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. |
|---|
| |
M |
|
|
|
|
|
| machine per unit |
|
MA |
3.9 |
Z |
1463 |
| magnetic tape |
|
M0 |
3.6C |
Z |
1275 |
| manmonth |
|
3C |
3.9 |
|
1515 |
| mass pound |
|
D98 |
3.1C |
Z |
1024 |
| mat |
|
MT |
3.3A |
|
1103 |
| maxwell |
Mx |
B65 |
3.5C |
X |
1240 |
| meal |
|
Q3 |
3.9 |
Z |
1532 |
| mega litre |
Ml |
MAL |
1M |
|
48 |
| megaampere per square metre |
MA/m² |
B66 |
1S |
|
424 |
| megabecquerel |
MBq |
4N |
1S |
|
748 |
| megabecquerel per kilogram |
MBq/kg |
B67 |
1S |
|
751 |
| megabyte |
|
4L |
3.6B |
|
1270 |
| megacoulomb |
MC |
D77 |
1S |
|
374 |
| megacoulomb per cubic metre |
MC/m³ |
B69 |
1S |
|
383 |
| megacoulomb per square metre |
MC/m² |
B70 |
1S |
|
390 |
| megaelectronvolt |
MeV |
B71 |
1S |
|
277 |
| megagram |
Mg |
2U |
1S |
|
146 |
| megagram per cubic metre |
Mg/m³ |
B72 |
1S |
|
164 |
| megagram per hour |
Mg/h |
2V |
3.8B |
Z |
1326 |
| megahertz |
MHz |
MHZ |
1S |
|
116 |
| megajoule |
MJ |
3B |
1S |
|
267 |
| megajoule per cubic metre |
MJ/m³ |
JM |
1M |
|
517 |
| megajoule per kilogram |
MJ/kg |
JK |
1S |
|
356 |
| megametre |
Mm |
MAM |
3.8A |
|
1323 |
| meganewton |
Mn |
B73 |
1S |
|
191 |
| meganewton metre |
MN.m |
B74 |
1S |
|
201 |
| megaohm |
M |
B75 |
1S |
|
465 |
| megaohm metre |
M.m |
B76 |
1S |
|
476 |
| megapascal |
MPa |
MPA |
1S |
|
214 |
| megasiemens per metre |
MS/m |
B77 |
1S |
|
483 |
| megavolt |
MV |
B78 |
1S |
|
405 |
| megavolt - ampere |
MV.A |
MVA |
1S |
|
500 |
| megavolt per metre |
MV/m |
B79 |
1S |
|
398 |
| megawatt |
MW |
MAW |
1S |
|
285 |
| |
|
|
|
|
492 |
| megawatt hour (1000 kW.h) |
MW.h |
MWH |
1S |
|
272 |
| mesh |
|
57 |
3.9 |
|
1509 |
| message |
|
NF |
3.9 |
Z |
1467 |
| message hour |
|
NH |
3.5C |
Z |
1214 |
| metre |
m |
MTR |
1 |
|
10 |
| |
|
|
|
|
125 |
| |
|
|
|
|
510 |
| |
|
|
|
|
564 |
| |
|
|
|
|
573 |
| |
|
|
|
|
580 |
| |
|
|
|
|
677 |
| |
|
|
|
|
709 |
| |
|
|
|
|
723 |
| |
|
|
|
|
784 |
| |
|
|
|
|
786 |
| |
|
|
|
|
788 |
| |
|
|
|
|
799 |
| |
|
|
|
|
879 |
| |
|
|
|
|
891 |
| |
|
|
|
|
895 |
| metre cubed |
m³ |
MTQ |
1 |
|
245 |
| metre kelvin |
m.K |
D18 |
1 |
|
534 |
| metre per minute |
m/min |
2X |
1M |
|
99 |
| metre per second |
m/s |
MTS |
1 |
|
95 |
| |
|
|
|
|
461 |
| |
|
|
|
|
514 |
| |
|
|
|
|
581 |
| |
|
|
|
|
584 |
| |
|
|
|
|
817 |
| metre per second squared |
m/s² |
MSK |
1 |
|
106 |
| |
|
|
|
|
582 |
| metre squared per second (square
metres/second US) |
m²/s |
S4 |
1 |
|
253 |
| metre to the fourth power |
m4 |
B83 |
1 |
|
243 |
| metric carat |
|
CTM |
3.5 |
X |
1257 |
