|
Legacy Units for Heat and Temperature |
||||
|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
[degF] |
degree Fahrenheit |
°F |
temperature |
no |
|
[degR] |
degree Rankine |
°R |
temperature |
no |
|
[degRe] |
degree Réaumur |
°Ré |
temperature |
no |
|
cal_[15] |
calorie at 15 °C |
cal15°C |
energy |
yes |
|
cal_[20] |
calorie at 20 °C |
cal20°C |
energy |
yes |
|
cal_m |
mean calorie |
calm |
energy |
yes |
|
cal_IT |
international table calorie |
calIT |
energy |
yes |
|
cal_th |
thermochemical calorie |
calth |
energy |
yes |
|
cal |
calorie |
cal |
energy |
yes |
|
[Cal] |
nutrition label Calories |
Cal |
energy |
no |
|
[Btu_39] |
British thermal unit at 39 °F |
Btu39°F |
energy |
no |
|
[Btu_59] |
British thermal unit at 59 °F |
Btu59°F |
energy |
no |
|
[Btu_60] |
British thermal unit at 60 °F |
Btu60°F |
energy |
no |
|
[Btu_m] |
mean British thermal unit |
Btum |
energy |
no |
|
[Btu_IT] |
international table British thermal unit |
BtuIT |
energy |
no |
|
[Btu_th] |
thermochemical British thermal unit |
Btuth |
energy |
no |
|
[BTU] |
British thermal unit |
btu |
energy |
no |
|
[HP] |
horsepower |
|
power |
no |
|
TEX |
tex |
tex |
linear mass density (of textile thread) |
yes |
|
[DEN] |
Denier |
den |
linear mass density (of textile thread) |
no |
|
Units Used Predominantly in Clinical Medicine |
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|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
m[H2O] |
meter of water column |
m H2O |
pressure |
yes |
|
m[Hg] |
meter of mercury column |
m Hg |
pressure |
yes |
|
[in_i'H2O] |
inch of water column |
in H2O |
pressure |
no |
|
[in_i'Hg] |
inch of mercury column |
in Hg |
pressure |
no |
|
[PRU] |
peripheral vascular resistance unit |
P.R.U. |
fluid resistance |
no |
|
[wood'U] |
Wood unit |
Wood U. |
fluid resistance |
no |
|
[diop] |
diopter |
dpt |
refraction of a lens |
no |
|
[p'diop] |
prism diopter |
PD |
refraction of a prism |
no |
|
%[slope] |
percent of slope |
% |
slope |
no |
|
[mesh_i] |
mesh |
|
lineic number |
no |
|
[Ch] |
Charrière, french |
Ch |
gauge of catheters |
no |
|
[drp] |
drop |
drp |
volume |
no |
|
[hnsf'U] |
Hounsfield unit |
HF |
x-ray attenuation |
no |
|
[MET] |
metabolic equivalent |
MET |
metabolic cost of physical activity |
no |
|
[hp'_X] |
homeopathic potency of decimal series (retired) |
X |
homeopathic potency (retired) |
no |
|
[hp'_C] |
homeopathic potency of centesimal series (retired) |
C |
homeopathic potency (retired) |
no |
|
[hp'_M] |
homeopathic potency of millesimal series (retired) |
M |
homeopathic potency (retired) |
no |
|
[hp'_Q] |
homeopathic potency of quintamillesimal series (retired) |
Q |
homeopathic potency (retired) |
no |
|
[hp_X] |
homeopathic potency of decimal hahnemannian series |
X |
homeopathic potency (Hahnemann) |
no |
|
[hp_C] |
homeopathic potency of centesimal hahnemannian series |
C |
homeopathic potency (Hahnemann) |
no |
|
[hp_M] |
homeopathic potency of millesimal hahnemannian series |
M |
homeopathic potency (Hahnemann) |
no |
|
[hp_Q] |
homeopathic potency of quintamillesimal hahnemannian series |
Q |
homeopathic potency (Hahnemann) |
no |
|
[kp_X] |
homeopathic potency of decimal korsakovian series |
X |
homeopathic potency (Korsakov) |
no |
|
[kp_C] |
homeopathic potency of centesimal korsakovian series |
C |
homeopathic potency (Korsakov) |
no |
|
[kp_M] |
homeopathic potency of millesimal korsakovian series |
M |
homeopathic potency (Korsakov) |
no |
|
[kp_Q] |
homeopathic potency of quintamillesimal korsakovian series |
Q |
