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Supported Simulink Units and Systems

List of supported Simulink® units, unit prefixes, and unit systems. Common alternate names for units are supported and map to the names listed here. Plurals are not supported.

For more information, type showunitslist at the MATLAB® command line.

International System of Units (SI) Units

NameSymbolASCII SymbolPhysical Quantity
metermmlength
gramggmass
secondsstime
ampereAAelectric_current
kelvinKKthermodynamic_temperature
delta_kelvinΔKdeltaKtemperature_difference
molemolmolamount_of_substance
candelacdcdluminous_intensity
one11dimensionless
bitbbmemory
byteBBmemory
degree_CelsiusdegCthermodynamic_temperature
newtonNNforce
radianradradplane_angle
steradiansrsrsolid_angle
hertzHzHzfrequency
jouleJJenergy
wattWWpower
voltVVelectric_potential_difference
coulombCCelectric_charge
faradFFcapacitance
ohmΩOhmelectric_resistance
siemensSSelectric_conductance
weberWbWbmagnetic_flux
teslaTTmagnetic_flux_density
henryHHinductance
pascalPaPapressure
percent%%dimensionless
lumenlmlmluminous_flux
luxlxlxilluminance
becquerelBqBqactivity_of_a_radionuclide
grayGyGyabsorbed_dose
sievertSvSvdose_equivalent
ktalkatkatcatalytic_activity

English Unit System

NameSymbolASCII SymbolPhysical Quantity
secondsstime
one11dimensionless
bitbbmemory
byteBBmemory
inchininlength
milmilmillength
footftft lengthlength
foot_US_surveyft_usft_uslength
milemimilength
mile_US_statutemi_usmi_uslength
nautical_mileMMlength
yardydydlength
rankine°RdegRthermodynamic_temperature
delta_rankineΔ°RdeltadegRtemperature_difference
gallon_USgalgalvolume
bushel_USbu_USbu_USvolume
peck_USpk_USpk_USvolume
gallon_imperialigaligalvolume
bushel_imperialbu_ibu_ivolume
peck_imperialpk_ipk_ivolume
register_tonRTRTtonnage
measurement_ton_USton_measurement_USton_measurement_UStonnage
English_water_tonton_English_waterton_English_watertonnage
pound_masslbmlbmmass
short_tontntnmass
long_tonton_longton_longmass
hundredweight_longcwt_longcwt_longmass
hundredweight_shortcwt_shortcwt_shlrtmass
stoneststmass
graingrgrmass
pennyweightdwtdwtmass
dramdrdrmass
ounceozozmass
pound_forcelbflbfforce
slugslugslugmass
kipkipkipforce
poundalpdlpdlforce
minuteminmintime
hourhhtime
dayddtime
radianradradplane_angle
degreedegdegplane_angle
revolutionrefrefplane_angle
half_revolutionhalfrevhalfrevplane_angle
arcminutearcminarcminplane_angle
arcsecondarcsecarcsecplane_angle
steradiansrsrsolid_angle
mile_per_hourmphmphvelocity
foot_per_minutefpmfpmvelocity
foot_per_secondfpsfpsvelocity
knotknknvelocity
revolution_per_minuterpmrpmacceleration
hertzHzHzenergy
geegngnenergy
British_thermal_unit_ITBtu_ITBtu_ITpower
British_thermal_unit_thBtu_thBtu_thpower
horsepower_DINHP_DINHP_DINpower
horsepower_electricHP_elecHP_elecpower
horsepower_UKHP_UKHP_UKpower
horsepower_mechanicalHP_mechHP_mechpower
voltVVelectric_potential_difference
coulombCCelectric_charge
fardFFcapacitance
ohmΩOhmelectric_resistance
siemensSSelectric_resistance
veberWbWbelectric_conductance
teslaTTmagnetic_flux_density
henryHHinductance
gallon_per_minutegpmgpmvolume_flow_rate
pound_per_square_inchpsipsipressure
pound_per_square_inch_absolutepsiapsiaabsolute_pressure
pound_per_square_inch_gagepsigpsiggage_pressure
pound_per_square_footpsfpsfpressure
kip_per_square_inchksiksipressure
kip_per_square_footksfksfpressure
inches_of_mercuryinHginHgpressure
atmosphereatmatmpressure
reynreynreyndynamic_viscosity
newtnewtnewtkinematic_viscosity
degree_FahrenheitdegFthermodynamic_temperature
acreacacarea
acre_internationalac_intac_intarea
rodrdrdlength
furlongfurfurlength
fortnightfortnightfortnighttime
mile_per_gallonmpgmpgfuel_efficiency:economy
percent%%dimensionless
part_per_millionppmppmdimensionless
part_per_billionppbppbdimensionless
part_per_trillionpptpptdimensionless
strainstrainstrainstrain
Reynolds_numberReReReynolds_number
Prandtl_numberPrPrPrandtl_number
curieCiCiactivity_of_a_radionuclide
roentgenRRexposure
remremremdose_equivalent
beaufort_wind_scalebeaufortbeaufortwind_scale

SI (Extended) Unit System

The SI (extended) unit system consists of International System of Units (SI) Units plus the contents of this table.

NameSymbolASCII SymbolPhysical Quantity
speed_of_lightc0c0velocity
daltonDaDamass
electron_massmememass
metric_tonttmass
bohra0a0length
nautical_mileMMlength
literLLvolume
minuteminmintime
hourhhtime
dayddtime
degreedegdegplane_angle
revolutionrefrefplane_angle
arcminutearcminarcminplane_angle
arcsecondarcsecarcsecplane_angle
knotknknvelocity
revolution_per_minuterpmrpmangular_velocity
geegngnacceleration
kilogram_forcekgfkgfforce
hartreeEhEhenergy
calorie_ITcal_ITcal_ITenergy
calorie_thcal_thcal_thenergy
elementary_chargeeeenergy
electronvolteVeVelectric_charge
liter_per_minutelpmlpmvolume_flow_rate
barbarbarpressure
millimeters_of_mercurymmHgmmHgpressure
reduced_Planck_constantħh_baraction
astronomical_unitauaulength
light_yearlylylength
liter_per_100kmL_100kmL_100kmfuel_efficiency:consumption
part_per_millionppmppmdimensionless
part_per_billionppbppbdimensionless
part_per_trillionpptpptdimensionless
strainstrainstrainstrain
Reynolds_numberReReReynolds_number
Prandtl_numberPrPrPrandtl_number
ångstrӧmǺanglength
countcountcountdimensionless
curieCiCiactivity_of_a_radionuclide
roentgenRRexposure
remremremdose_equivalent

Centimetre-gram-second System of Units (CGS) System

NameSymbolASCII SymbolPhysical Quantity
metermmlength
gramggmass
secondsstime
one11dimensionless
bitbbmemory
byteBBmemory
dynedyndynforce
radianradradplane_angle
steradiansrsrsolid_angle
hertzHzHzfrequency
ergergergenergy
gaussGGmagnetic_flux_density
poisePPdynamic_viscosity
stokesStStkinematic_viscosity
percent%%dimensionless

See Also

Topics