United States calculator
United States GHG emissions calculator
Work out your company's carbon footprint with official US government data (EPA), free and in about ten minutes. Built for businesspeople, not sustainability experts.
Local factor notes
What this country estimate uses
Uses EPA eGRID2023 U.S. total output CO2e electricity data for location-based Scope 2 estimates.
Use facility-level subregion factors or supplier data for formal reporting where available.
United States questions
01Do U.S. companies still need to calculate Scope 1 and Scope 2 emissions?
Many U.S. companies calculate them because customers, lenders, investors, or state rules ask for the data. This tool gives a first view, not a verified inventory.
02What if a customer asks for CDP climate questionnaire data but we are not legally required to report?
You can still prepare a practical response. Start with which sites and entities you counted, reporting year, Scope 1 and Scope 2 data, where the numbers came from, and a clear note on what is estimated.
03Should we use EPA electricity data or supplier electricity data?
Use documented supplier or regional data when you have it. The calculator uses EPA electricity data as the default because it is public and suitable for a first estimate.
04Does California climate disclosure affect non-California companies?
It can, depending on size, business links, and customer requirements. Treat this calculator as preparation for a data request, not as legal advice.
05What evidence should we keep for a customer supplier portal?
Keep utility bills, fuel receipts, fleet logs, refrigerant service records, travel exports, waste invoices, and a note explaining which sites and entities you counted and where the numbers came from.