For more information on NeuroML 2 and LEMS see here.
Note: these descriptions have been updated to the latest NeuroML v2beta4 definitions, using the latest version of LEMS!

NeuroMLCoreDimensions

NeuroML2 ComponentType definitions from NeuroMLCoreDimensions.xml
Original LEMS ComponentType definitions: NeuroMLCoreDimensions.xml
Schema against which NeuroML based on these should be valid: NeuroML_v2beta4.xsd

 
area
L2

    Defined unit: cm2
    Defined unit: m2
    Defined unit: um2
 
capacitance
M-1 L-2 T4 I2

    Defined unit: F
    Defined unit: nF
    Defined unit: pF
    Defined unit: uF
 
charge
T1 I1

    Defined unit: C
 
charge_per_mole
T1 I1 N-1

    Defined unit: C_per_mol
    Defined unit: nA_ms_per_amol
 
concentration
L-3 N1

    Defined unit: M
    Defined unit: mM
    Defined unit: mol_per_cm3
    Defined unit: mol_per_m3
 
conductance
M-1 L-2 T3 I2

    Defined unit: S
    Defined unit: mS
    Defined unit: nS
    Defined unit: pS
    Defined unit: uS
 
conductanceDensity
M-1 L-4 T3 I2

    Defined unit: S_per_cm2
    Defined unit: S_per_m2
    Defined unit: mS_per_cm2
 
conductance_per_voltage
M-2 L-4 T6 I3

    Defined unit: S_per_V
    Defined unit: nS_per_mV
 
current
I1

    Defined unit: A
    Defined unit: nA
    Defined unit: pA
    Defined unit: uA
 
currentDensity
L-2 I1

    Defined unit: A_per_m2
    Defined unit: mA_per_cm2
    Defined unit: uA_per_cm2
 
idealGasConstantDims
M1 L2 T-2 K-1 N-1

    Defined unit: J_per_K_per_mol
 
length
L1

    Defined unit: cm
    Defined unit: m
    Defined unit: um
 
per_time
T-1

    Defined unit: Hz
    Defined unit: per_hour
    Defined unit: per_min
    Defined unit: per_ms
    Defined unit: per_s
 
per_voltage
M-1 L-2 T3 I1

    Defined unit: per_V
    Defined unit: per_mV
 
permeability
L1 T-1

    Defined unit: cm_per_ms
    Defined unit: cm_per_s
    Defined unit: m_per_s
    Defined unit: um_per_ms
 
resistance
M1 L2 T-3 I-2

    Defined unit: Mohm
    Defined unit: kohm
    Defined unit: ohm
 
resistivity
M2 L2 T-3 I-2

    Defined unit: kohm_cm
    Defined unit: ohm_cm
    Defined unit: ohm_m
 
rho_factor
L-1 T-1 I-1 N1

    Defined unit: mol_per_cm_per_uA_per_ms
    Defined unit: mol_per_m_per_A_per_s
 
specificCapacitance
M-1 L-4 T4 I2

    Defined unit: F_per_m2
    Defined unit: uF_per_cm2
 
substance
N1

    Defined unit: mol
 
temperature
K1

    Defined unit: K
    Defined unit: degC
 
time
T1

    Defined unit: hour
    Defined unit: min
    Defined unit: ms
    Defined unit: s
 
voltage
M1 L2 T-3 I-1

    Defined unit: V
    Defined unit: mV
 
volume
L3

    Defined unit: cm3
    Defined unit: litre
    Defined unit: m3
    Defined unit: um3
 
