LearningLemur supports a predefined set of units of measure, metric prefixes, and currencies for use in mathematical expressions. This article provides a complete reference of all supported units, prefixes, and currencies.
Units of measure
SI base units
Magnitude
Name
Symbol
Length
meter
m
Mass
kilogram
kg
Time
second
s
Electric current
ampere
A
Temperature
kelvin
K
Amount of substance
mole
mol
Luminous intensity
candela
cd
SI derived units
Magnitude
Name
Symbol
Plane angle
radian
rad
Solid angle
steradian
sr
Frequency
hertz
Hz
Force
newton
N
Pressure
pascal
Pa
Pressure
atmosphere
atm
Energy
joule
J
Energy
electronvolt
eV
Additional derived units
Magnitude
Name
Symbol
Power
watt
W
Voltage
volt
V
Capacitance
farad
F
Resistance
ohm
Ω
Charge
coulomb
C
Conductivity
siemens
S
Magnetic flux
weber
Wb
Magnetic field
tesla
T
Inductance
henry
H
Luminous flux
lumen
lm
Illuminance
lux
lx
Radioactivity
becquerel
Bq
Absorbed dose
gray
Gy
Equivalent dose
sievert
Sv
Catalytic activity
katal
Kat
Molar concentration
molar
M
Atomic mass
dalton
u
Units from other systems
Magnitude
Name
Symbol
Time
hour
h
Time
minute
min
Volume
liter
l
Pressure
bar
b
Force
kilopond
kp
Length
yard
yd
Length
foot
ft
Length
inch
in
Length
mile
mi
Length
nautical mile
nmi
Volume
gallon
gal
Mass
ounce
oz
Mass
pound
lb
Volume
fluid ounce
floz
Volume
pint
pt
Metric prefixes
Name
Symbol
Factor
Power
exa
E
10¹⁸
10¹⁸
peta
P
10¹⁵
10¹⁵
tera
T
10¹²
10¹²
giga
G
10⁹
10⁹
mega
M
10⁶
10⁶
kilo
k
10³
10³
hecto
h
10²
10²
deca
da
10¹
10¹
deci
d
10⁻¹
10⁻¹
centi
c
10⁻²
10⁻²
milli
m
10⁻³
10⁻³
micro
μ
10⁻⁶
10⁻⁶
nano
n
10⁻⁹
10⁻⁹
pico
p
10⁻¹²
10⁻¹²
femto
f
10⁻¹⁵
10⁻¹⁵
atto
a
10⁻¹⁸
10⁻¹⁸
Currencies
Symbol
Name
BTC
Bitcoin
$
Dollar
€
Euro
Fr
Franc
kr
Koruna / Krona / Krone
£
Pound
₽
Ruble
₹
Rupee
₩
Won
¥
Yen / Yuan
Notes
Units, prefixes, and currencies must be enabled in Question settings to be recognized
Prefixes apply multiplicatively to units
Currencies behave similarly to units but follow their own evaluation rules
