Embodied Carbon Estimator
Screen the cradle-to-gate (A1-A3) carbon of a steel package and compare two supply routes or EPDs, per tonne and per m² of floor area.
Inputs
DIMENSIONS IN mm
- worldsteel, Sustainability Indicators Report 2025 (2024 data): CO₂ intensity by production route, t CO₂ / t crude steel
- EN 15804:2012+A2:2019, EPD core rules, modules A1-A3
- EN 15978:2011, Assessment of environmental performance of buildings
Limits of this tool. Screening estimate for early-stage comparison. Project carbon reporting must use the specific EPDs of the supplied products and a recognised assessment method (EN 15978 / RICS WLCA).
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