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Choose your estimation mode
Would you like a Quick Estimate or a Guided Estimate? Pick the one that matches the data you have available today.
Important: This tool provides indicative emissions estimates only. It does not provide audit-grade calculations, legal advice, formal compliance advice, assurance-ready reporting, or certified carbon accounting outputs. Formal reporting should be validated using current official emissions factors and professional advice.
Detailed • activity-based
Guided Estimate
Best for organisations with more detailed activity data. Uses structured inputs such as litres of fuel, electricity usage in kWh, gas usage, fleet details, supplier spend, travel activity, waste and other Scope 3 inputs.
