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diesel

liquid oil

Defaults to DESNZ 'Diesel (average biofuel blend)' (UK forecourt-representative). DESNZ also lists '100% mineral diesel' (density 830.565 kg/m³, NCV 43.027 GJ/tonne, 2.66155 kgCO2e/L) and 'Gas oil' (red/off-road diesel, 853.971 kg/m³, NCV 42.569 GJ/tonne, 2.75541 kgCO2e/L). IPCC 2006 Gas/Diesel Oil NCV 43.0 MJ/kg, CO2 74,100 kg/TJ. EIA US cross-check 10.19 kg CO2/gal — never averaged.

Emission factors

MetricValueScopeRegion / yearSource
CO22.53763 kg co2 per ldirect combustionUK · 2025
CO2e2.57082 kg co2e per ldirect combustionUK · 2025

CO₂ ≠ CO₂e — separate metrics, never converted into one another. Why? →

Worked example

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Converting
1 L · diesel

Energy

35.66 MJ
source-based
9.905 kWh
source-based
0.03566 GJ
source-based
33,800 BTU
source-based
37.91 MJ
source-based
10.53 kWh
source-based
0.03791 GJ
source-based
35,930 BTU
source-based

Mass

0.8324 kg
source-based

Volume

1,000 mL
exact
1 L
exact
0.001
exact
0.264172 US gal
exact
0.219969 imp gal
exact
0.00628981 bbl
exact

Emissions

~2.54 kg CO2
region + year
~2.57 kg CO2e
region + year

Energy density

42.84 MJ/kg
source-based
9.905 kWh/L
source-based

Assumptions

  • density: assumed diesel density 832.361 kg/m³ at 15 °C (fuel-properties basis)
  • heating value basis: energy on LHV/NCV basis, 9.905 kWh/L
  • heating value basis: energy on HHV/GCV basis, 10.531 kWh/L

Sources

Follow each source back to its primary document — that traceability is the point. How conversions work →

Sources

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© 2026 Universal Converter · v0.1 — an explanatory reference tool, not a compliance calculator. Sources over invented numbers · exact vs. estimate kept distinct.