Documentation/UN/CEFACT Common Codes

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Popular UN/CEFACT Common Codes for Units of Measurement

GoodRelations relies on the UN/CEFACT Common Codes for specifying the unit of measurement, in particular with gr:QuantitativeValue,

The normative list of all codes is available at


Note: The UN/CEFACT Common Code ‘‘‘C62‘‘‘ stands for "no unit".


For your convenience, this document includes a list of the most popular codes.

UN/CEFACT Common Code Unit of Measurement
28 kg/m²
2N dB
4H µm
4K
mA
4P N/m
A24 cd/m²
A86 GHz
A94 g/mol
B22 kA
B32 kg • m2
B43 kJ/(kg.K)
B49 kΩ
B61 lm/W
BAR bar
C16 mm/s
C24 mPa.s
C26 ms
C45 nm
C62 1
C65 Pa.s
C91 1/K
C94 min-1
CDL cd
CEL °C
CMQ cm³
CMT cm
D33 T
D52 W/K
D74 kg/mol
DAY d
DD °
E01 N/cm²
E32 l/h
FAR F
GM g/m²
GRM g
HTZ Hz
HUR h
KEL K
KGM kg
KGS kg/s
KHZ kHz
KL kg/m
KMQ kg/m³
KVT kV
KWT kW
L2 l/min
LTR l
LUM lm
LUX lx
MBR mbar
MHZ MHz
MIN min
MMK mm²
MMQ mm³
MMT mm
MPA MPa
MQH m3/h
MQS m³/s
MTK
MTQ
MTR m
MTS m/s
NEW N
NU N • m
NU N.m
OHM
P1  %
PAL Pa
SEC s
VLT V
WTT W