stand behind, and those figures start with their suppliers. We cover how to respond in how to answer a customer's carbon footprint request.
How big is a typical footprint?
It depends on the product. Across our catalogue, the median T-shirt comes to about 5.01 kg CO₂e over its whole life, a pair of jeans about 16.5 kg and a dress about 10.2 kg. These are screening estimates from listing data; see the T-shirt deep dive for what drives them.
You can look up any of the products in our catalogue of product footprints, each split by stage with its sources.
Questions
What unit is a product carbon footprint given in?
Kilograms of carbon dioxide equivalent (kg CO₂e) per stated unit of product, such as one piece, one pair or one kilogram.
Is a product carbon footprint the same as a life cycle assessment?
No. A life cycle assessment looks at many environmental impacts; a carbon footprint looks only at climate change. See our guide to carbon footprint vs LCA.
Which standard is used?
ISO 14067 sets the requirements for quantifying a product carbon footprint; the PACT methodology adds rules for sharing it between companies.