NYC DDC NYC Department of Sanitation

Sustainable Events Carbon Emissions Calculator

Estimate the carbon footprint of your next event in NYC and get a shareable report.

Event setup

Units:

Enter your event details to calculate its estimated carbon footprint. All inputs should reflect totals across the entire event, not a single day.

Name
Date
People people
Area ft²

Transportation

Usually the largest piece of an event's footprint. Enter totals across all days of the event.

Distance mi
Round-trips trips
Car0.297 kg/p-mi
34%
Transit0.093 kg/p-mi
17%
Bus0.066 kg/p-mi
5%
Walk / bikezero-emission
44%
Air long-haul 0.163 kg/p-mi
0%

Food & Drink

Enter the total number of meals served in each category across all days of the event.

Meals meals
Meals meals
Meals meals

Waste & Reuse

Enter the total weight of waste in each category across all days of the event. Skip any category you don't have data for.

Weight lb
Weight lb
Weight lb
Weight lb

Energy

Enter totals across all days of the event. If you can't get utility data from the venue, click "I don't know" for an estimate based on your event size. Skip any energy sources that are not applicable or unknown.

Energy kWh
Energy kWh
Volume gal
Volume gal

Venue & Material

For temporary structures, signage, cups, and packaging across the full event. Only fill in what applies to your event.

Quantity cups
Mass lb
Mass lb
Mass lb
Mass lb
Mass lb
Mass lb
Mass lb
Mass avoided lb
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Emission factors from EPA 2025, NYC Local Law 97, WRI Cool Food Pledge, Arup, and TRACE / isla 2025 (European reference, n=954). Benchmark is European, not NYC-specific.