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# Fuel Efficiency (Volume) Unit Converter

Last updated: Saturday, April 29, 2023

Fuel efficiency based on volume can also be expressed in units of joules per liter (J/L), which is a measure of the amount of energy produced by a fuel per unit of volume. This measure is often used in scientific and engineering contexts to compare the energy content of different fuels.

Here are a few examples of fuel efficiency based on volume in real-life situations using the joules per liter unit:

Gasoline: Gasoline has an energy density of about 34-36 megajoules per liter (MJ/L). Therefore, a car that gets 10 km/L and uses gasoline as fuel is consuming about 3.4-3.6 MJ per kilometer.

Diesel: Diesel has a higher energy density than gasoline, typically around 38-40 MJ/L. A diesel car that gets 8 km/L is consuming about 4.75-5 MJ per kilometer.

Ethanol: Ethanol has a lower energy density than gasoline or diesel, typically around 23-28 MJ/L. Therefore, a car that gets 8 km/L and uses ethanol as fuel is consuming about 2.9-3.5 MJ per kilometer.

Fuel efficiency based on energy content is important for understanding the performance of vehicles and other equipment that use liquid fuels.

The SI unit of Fuel Efficiency (Volume) is joule / cubic meter [ J / m3 ]
Total number of units: base units (12) - derived units (5,280)
Total possible conversions: base units (132) - derived units (27,873,120)
Prefix       Base unit
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$$1.0\left(\dfrac{joule}{cubic \text{ } meter}\right)={\color{rgb(20,165,174)} x}\left(\dfrac{joule}{cubic \text{ } meter}\right)$$
yocto
[ y ]
zepto
[ z ]
atto
[ a ]
femto
[ f ]
pico
[ p ]
nano
[ n ]
micro
[ µ ]
milli
[ m ]
centi
[ c ]
deci
[ d ]
one
[ _ ]
deca
[ da ]
hecto
[ h ]
kilo
[ k ]
mega
[ M ]
giga
[ G ]
tera
[ T ]
peta
[ P ]
exa
[ E ]
zetta
[ Z ]
yotta
[ Y ]
* hover over and scroll to see more units
BTU / cubic foot
[ BTU / ft3 ]
international
BTU / cubic foot
[ BTU / ft3 ]
ISO
BTU / cubic meter
[ BTU / m3 ]
international
BTU / cubic meter
[ BTU / m3 ]
ISO
BTU / cubic mile
[ BTU / mi3 ]
ISO
BTU / cubic mile
[ BTU / mi3 ]
international
BTU / liter
[ BTU / l ]
ISO
BTU / liter
[ BTU / l ]
international
joule / cubic foot
[ J / ft3 ]
joule / cubic meter
[ J / m3 ]
joule / cubic mile
[ J / mi3 ]
joule / liter
[ J / l ]
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