Overview
When entering data, simply select your preferred unit. The platform automatically converts your input to the base unit used for calculations and reporting — you never need to convert manually.
Scope 1 Emissions
Fugitive Emissions
Refrigerant usage: kg (also accepts: g, t, lb)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Manufacturing Fuels
Liquid: L, US Gallons (also accepts: m³, bbl)
Mixed: Tonnes, L, US Gal, kWh (also accepts: kg, g, MWh, GWh, GJ, MJ, TJ)
Gas: Tonnes, m³, kWh (also accepts: Mcf, MMcf, Bcf, MWh, GJ, dth, MMBTU)
Solid: Tonnes, kWh (also accepts: kg, kt, MWh, GJ, TJ)
Naphtha (special case): Tonnes, kWh (also accepts: kg, kt, MWh, GJ, TJ, L, m³, US Gallons)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Natural Gas
Natural gas consumption: kWh, m³, MWh (also accepts: GWh, GJ, MJ, TJ, dth, Mcf, MMcf, Bcf, MMBTU)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Commercial Vehicles
Fuel: L, US Gallons (also accepts: Tonnes, kWh, m³, bbl)
Distance: km, miles
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Company Cars
Fuel: L, US Gallons, Tonnes (also accepts: m³ and kWh)
Distance: km, miles
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Scope 2 Emissions
Electricity Usage
Consumption: kWh (also accepts: MWh, GWh, GJ, MJ, TJ, Wh)
Supplier-specific: kWh (also accepts: MWh, GWh, GJ, MJ, TJ)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Electric Company Cars & Electric Commercial Vehicles
Energy consumption: kWh (also accepts: MWh, Wh)
Distance: km, miles
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Steam, Heating and Cooling
On-site heat and steam: kWh, Wh, MWh, GWh, MJ, GJ, TJ
District heat and steam: kWh, Wh, MWh, GWh, MJ, GJ, TJ
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Scope 3 Emissions
Category 1 – Purchased Goods & Services / Cat 2 – Capital Goods
Volume: (Category 1 only) m³, ML (also accepts: L, hl, US Liquid Gallons)
Mass: Tonnes, kg (also accepts: g, kt, [Cat 1 food items only], Mt, lb)
Liquid (Cat 1 only): L (also accepts: ML, hl, m³, US Liquid Gallons)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Category 3 – Fuel & Energy Related Activities
Scope 3 fuel: kg CO₂-eq (also accepts: tCO₂e, ktCO₂e, MtCO₂e)
Category 4 – Upstream Transportation & Distribution / Cat 9 – Downstream Transportation
Fuel-based – liquid: L, US Gallons (also accepts: m³, bbl, MBbls)
Fuel-based – gas: Tonnes, m³, kWh (also accepts: Mcf, MMcf, Bcf, MWh, GJ, dth, GWh, MJ, TJ, MMBTU, kg, kt)
Distance-based: Tonne-km, km (also accepts: mi) km & miles apply to road freight only; flights, ships and rail accept Tonne-km only
Route-based: Tonnes, kg (also accepts: g, kt, lb, T)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Category 5 – Waste Generated in Operations
Solid waste: Tonnes (also accepts: kg, g, kt, Mt, lb, T)
Liquid waste: ML (also accepts: L, m³, US Liquid Gallons)
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Category 6 – Business Travel
Fuel-based: L, US Gal, Tonnes, kWh (also accepts: m³, kg, MWh, GJ)
In-work travel: km, miles
Hotel stays: Nights
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Category 7 – Employee Commuting
Fuel: L, US Gallons (also accepts: m³, ML)
Distance: km, miles
Home working: Hours
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Category 8 – Upstream Leased Assets
Direct entry: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Categories 10–15 – Other Scope 3
All of the following categories accept direct CO₂-equivalent entry only (except Category 11 – see below)
Cat 10 – Processing of sold products: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Cat 11 – Use of sold products also supports activity-based entry: Fuel (L, US Gallons, Tonnes, kWh, m³, bbl, kg, g, MWh, GWh, MJ, GJ, TJ, kt, Mcf, MMcf, Bcf, dth, MMBTU), Energy (Wh, kWh, MWh, GWh, MJ, GJ, TJ) and Refrigerant/mass (kg, g, Tonnes, lb) — in addition to direct CO₂-eq entry.
Cat 12 – End-of-life treatment: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Cat 13 – Downstream leased assets: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Cat 14 – Franchises: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Cat 15 – Investments: kg CO₂-eq, tCO₂e, ktCO₂e, MtCO₂e
Unit Conversion Reference
All conversions are applied automatically by the platform.
GHG Emissions (base: kg CO₂-eq): tCO₂e = 1,000 kg | ktCO₂e = 1,000,000 kg | MtCO₂e = 1,000,000,000 kg
Energy (base: kWh): Wh ÷ 1,000 | MWh × 1,000 | GWh × 1,000,000 | MJ × 0.277778 | GJ × 277.778 | TJ × 277,778 | MMBTU × 293.071 | dth × 293.071
Mass (base: kg): g ÷ 1,000 | t × 1,000 | kt × 1,000,000 | Mt × 1,000,000,000 | lb × 0.453592 | T (short ton) × 907.185
Volume (base: litres): hl × 100 | Ml × 1,000,000 | m³ × 1,000 | Mcf × 28,316.8 | MMcf × 28,316,800 | Bcf × 28,316,800,000 | gal × 3.78541 | bbl × 158.987 | MBbls × 158,987
Distance (base: km): mi × 1.60934 | nmi × 1.852
Units Not Supported & Why
The following units have been intentionally excluded:
gCO₂e (grams) A company emitting 100 tCO₂e would need to report 100,000,000 gCO₂e.
GtCO₂e (gigatonnes) Only used for national or global inventories, not corporate disclosures.
TWh (terawatt-hours) Relevant only for national grids or very large utilities; most companies report in MWh or GWh.
Mm³ (thousand cubic metres) Rarely needed; m³ and ML cover corporate requirements.
If your organisation requires a unit not currently listed, please contact our support team at support@keyesg.com