| metric gross ton |
|
GT |
3.1C |
X |
1009 |
| metric horse power |
metric hp |
HJ |
2 |
X |
293 |
| metric long ton |
|
E5 |
3.1C |
Z |
1011 |
| metric net ton |
|
NT |
3.1C |
Z |
1010 |
| metric ton |
|
TNE |
3.1C |
Z |
1027 |
| mho |
|
NQ |
2 |
X |
472 |
| microampere |
µA |
B84 |
1S |
|
367 |
| micro-inch |
µin |
M7 |
2 |
|
28 |
| microbar |
µbar |
B85 |
1S |
|
225 |
| microcoulomb |
µC |
B86 |
1S |
|
377 |
| microcoulomb per cubic metre |
µC/m³ |
B87 |
1S |
|
387 |
| microcoulomb per square metre |
µC/m² |
B88 |
1S |
|
396 |
| microcurie |
µCi |
M5 |
2S |
|
743 |
| microfarad |
µF |
4O |
1S |
|
412 |
| microfarad per metre |
µF/m |
B89 |
1S |
|
417 |
| microfiche sheet |
|
G7 |
3.9 |
Z |
1493 |
| microgram |
µg |
MC |
1S |
|
135 |
| microgram per cubic meter |
µg/m³ |
GQ |
1M |
|
167 |
| microhenry |
µH |
B90 |
1S |
|
443 |
| microhenry per metre |
µH/m |
B91 |
1S |
|
452 |
| microlitre |
µl |
4G |
1M |
|
57 |
| micrometre (micron) |
µm |
4H |
1S |
|
13 |
| micromho |
|
NR |
2 |
X |
473 |
| micromole |
µmol |
FH |
1S |
|
622 |
| micronewton |
µN |
B92 |
1S |
|
194 |
| micronewton metre |
µN.m |
B93 |
1S |
|
204 |
| microohm |
µ |
B94 |
1S |
|
467 |
| microohm metre |
µ.m |
B95 |
1S |
|
480 |
| micropascal |
µPa |
B96 |
1S |
|
223 |
| microradian |
µrad |
B97 |
1S |
|
3 |
| microsecond |
µs |
B98 |
1S |
|
87 |
| microsiemens |
µS |
B99 |
1S |
|
471 |
| microtesla |
µT |
D81 |
1S |
|
434 |
| microvolt |
µv |
D82 |
1S |
|
409 |
| microvolt per metre |
µv/m |
C3 |
1S |
|
403 |
| microwatt |
µW |
D80 |
1S |
|
288 |
| |
|
|
|
|
496 |
| microwatt per square metre |
µW/m² |
D85 |
1S |
|
592 |
| mile (statute mile) |
mile |
SMI |
2 |
|
31 |
| mile per hour |
mile/h |
HM |
2 |
|
105 |
| milliampere |
mA |
4K |
1S |
|
366 |
| milli-inch |
mil |
77 |
2 |
|
32 |
| milliard |
|
MLD |
3.7A |
|
1291 |
| millibar |
mbar |
MBR |
1S |
|
219 |
| millicoulomb |
mC |
D86 |
1S |
|
375 |
| millicoulomb per cubic metre |
mC/m³ |
D88 |
1S |
|
386 |
| millicoulomb per kilogram |
mC/kg |
C8 |
1S |
|
845 |
| millicoulomb per square metre |
mC/m² |
D89 |
1S |
|
395 |
| millicurie |
mCi |
MCU |
2S |
|
742 |
| milliequivalence caustic potash per gram of
product |
|
KO |
3.9 |
|
1455 |
| millifarad |
mF |
C10 |
1S |
|
411 |
| milligal |
mGal |
C11 |
1M |
|
108 |
| milligram |
mg |
MGM |
1S |
|
143 |
| milligram per cubic metre |
mg/m³ |
GP |
1M |
|
163 |
| milligram per hour |
mg/h |
4M |
1M |
|
297 |
| milligram per kilogram |
|
NA |
3.7C |
Z |
1312 |
| milligram per metre |
mg/m |
C12 |
1S |
|
178 |
| milligram per square foot per side |
|
MF |
3.1C |
Z |
1016 |