A
    Dimension: current
    Power of 10: 0

    1 A = 1000000000.0 nA
    1 A = 1000000.0 uA
    1 A = 1e+12 pA
 
A_per_m2
    Dimension: currentDensity
    Power of 10: 0

    1 A_per_m2 = 0.1 mA_per_cm2
    1 A_per_m2 = 100.0 uA_per_cm2
 
C
    Dimension: charge
    Power of 10: 0
 
C_per_mol
    Dimension: charge_per_mole
    Power of 10: 0

    1 C_per_mol = 1e-06 nA_ms_per_amol
 
F
    Dimension: capacitance
    Power of 10: 0

    1 F = 1000000000.0 nF
    1 F = 1e+12 pF
    1 F = 1000000.0 uF
 
F_per_m2
    Dimension: specificCapacitance
    Power of 10: 0

    1 F_per_m2 = 100.0 uF_per_cm2
 
Hz
    Dimension: per_time
    Power of 10: 0

    1 Hz = 3599.99999997 per_hour
    1 Hz = 59.999999988 per_min
    1 Hz = 1.0 per_s
    1 Hz = 0.001 per_ms
 
J_per_K_per_mol
    Dimension: idealGasConstantDims
    Power of 10: 0
 
K
    Dimension: temperature
    Power of 10: 0

    1 K = 0.0036476381543 degC
 
M
    Dimension: concentration
    Power of 10: 3

    1 M = 1000.0 mol_per_m3
    1 M = 0.001 mol_per_cm3
    1 M = 1000.0 mM
 
Mohm
    Dimension: resistance
    Power of 10: 6

    1 Mohm = 1000000.0 ohm
    1 Mohm = 1000.0 kohm
 
S
    Dimension: conductance
    Power of 10: 0

    1 S = 1e+12 pS
    1 S = 1000000000.0 nS
    1 S = 1000000.0 uS
    1 S = 1000.0 mS
 
S_per_V
    Dimension: conductance_per_voltage
    Power of 10: 0

    1 S_per_V = 1000000.0 nS_per_mV
 
S_per_cm2
    Dimension: conductanceDensity
    Power of 10: 4

    1 S_per_cm2 = 1000.0 mS_per_cm2
    1 S_per_cm2 = 10000.0 S_per_m2
 
S_per_m2
    Dimension: conductanceDensity
    Power of 10: 0

    1 S_per_m2 = 0.1 mS_per_cm2
    1 S_per_m2 = 0.0001 S_per_cm2
 
V
    Dimension: voltage
    Power of 10: 0

    1 V = 1000.0 mV
 
cm
    Dimension: length
    Power of 10: -2

    1 cm = 0.01 m
    1 cm = 10000.0 um
 
cm2
    Dimension: area
    Power of 10: -4

    1 cm2 = 0.0001 m2
    1 cm2 = 100000000.0 um2
 
cm3
    Dimension: volume
    Power of 10: -6

    1 cm3 = 0.001 litre
    1 cm3 = 1e-06 m3
    1 cm3 = 1e+12 um3
 
cm_per_ms
    Dimension: permeability
    Power of 10: 1

    1 cm_per_ms = 10000.0 um_per_ms
    1 cm_per_ms = 10.0 m_per_s
    1 cm_per_ms = 1000.0 cm_per_s
 
cm_per_s
    Dimension: permeability
    Power of 10: -2

    1 cm_per_s = 0.001 cm_per_ms
    1 cm_per_s = 10.0 um_per_ms
    1 cm_per_s = 0.01 m_per_s
 
