Conversion Factors

You can convert the values from one unit of measure to another compatible unit of measure based on the conversion factors.

Energy Unit Conversion

Energy unit conversions are standard across all fuel types.

Information Source: U.S. National Institute of Standards and Technology

Table 1. Conversion Factors For Energy Units
Energy Units Multiplication Factor to Get kWh
kWh 1
GWh 1000000
MWh 1000
GJ 277.7777777
MJ 0.2777777777
kcal 0.00116222
MMBtu/MBtu 293.0710701
Therm 29.30710701
kBtu 0.29307107

Weight Conversions

Information Source: U.S. National Institute of Standards and Technology

Table 2. Conversion Factors For Weight
Weight Units Multiplication Factor in Kg
Kg 1
lbs 0.45359
Tonnes 1000
Short Tons 907.18474
Long Tons 1016.04700
g 0.00100

Volume Conversions

Information Source: U.S. National Institute of Standards and Technology

Table 3. Conversion Factors For Volume in m3
Volume Units Multiplication Factor to get m3
m3 1.0000000000
1000 m3 1000
ccf 2.83168
scf 0.0283168
Table 4. Conversion Factors For Volume
Volume Units Multiplication Factor to get Liter Multiplication Factor to get m3 Multiplication Factor to get Megaliters
Liters 1.000000000 0.001000000
US Gallon 3.785411818 0.003785412
UK Gallon 4.545918367 0.004545918
Kiloliters 1000.000000000 1.000000000
m3 1000.000000000 1.000000000 0.001000000

Other Conversion Constants

Information Source: U.S. National Institute of Standards and Technology

Table 5. Conversion Factors For Other Units
From Unit To Unit Multiplication Factor
L per hr G per hr 0.264172050
Miles km 1.60934
g Kg 0.001
Nautical miles Miles 1.15

To convert:

  • L per 100km to mpg

    mpg = 235.215 / (L per 100km)

  • mpg to L per 100km

    L per 100km = 235.215 / (mpg)

Area Conversions

Information Source: U.S. National Institute of Standards and Technology

Table 6. Conversion Factors For Area
From Unit To Unit Multiplication Factor
m2 sqft 10.76391042

Conversion Factors for Waste Generation

Here are the conversion factors for waste generation.

Table 7. Conversion Factors for Waste Generation
Unit/Waste Material Multiplication Factor
lb CO2e/lb Waste Material 1
kg CO2e/kg Waste Material 1
tCO2e/Long Ton Waste Material 0.98421
tCO2e/Metric Tonne Waste Material 1
tCO2e/Short Ton Waste Material 1.10231

Energy Conversions

Here are the conversion factors for Other Emissions Factor Set Item and Electricity Emissions Factor Set

Table 8. Conversion Factors For Energy
Co2, N2o, CH4 Emissions tCO2e/MWh tonnes/GWh kg/KWh (Stationary Asset Energy Use)
g/kWh 0.00100 1.00000000 0.00100000
g/MMBtu 0.0000034 0.00341214 0.0000034
kg/MMBtu 0.0034121 3.41214163 0.0034121
kg/GJ 0.0036000 3.60000000 0.0036000
kg/kWh 1 1000.00000000 1
kg/MJ 3.6000000010 3600.00000101 3.6000000010
tonnes/MWh 1 1000.00000000
tonnes/kWh 1000 1000000.00000000
Kg/MWh 0.001 1.00000000
lbs/MWh 0.00045 0.45359200
lbs / GWh 0.0000004536 0.00045359

Volume Conversions

Here are the conversion factors for Other Emissions Factor Set Item (Stationary Asset Energy Use, Vehicle Asset Energy Use, and Rental Car Energy Use)

Table 9. Conversion Factors For Volume
Unit/Fuel Type CO2 (Kg/km) CH4, N2O (kg/km) Jet Fuel (Kg/Gallon)
g/US gal 0.00026 0.00100 0.001
kg/L 1 3.785411818 3.78541
kg/US gal 0.264172050 1 1
g/L 0.00100 0.00379 0.003790
kg/kl 0.001000000 0.003785412 0.003785412
g/kl 0.0000010 0.000003785 0.000003785
g/km 0.001 0.001
g/miles 0.00062 0.00062
kg/miles 0.62137 0.62137

Calorific Value Conversions

Table 10. Conversion Factors For Calorific Values
Units Multiplication Factor to get kWh/m3
kWh/L 1000.000000000
kWh/m3 1
kWh/scf 35.3147248
MMBtu/gal 77421.1853797
MMBtu/scf 10349.7241955

Freight Hauling Conversions

Here are the conversion factors for Freight Hauling Energy Use.

Table 11. Conversion Factors For Frieght Hauling Values
Units Multiplication Factor to get kg/tonne-km
kg/tonne-km 1
g/ton-mi 0.00062

Other Emissions Factor Set Item Supplied Emission Factors

Here are the conversion factors for Stationary Asset Energy Use and Vehicle Asset Energy Use.

Table 12. Conversion Factors For Other Emissions Factor Set Item Supplied Emission Factors
Supplied Emissions Factor Unit Multiplication Factor for Stationary Fuel (tonnes/MWh) Multiplication Factor for Mobile Fuel/Jet Fuel (kg/Gal)
g/kWh 0.00100
g/MMBtu 0.0000034121
kg/kWh 1
kg/MJ 3.6000000010
kg/MMBtu 0.0034121
kg/GJ 0.0036000
g/US gal 0.00100
kg/L 3.785411818
kg/US gal 1
g/L 0.00379
tonnes/kl 0.264172050
tonnes/kWh 1000
tonnes/L 3785.411818000
tonnes/GJ 3.6000000
tonnes/MWh 1
tonnes/MMBtu 3.4121416