Rec 20 | A-B | C-E | F-H | I-L | M | N-O | P-R | S-Z

Name	Representation Symbol	Common Code	Level Cat.	Use Id.	Cross ref.
I
Imperial gallon per minute	gal(UK)/min	G3	2		312
impression		IM	3.9	Z	1445
inch	in	INH	2		27
inch cubed	in³	INQ	2		246
inch per minute		IL	3.5	Z	1263
inch per second (linear speed)	in/s	IU	2		103
					102
inch per second squared (acceleration)	in/s2	IV	2		110
					111
inch pound (pound inch)	in.lb	IA	2		208
inch to the fourth power	in4	D69	2		244
inches of water		IF	3.1C	X	1005
insurance policy		IP	3.9	Z	1446
International Table (IT) calorie	calIT	D70	2	X	324
International Table (IT) calorie per gram	calIT/g	D75	2	X	359
International Table (IT) calorie per gram kelvin	calIT/(g.K)	D76	2	X	349
International Table (IT) calorie per second centimetre kelvin	calIT/(s.cm.K)	D71	2	X	332
International Table (IT) calorie per second square centimetre kelvin	calIT/(s.cm².K)	D72	2	X	335
J
jar		JR	3.3A		1101
joint		JO	3.9	Z	1448
joule	J	JOU	1		261
					321
					505
					515
					712
					736
					757
					829
					928
joule per cubic metre	J/m³	B8	1		458
					516
					586
joule per gram	J/g	D95	1S		355
joule per kelvin	J/K	JE	1		344
					353
					676
joule per kilogram	J/kg	J2	1		354
joule per kilogram kelvin	J/(kg.K)	B11	1		346
joule per metre	J/m	B12	1		800
					840
joule per metre squared	J/m²	B13	1		520
joule per metre to the fourth power	J/m4	B14	1		518
joule per mole	J/mol	B15	1		630
					632
					634
joule per mole kelvin	J/(mol.K)	B16	1		636
joule per square metre	J/m²	B13	1		774
joule second	J.s	B18	1		708
joule square metre	J.m²	D73	1		803
joule square metre per kilogram	J.m²/kg	B20	1		806
jug		JG	3.3A		1102
jumbo		JB	3.4B	Z	1153
K
keg		KG	3.3A		1070
kelvin	K	KEL	1		314
					905
kelvin per watt	K/W	B21	1		340
kiloampere	kA	B22	1S		365
kiloampere per square metre	kA/m²	B23	1S		427
kiloampere per metre	kA/m	B24	1S		429
kilobar	kbar	KBA	1M		220
kilobecquerel	kBy	2Q	1S		747
kilobecquerel per kilogram	kBq/kg	B25	1S		752
kilobyte		2P	3.6B		1271
kilocharacter		KB	3.9	Z	1452
kilocoulomb	kC	B26	1S		376
kilocoulomb per cubic metre	kC/m³	B27	1S		385
kilocoulomb per square metre	kC/m²	B28	1S		394
kilocurie	kCi	2R	2S		744
kiloelectronvolt	keV	B29	1S		279
kilogauss	kGs	78	3.5C	X	1239
kilogram	kg	KGM	1		138
					667
					695
					701
					942
kilogram decimal		KD	3.9	Z	1453
kilogram metre per second	kg.m/s	B31	1		187
kilogram metre squared	kg.m²	B32	1		189
kilogram metre squared per second	kg.m²/s	B33	1		188
kilogram named substance		KNS	3.1A	Z	953
kilogram of nitrogen		KNI	3.1A	Z	954
kilogram of phosphorus pentoxide (phosphoric anhydride)		KPP	3.1A	Z	955
kilogram of potassium hydroxide (caustic potash)		KPH	3.1A	Z	956
kilogram of potassium oxide		KPO	3.1A	Z	957
kilogram of sodium hydroxide (caustic soda)		KSH	3.1A	Z	958
kilogram of substance 90 % dry		KSD	3.1A	Z	959
kilogram of uranium		KUR	3.1A	Z	960
kilogram per air dry metric ton		32	3.5	Z	1246
kilogram per cubic decimetre	kg/dm³	B34	1S		165
kilogram per cubic metre	kg/m³	KMQ	1		156
					576
					642
kilogram per kilogram of product		3H	3.9	Z	1519