degC
    Dimension: temperature
    Power of 10: 0
    Offset: 273.15

    1 degC = 274.15 K
 
hour
    Dimension: time
    Power of 10: 0
    Scale: 3600.0

    1 hour = 60.0 min
    1 hour = 3600.0 s
    1 hour = 3600000.0 ms
 
kohm
    Dimension: resistance
    Power of 10: 3

    1 kohm = 1000.0 ohm
    1 kohm = 0.001 Mohm
 
kohm_cm
    Dimension: resistivity
    Power of 10: 1

    1 kohm_cm = 1000.0 ohm_cm
    1 kohm_cm = 10.0 ohm_m
 
litre
    Dimension: volume
    Power of 10: -3

    1 litre = 0.001 m3
    1 litre = 1000.0 cm3
    1 litre = 1e+15 um3
 
m
    Dimension: length
    Power of 10: 0

    1 m = 100.0 cm
    1 m = 1000000.0 um
 
m2
    Dimension: area
    Power of 10: 0

    1 m2 = 10000.0 cm2
    1 m2 = 1e+12 um2
 
m3
    Dimension: volume
    Power of 10: 0

    1 m3 = 1000.0 litre
    1 m3 = 1000000.0 cm3
    1 m3 = 1e+18 um3
 
mA_per_cm2
    Dimension: currentDensity
    Power of 10: 1

    1 mA_per_cm2 = 1000.0 uA_per_cm2
    1 mA_per_cm2 = 10.0 A_per_m2
 
mM
    Dimension: concentration
    Power of 10: 0

    1 mM = 1.0 mol_per_m3
    1 mM = 1e-06 mol_per_cm3
    1 mM = 0.001 M
 
mS
    Dimension: conductance
    Power of 10: -3

    1 mS = 1000000000.0 pS
    1 mS = 1000000.0 nS
    1 mS = 1000.0 uS
    1 mS = 0.001 S
 
mS_per_cm2
    Dimension: conductanceDensity
    Power of 10: 1

    1 mS_per_cm2 = 10.0 S_per_m2
    1 mS_per_cm2 = 0.001 S_per_cm2
 
mV
    Dimension: voltage
    Power of 10: -3

    1 mV = 0.001 V
 
m_per_s
    Dimension: permeability
    Power of 10: 0

    1 m_per_s = 0.1 cm_per_ms
    1 m_per_s = 1000.0 um_per_ms
    1 m_per_s = 100.0 cm_per_s
 
min
    Dimension: time
    Power of 10: 0
    Scale: 60.0

    1 min = 0.0166666666667 hour
    1 min = 60.0 s
    1 min = 60000.0 ms
 
mol
    Dimension: substance
    Power of 10: 0
 
mol_per_cm3
    Dimension: concentration
    Power of 10: 6

    1 mol_per_cm3 = 1000000.0 mol_per_m3
    1 mol_per_cm3 = 1000000.0 mM
    1 mol_per_cm3 = 1000.0 M
 
mol_per_cm_per_uA_per_ms
    Dimension: rho_factor
    Power of 10: 11

    1 mol_per_cm_per_uA_per_ms = 1e+11 mol_per_m_per_A_per_s
 
mol_per_m3
    Dimension: concentration
    Power of 10: 0

    1 mol_per_m3 = 1e-06 mol_per_cm3
    1 mol_per_m3 = 1.0 mM
    1 mol_per_m3 = 0.001 M
 
mol_per_m_per_A_per_s
    Dimension: rho_factor
    Power of 10: 0

    1 mol_per_m_per_A_per_s = 1e-11 mol_per_cm_per_uA_per_ms
 
ms
    Dimension: time
    Power of 10: -3

    1 ms = 1.66666666667e-05 min
    1 ms = 2.77777777778e-07 hour
    1 ms = 0.001 s
 