homeopathic potency (Korsakov) |
no |
|
Units used in Chemical and Biomedical Laboratories |
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|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
eq |
equivalents |
eq |
amount of substance |
yes |
|
osm |
osmole |
osm |
amount of substance (dissolved particles) |
yes |
|
[pH] |
pH |
pH |
acidity |
no |
|
g% |
gram percent |
g% |
mass concentration |
yes |
|
[S] |
Svedberg unit |
S |
sedimentation coefficient |
no |
|
[HPF] |
high power field |
HPF |
view area in microscope |
no |
|
[LPF] |
low power field |
LPF |
view area in microscope |
no |
|
kat |
katal |
kat |
catalytic activity |
yes |
|
U |
Unit |
U |
catalytic activity |
yes |
|
[iU] |
international unit |
IU |
arbitrary |
yes |
|
[IU] |
international unit |
i.U. |
arbitrary |
yes |
|
[arb'U] |
arbitary unit |
arb. U |
arbitrary |
no |
|
[USP'U] |
United States Pharmacopeia unit |
U.S.P. |
arbitrary |
no |
|
[GPL'U] |
GPL unit |
|
biologic activity of anticardiolipin IgG |
no |
|
[MPL'U] |
MPL unit |
|
biologic activity of anticardiolipin IgM |
no |
|
[APL'U] |
APL unit |
|
biologic activity of anticardiolipin IgA |
no |
|
[beth'U] |
Bethesda unit |
|
biologic activity of factor VIII inhibitor |
no |
|
[anti'Xa'U] |
anti factor Xa unit |
|
biologic activity of factor Xa inhibitor (heparin) |
no |
|
[todd'U] |
Todd unit |
|
biologic activity antistreptolysin O |
no |
|
[dye'U] |
Dye unit |
|
biologic activity of amylase |
no |
|
[smgy'U] |
Somogyi unit |
|
biologic activity of amylase |
no |
|
[bdsk'U] |
Bodansky unit |
|
biologic activity of phosphatase |
no |
|
[ka'U] |
King-Armstrong unit |
|
biologic activity of phosphatase |
no |
|
[knk'U] |
Kunkel unit |
|
arbitrary biologic activity |
no |
|
[mclg'U] |
Mac Lagan unit |
|
arbitrary biologic activity |
no |
|
[tb'U] |
tuberculin unit |
|
biologic activity of tuberculin |
no |
|
[CCID_50] |
50% cell culture infectious dose |
CCID50 |
biologic activity (infectivity) of an infectious agent preparation |
no |
|
[TCID_50] |
50% tissue culture infectious dose |
TCID50 |
biologic activity (infectivity) of an infectious agent preparation |
no |
|
[EID_50] |
50% embryo infectious dose |
EID50 |
biologic activity (infectivity) of an infectious agent preparation |
no |
|
[PFU] |
plaque forming units |
PFU |
amount of an infectious agent |
no |
|
[FFU] |
focus forming units |
FFU |
amount of an infectious agent |
no |
|
[CFU] |
colony forming units |
CFU |
amount of a proliferating organism |
no |
|
[IR] |
index of reactivity |
IR |
amount of an allergen calibrated through in-vivo testing using the Stallergenes® method. |
no |
|
[BAU] |
bioequivalent allergen unit |
BAU |
amount of an allergen calibrated through in-vivo testing based on the ID50EAL method of (intradermal dilution for 50mm sum of erythema diameters |
no |
|
[AU] |
allergen unit |
AU |
procedure defined amount of an allergen using some reference standard |
no |
|
[Amb'a'1'U] |
allergen unit for Ambrosia artemisiifolia |
Amb a 1 U |
procedure defined amount of the major allergen of ragweed. |
no |
|
[PNU] |
protein nitrogen unit |
PNU |
procedure defined amount of a protein substance |
no |
|
[Lf] |
Limit of flocculation |
Lf |
procedure defined amount of an antigen substance |
no |
|
[D'ag'U] |
D-antigen unit |
|
procedure defined amount of a poliomyelitis d-antigen substance |
no |
|
[FEU] |
fibrinogen equivalent unit |
|
amount of fibrinogen broken down into the measured d-dimers |
no |
|
[ELU] |
ELISA unit |
|
arbitrary ELISA unit |
no |
|
[EU] |
Ehrlich unit |
|
Ehrlich unit |
no |
.
