Enter your details
kg CO₂e
persons
Calculation method
Per-person emissions = total annual CO₂e ÷ number of people.
Your result
Annual CO₂e per person
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Tonnes per person
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Total emissions
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People
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Daily per person
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Use a consistent population and accounting period. This is an allocation calculation, not a measurement of individual behavior.
How to use this calculator
What to enter
Enter or select the following as requested: Total annual emissions; Number of people. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The environmental or resource result is an estimate based on the activity quantities and factors entered or built into the tool. Emission factors, regional energy mixes, and local conditions can change the result; check the assumptions and reporting period.
When to use it
Use this to estimate resource use or compare scenarios. For formal reporting, use current region- and method-specific factors and document the assumptions.