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Calculations

How to Calculate Scope 1 Emissions

Step-by-Step Process

  1. 1

    Identify all Scope 1 sources: gas boilers, furnaces, company vehicles, refrigerants

  2. 2

    Collect consumption data: kWh of gas, litres of diesel, kg of refrigerant

  3. 3

    Apply UK Government conversion factors for each fuel type

  4. 4

    Sum all sources to get total Scope 1 in tonnes CO2e

  5. 5

    Document methodology and data sources

Key Formulas

Fuel (litres) × Conversion Factor = kg CO2eGas (kWh) × 0.183 kg CO2e/kWh = kg CO2e

Common Mistakes to Avoid

  • Using wrong units (mixing kWh and litres)
  • Forgetting refrigerant leaks
  • Not including grey fleet if owned
  • Using outdated conversion factors

Tools & Resources

  • ComplyCarbon calculator
  • UK Government conversion factors
  • Energy supplier bills
  • Fuel card records

Automate Your Calculations

ComplyCarbon handles all these calculations automatically with built-in UK Government conversion factors.

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