kilogram per litre	kg/l or kg/L	B35	1S		160
			1		643
			3.9	Z	1517
kilogram per metre	kg/m	KL	1		175
kilogram per millimetre width		KI	3.1C		992
kilogram per mole	kg/mol	D74	1		624
kilogram per piece of product		3I	3.9	Z	1520
kilogram per second	kg/s	KGS	1		296
kilogram per square centimeter		D5	2		235
kilogram per square metre	kg/m²	28	1M		184
			1		809
kilogram-force	kgf	B37	2	X	197
kilogram-force metre	kgf.m	B38	2	X	207
					282
kilogram-force metre per second	kgf.m/s	B39	2	X	292
kilogram-force per square metre	kgf/m²	B40	2	X	230
kilograms per millimeter	kg/mm	KW	1M		177
kilohertz	kHz	KHZ	1S		115
kilojoule	kJ	KJO	1S		262
kilojoule per kelvin	kJ/K	B41	1S		345
kilojoule per kilogram	kJ/kg	B42	1S		357
kilojoule per kilogram kelvin	kJ/(kg.K)	B43	1S		347
kilojoule per mole	kJ/mol	B44	1S		631
kilolitre	kl	K6	1M		58
kilolitre per hour	kl/h	4X	1M		306
kilometre	km	KMT	1S		16
kilometre per hour	km/h	KMH	1S		96
kilomole	kmol	B45	1S		620
kilomole per cubic metre	kmol/m³	B46	1S		647
kilonewton	kN	B47	1S		192
kilonewton metre	kN.m	B48	1S		202
kiloohm	k	B49	1S		466
kiloohm metre	k.m	B50	1S		477
kilopacket		KF	3.9	Z	1454
kilopascal	kPa	KPA	1S		216
kilopascal square metres per gram	kPa.m²/g	33	1M		944
kilopascals per millimetre	kPa/mm	34	1M		945
kilopond	kp	B51	2	X	198
kilopound per square inch	klb/in²	84	3.5	Z	1243
kiloröntgen	kR	KR	2		848
kilosecond	ks	B52	1S		85
kilosegment		KJ	3.6B		1272
kilosiemens	kS	B53	1S		469
kilosiemens per metre	kS/m	B54	1S		484
kilotonne	kt	KTN	1M		145
kilovar	kvar	KVR	1S		504
kilovolt	kV	KVT	1S		406
kilovolt - ampere	kV.A	KVA	1S		501
kilovolt ampere (reactive)		K5	1S		502
kilovolt ampere reactive demand		K2	3.5C	Z	1220
kilovolt ampere reactive hour		K3	3.5C	Z	1221
kilovolt per metre	kV/m	B55	1S		399
kilowatt	kW	KWT	1S		284
					327
					491
kilowatt demand		K1	3.5C		1219
kilowatt hour	kW.h	KWH	1S		273
kiloweber per metre	kWb/m	B56	1S		439
kit		KT	3.2B		1037
knot	kn	KNT	1		100
L
labour hour		LH	3.1B		971
large spray		LJ	3.9	Z	1387
layer		LR	3.9	Z	1460
leaf		LEF	3.5A		1174
length		LN	3.9	Z	1458
					1526
lift		05	3.9	Z	1388
lift van		Z1	3.4C	Z	1165
light year	l.y.	B57	2		33
linear centimetre		LC	3.1C	Z	1002
linear foot		LF	3.1C	Z	1003
linear inch		LI	3.1C	Z	1004
linear metre		LM	3.1C	Z	1007
linear yard		LY	3.1C	Z	1015
linear yard per pound		LX	3.1C	Z	1014
link		LK	3.9	Z	1457
liquid pint (US)	liq pt (US)	PTL	2		69
liquid pound		LP	3.1C		999
liquid quart (US)	liq qt (US)	QTL	2		70
lite		LE	3.9	Z	1456
litre	l	LTR	1		49
litre of pure alcohol		LPA	3.1A	Z	950
litre per day		LD	1M		304
litre per minute	l/min	L2	1M		307
litre per mole	l/mol	B58	1M		629
load		NL	3.4C		1161
locomotive count		1C	3.5C	Z	1198
locomotive mile		1K	3.5C	Z	1195
lot		LO	3.9	Z	1459
lug		Z5	3.9	Z	1491
lumen	lm	LUM	1		540
lumen hour	lm.h	B59	1S		542
lumen per square metre	lm/m²	B60	1		544
lumen per watt	lm/W	B61	1		548
lumen second	lm.s	B62	1		541
lump sum		LS	3.9	Z	1461
lux	lx	LUX	1		545
lux hour	lx.h	B63	1S		547
lux second	lx.s	B64	1		546

Rec 20 | A-B | C-E | F-H | M | N-O | P-R | S-Z| Top