nA
    Dimension: current
    Power of 10: -9

    1 nA = 1e-09 A
    1 nA = 0.001 uA
    1 nA = 1000.0 pA
 
nA_ms_per_amol
    Dimension: charge_per_mole
    Power of 10: 6

    1 nA_ms_per_amol = 1000000.0 C_per_mol
 
nF
    Dimension: capacitance
    Power of 10: -9

    1 nF = 1000.0 pF
    1 nF = 1e-09 F
    1 nF = 0.001 uF
 
nS
    Dimension: conductance
    Power of 10: -9

    1 nS = 1000.0 pS
    1 nS = 0.001 uS
    1 nS = 1e-09 S
    1 nS = 1e-06 mS
 
nS_per_mV
    Dimension: conductance_per_voltage
    Power of 10: -6

    1 nS_per_mV = 1e-06 S_per_V
 
ohm
    Dimension: resistance
    Power of 10: 0

    1 ohm = 0.001 kohm
    1 ohm = 1e-06 Mohm
 
ohm_cm
    Dimension: resistivity
    Power of 10: -2

    1 ohm_cm = 0.01 ohm_m
    1 ohm_cm = 0.001 kohm_cm
 
ohm_m
    Dimension: resistivity
    Power of 10: 0

    1 ohm_m = 100.0 ohm_cm
    1 ohm_m = 0.1 kohm_cm
 
pA
    Dimension: current
    Power of 10: -12

    1 pA = 0.001 nA
    1 pA = 1e-12 A
    1 pA = 1e-06 uA
 
pF
    Dimension: capacitance
    Power of 10: -12

    1 pF = 0.001 nF
    1 pF = 1e-12 F
    1 pF = 1e-06 uF
 
pS
    Dimension: conductance
    Power of 10: -12

    1 pS = 0.001 nS
    1 pS = 1e-06 uS
    1 pS = 1e-12 S
    1 pS = 1e-09 mS
 
per_V
    Dimension: per_voltage
    Power of 10: 0

    1 per_V = 0.001 per_mV
 
per_hour
    Dimension: per_time
    Power of 10: 0
    Scale: 0.00027777777778

    1 per_hour = 0.00027777777778 Hz
    1 per_hour = 0.0166666666635 per_min
    1 per_hour = 0.00027777777778 per_s
    1 per_hour = 2.7777777778e-07 per_ms
 
per_mV
    Dimension: per_voltage
    Power of 10: 3

    1 per_mV = 1000.0 per_V
 
per_min
    Dimension: per_time
    Power of 10: 0
    Scale: 0.01666666667

    1 per_min = 0.01666666667 Hz
    1 per_min = 60.0000000115 per_hour
    1 per_min = 0.01666666667 per_s
    1 per_min = 1.666666667e-05 per_ms
 
per_ms
    Dimension: per_time
    Power of 10: 3

    1 per_ms = 1000.0 Hz
    1 per_ms = 3599999.99997 per_hour
    1 per_ms = 59999.999988 per_min
    1 per_ms = 1000.0 per_s
 
per_s
    Dimension: per_time
    Power of 10: 0

    1 per_s = 1.0 Hz
    1 per_s = 3599.99999997 per_hour
    1 per_s = 59.999999988 per_min
    1 per_s = 0.001 per_ms
 
s
    Dimension: time
    Power of 10: 0

    1 s = 0.0166666666667 min
    1 s = 0.000277777777778 hour
    1 s = 1000.0 ms
 
uA
    Dimension: current
    Power of 10: -6

    1 uA = 1000.0 nA
    1 uA = 1e-06 A
    1 uA = 1000000.0 pA
 
uA_per_cm2
    Dimension: currentDensity
    Power of 10: -2

    1 uA_per_cm2 = 0.001 mA_per_cm2
    1 uA_per_cm2 = 0.01 A_per_m2
 
uF
    Dimension: capacitance
    Power of 10: -6

    1 uF = 1000.0 nF
    1 uF = 1000000.0 pF
    1 uF = 1e-06 F
 
uF_per_cm2
    Dimension: specificCapacitance
    Power of 10: -2

    1 uF_per_cm2 = 0.01 F_per_m2
 
uS
    Dimension: conductance
    Power of 10: -6

    1 uS = 1000000.0 pS
    1 uS = 1000.0 nS
    1 uS = 1e-06 S
    1 uS = 0.001 mS
 
um
    Dimension: length
    Power of 10: -6

    1 um = 0.0001 cm
    1 um = 1e-06 m
 
um2
    Dimension: area
    Power of 10: -12

    1 um2 = 1e-12 m2
    1 um2 = 1e-08 cm2
 
um3
    Dimension: volume
    Power of 10: -18

    1 um3 = 1e-15 litre
    1 um3 = 1e-18 m3
    1 um3 = 1e-12 cm3
 
um_per_ms
    Dimension: permeability
    Power of 10: -3

    1 um_per_ms = 0.0001 cm_per_ms
    1 um_per_ms = 0.001 m_per_s
    1 um_per_ms = 0.1 cm_per_s