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Calculation method
Annual household emissions are the sum of each annual activity multiplied by its emission factor; per-person = total ÷ household size.
Your result
How to use this calculator
What to enter
Enter or select the following as requested: People in household; Electricity per month; Electricity factor; Natural gas per month; Gas factor; Vehicle travel/year; Vehicle factor; Flights/year. 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.