| milligram per square inch |
mg/in² |
MK |
3.5 |
Z |
1244 |
| milligrams per litre |
mg/l |
M1 |
1M |
|
166 |
| milligrams per square metre |
mg/m² |
GO |
1 |
|
181 |
| milligray |
mGy |
C13 |
1S |
|
832 |
| millihenry |
mH |
C14 |
1S |
|
442 |
| millijoule |
mJ |
C15 |
1S |
|
268 |
| millilitre |
ml |
MLT |
1S |
|
53 |
| millilitre of water |
|
WW |
3.1C |
X |
1026 |
| millilitre per kilogram |
ml/kg |
KX |
1M |
|
174 |
| millilitre per minute |
ml/min |
41 |
1M |
|
303 |
| millilitre per second |
ml/s |
40 |
1M |
|
302 |
| millilitres per square centimetre second |
ml/(cm².s) |
35 |
1M |
|
946 |
| millimetre |
mm |
MMT |
1S |
|
14 |
| millimetre per second |
mm/s |
C16 |
1S |
|
97 |
| millimetre squared per second |
mm²/s |
C17 |
1S |
|
254 |
| millimole |
mmol |
C18 |
1S |
|
621 |
| millimole per kilogram |
mmol/kg |
D87 |
1S |
|
652 |
| millinewton |
mN |
C20 |
1S |
|
193 |
| millinewton metre |
mN.m |
D83 |
1S |
|
203 |
| millinewton per metre |
mN/m |
C22 |
1S |
|
259 |
| milliohm metre |
m.m |
C23 |
1S |
|
479 |
| million |
|
MIO |
3.7A |
|
1292 |
| million Btu per 1000 cubic feet |
MBTU/kft² |
M9 |
3.9 |
|
1464 |
| million BTUs |
|
BZ |
3.8B |
Z |
1324 |
| million cubic feet |
Mft³ |
FM |
3.8C |
Z |
1336 |
| million cubic metre |
Mm³ |
HMQ |
3.8A |
|
1318 |
| million international unit |
|
MIU |
3.7A |
|
1298 |
| million particle per cubic foot |
|
FD |
3.9 |
Z |
1439 |
| million unit |
|
UM |
3.8B |
Z |
1328 |
| millipascal |
mPa |
74 |
1S |
|
213 |
| millipascal second |
mPa.s |
C24 |
1S |
|
250 |
| milliradian |
mrad |
C25 |
1S |
|
2 |
| milliröntgen |
mR |
2Y |
2 |
|
847 |
| millisecond |
ms |
C26 |
1S |
|
86 |
| millisiemens |
mS |
C27 |
1S |
|
470 |
| millisievert |
mSv |
C28 |
1S |
|
836 |
| millitesla |
mT |
C29 |
1S |
|
433 |
| millivolt |
mv |
2Z |
1S |
|
408 |
| millivolt per kelvin |
mV/K |
D49 |
1S |
|
926 |
| millivolt per metre |
mv/m |
C30 |
1S |
|
402 |
| milliwatt |
mW |
C31 |
1S |
|
287 |
| |
|
|
|
|
495 |
| milliwatt per square metre |
mW/m² |
C32 |
1S |
|
591 |
| milliweber |
mWb |
C33 |
1S |
|
437 |
| minute |
' |
D61 |
1 |
|
5 |
| minute |
min |
MIN |
1 |
|
82 |
| MMSCF/day |
|
5E |
3.9 |
|
1512 |
| mole |
mol |
C34 |
1 |
|
619 |
| mole per cubic decimetre |
mol/dm³ |
C35 |
1S |
|
646 |
| mole per cubic metre |
mol/m³ |
C36 |
1 |
|
644 |
| mole per kilogram |
mol/kg |
C19 |
1 |
|
651 |
| mole per litre |
mol/l |
C38 |
1 |
|
645 |
| monetary value |
|
M4 |
3.9 |
Z |
1462 |
| month |
|
MON |
2 |
|
90 |
| mutually defined |
|
ZZ |
3.9 |
Z |
1486 |
Rec 20 | A-B | C-E | F-H | I-L | N-O | P-R | S-Z| Top
|