Free tool
Advertising Emissions Calculator
Estimate the carbon footprint of a digital advertising campaign by channel, impression count, device mix, and region. Built on the Scope3 methodology and GMSF 1.2 emission factors.
Pick a channel below and answer a few quick questions — the calculator does the rest.
Estimate, not a compliance tool
Advertising Emissions Calculator
Pick the channel your campaign runs on, and we'll estimate the tonnes.
Pick a starting point
Powered by Claude + deterministic carbon math. The agent asks for the inputs and our code does the arithmetic.
Based on GHG Protocol methodology. Factors sourced from UK DEFRA / BEIS and US EPA (2023 updates). For business-scale emissions accounting, use our business calculator.