Product Carbon Footprint Calculator
Enter product type, material, packaging, manufacturing energy use and transport mode to quickly estimate a per-unit carbon footprint using a simplified EEIO plus material-factor model — not a formal LCA report.
FreeOnline Tool
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How to Use
- Select the product type (Electronics, Textile, Plastic, or Metal); the tool automatically pre-fills a typical primary material for that type.
- Enter the product weight (kg/unit) and choose the primary material (e.g. silicon, copper, aluminum, cotton, polyester, steel, aluminum alloy — 18 material factors are available).
- Enter the packaging weight (kg/unit) and choose the packaging material (Cardboard, Plastic PE, Plastic PP, or Wood).
- Enter the manufacturing energy use (kWh/unit) and set the grid emission factor (gCO2e/kWh, default 500 — for reference, China ≈ 500, EU ≈ 230, US ≈ 370).
- Select the transport mode (Sea, Air, Road, or Rail, each with a different emission factor) and enter the transport distance (km).
- The per-unit carbon footprint, the footprint per 1,000 units, a breakdown across materials/packaging/manufacturing/transport with percentage bars, and a tree-equivalent figure all update live — or click 'Load Sample Data' for a worked example.
Features
- Includes reference emission factors for 18 common materials (steel, aluminum, several plastics, glass, cotton, polyester, nylon, copper, silicon, wood, leather, rubber, etc.).
- Automatically suggests typical materials based on product type (Electronics, Textile, Plastic, Metal).
- Lets you set manufacturing energy use and adjust the grid emission factor to reflect different countries' electricity carbon intensity.
- Includes emission factors for 4 transport modes (Sea 15, Air 500, Road 80, Rail 30 gCO2e per ton-km).
- Outputs the total footprint per unit and per 1,000 units, broken down into materials/packaging/manufacturing/transport with percentage bars.
- Converts the total into an approximate number of trees' worth of annual CO2 absorption for an intuitive comparison.
- The page is explicitly labelled as a simplified estimation model, not a formal LCA report or EcoVadis audit.
Use Cases
Pre-check carbon footprint before exporting to the EU
Before shipping to carbon-sensitive markets like the EU, get a quick sense of the footprint's order of magnitude to decide whether a formal third-party LCA is needed.
Identify carbon hotspots in the supply chain
Use the materials/packaging/manufacturing/transport breakdown to find which stage contributes most to the footprint, as a starting point for reduction efforts.
Compare alternative materials
Switch the primary material (e.g. aluminum alloy vs. plastic PP) to see how the footprint changes, informing material-selection decisions.
Evaluate transport mode choices
Compare sea vs. air freight emissions over the same distance, useful when choosing a shipping method or explaining carbon impact to customers.
FAQ
Is this a formal LCA (Life Cycle Assessment) report?
No. The tool uses a simplified EEIO-plus-material-factor model for a quick estimate of the footprint's order of magnitude — it cannot replace a formal LCA report or EcoVadis audit data from a professional provider.
Where do the material emission factors come from?
The tool has built-in reference emission factors (kgCO2e/kg) for about 18 common materials such as steel, aluminum, plastics, glass and cotton, intended for quick estimation. These are not official published figures — formal projects should use verified supply-chain accounting data.
Why do I need to enter the grid emission factor myself?
Emissions from manufacturing energy depend on the local grid's carbon intensity, which varies widely by country. The tool provides reference values (China ≈ 500, EU ≈ 230, US ≈ 370 gCO2e/kWh) that you can adjust to match your actual production location.
How is the 'tree equivalent' figure calculated?
It's converted using a reference value of about 25 kg of CO2 absorbed per tree per year. It's meant purely as an intuitive comparison — actual absorption varies by tree species and growth stage.