|
Levels NOTE Pseudo-units defined to express logarithms of ratios between two quantities of the same kind |
||||
|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
Np |
neper |
Np |
level |
yes |
|
B |
bel |
B |
level |
yes |
|
B[SPL] |
bel sound pressure |
B(SPL) |
pressure level |
yes |
|
B[V] |
bel volt |
B(V) |
electric potential level |
yes |
|
B[mV] |
bel millivolt |
B(mV) |
electric potential level |
yes |
|
B[uV] |
bel microvolt |
B(μV) |
electric potential level |
yes |
|
B[10.nV] |
bel 10 nanovolt |
B(10 nV) |
electric potential level |
yes |
|
B[W] |
bel watt |
B(W) |
power level |
yes |
|
B[kW] |
bel kilowatt |
B(kW) |
power level |
yes |
|
Miscellaneous Units |
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|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
st |
stere |
st |
volume |
yes |
|
Ao |
Ångström |
Å |
length |
no |
|
b |
barn |
b |
action area |
no |
|
att |
technical atmosphere |
at |
pressure |
no |
|
mho |
mho |
mho |
electric conductance |
yes |
|
[psi] |
pound per sqare inch |
psi |
pressure |
no |
|
circ |
circle |
circ |
plane angle |
no |
|
sph |
spere |
sph |
solid angle |
no |
|
[car_m] |
metric carat |
ctm |
mass |
no |
|
[car_Au] |
carat of gold alloys |
ctAu |
mass fraction |
no |
|
[smoot] |
Smoot |
|
length |
no |
|
[m/s2/Hz^(1/2)] |
meter per square seconds per square root of hertz |
|
amplitude spectral density |
no |
|
Units used in Information Science and Technology |
||||
|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
bit_s |
bit |
bits |
amount of information |
no |
|
bit |
bit |
bit |
amount of information |
yes |
|
By |
byte |
B |
amount of information |
yes |
|
Bd |
baud |
Bd |
signal transmission rate |
yes |
|
Examples for Non-Units |
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|
Symbol (c/s) |
Display Name |
Print Symbol |
Kind of Quantity |
Metric |
|
{tot} |
particles total count |
tot. |
number |
no |
|
{tbl} |
tablets |
tbl. |
number |
no |
|
{rbc} |
red blood cell count |
R.B.C. |
number |
no |
|
g.m/{H.B.} |
gram meter per heartbeat |
g·m/H.B. |
proportional to ventricular stroke work |
no |
|
gf.m/{H.B.} |
gram-force meter per heartbeat |
gf·m/H.B. |
ventricular stroke work |
no |
|
kg{wet'tis} |
kilogram of wet tissue |
kg(wet tissue) |
mass |
no |
|
mg{creat} |
milligram of creatinine |
mg(creat.) |
mass |
no |