Converts dimensionless quantity units such as percent, permile, ppm (parts per million) mU (miliuno) etc.

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Symbolic algebra

ⓘ Hint: This calculator supports symbolic math. You can enter numbers, but also symbols like a, b, pi or even whole math expressions such as (a+b)/2. If you still don't sure how to make your life easier using symbolic algebra check out our another page: Symbolic calculations

Inputs data - value and unit, which we're going to convert#

Value
Unit
Decimals

$1$ (percent) is equal to:#

popular#

Unit	Symbol	Symbol (plain text)	Value as symbolic	Value as numeric	Notes	Unit conversion formula
percent	Show source $\mathrlap{\it{/}}{^0}_{\,0}$	%	Show source $\text{...}$	-	Equvalent to one hundredth (1/100). Percents are very common in everyday life e.g. to express various financial data such as inflation rate, profit from bank deposit or to measure concentration of solutions. See the percentage calculator for more information. $1\% = \frac{1}{100} = 0.01$	Show source $...$
permil	Show source $\mathrlap{\it{/}}{^0}_{\,00}$	‰	Show source $\text{...}$	-	Equvalent to one thousandth (1/1000) or one tenth of percent (0.1%). Permils are used, among other, to express blood alcohol levels. $1\mathrlap{\it{/}}{^0}_{\,00} = \frac{1}{1000} = 0.001 = 0.1\%$	Show source $...$
basis point (permyriad)	Show source $\mathrlap{\it{/}}{^0}_{\,000}$	‱	Show source $\text{...}$	-	Equivalent to one ten-thousandth (1/10000) or one hundredth of a percent (0.01%). The basis point is often used to express small changes in financial values. $1\ bp = 1\mathrlap{\it{/}}{^0}_{\,000} = \frac{1}{10000} = 0.01\%$	Show source $...$

financial#

Unit	Symbol	Symbol (plain text)	Value as symbolic	Value as numeric	Notes	Unit conversion formula
basis point (permyriad)	Show source $\mathrlap{\it{/}}{^0}_{\,000}$	‱	Show source $\text{...}$	-	Equivalent to one ten-thousandth (1/10000) or one hundredth of a percent (0.01%). The basis point is often used to express small changes in financial values. $1\ bp = 1\mathrlap{\it{/}}{^0}_{\,000} = \frac{1}{10000} = 0.01\%$	Show source $...$
percentage in point	Show source $pip$	pip	Show source $\text{...}$	-	Alternative name for basis point used on currency markets (FOREX). See the basis point for more information. $1\ pip = 1\ bp = 1\mathrlap{\it{/}}{^0}_{\,000}$	Show source $...$
tick size (US bonds)	Show source $tick$	tick	Show source $\text{...}$	-	Equivalent to one thirty-second of percent (1/32 %). US tick is used to measure small price changes on financial markets in United States (e.g. prices of bonds, stocks or futures). $1\ \text{tick (US)} = \frac{1}{32}\%$	Show source $...$
tick size plus (US bonds)	Show source $tick+$	tick+	Show source $\text{...}$	-	Equivalent to one sixty-fourth of percent (1/64 %). US tick+ is used to measure small price changes on financial markets in United States (e.g. prices of bonds, stocks or futures). $1\ \text{tick+ (US)} = \frac{1}{64}\% = 2\ \text{tick (US)}$	Show source $...$

chemical#

Unit	Symbol	Symbol (plain text)	Value as symbolic	Value as numeric	Notes	Unit conversion formula
parts per thousand	Show source $ppth$	ppth	Show source $\text{...}$	-	Equivalent to one permil. It's the abbreviation for parts per thousand. See the permil unit for more information. $1\ ppth = 1\mathrlap{\it{/}}{^0}_{\,00} = \frac{1}{1000} = 0.1\% = 10^{-3}$	Show source $...$
parts per million	Show source $ppm$	ppm	Show source $\text{...}$	-	Unit used in chemistry to measure very small concentrations. It's the abbreviation for parts per million. The solution has concentration of one ppm if there is one part of substance (solute) per million parts of solution (mass, volume, molar etc.). $1\ ppm = \frac{1}{1\ 000\ 000} = 0.0001\% = 10^{-6}$	Show source $...$
parts per hundred million	Show source $pphm$	pphm	Show source $\text{...}$	-	Unit used in chemistry to measure very small concentrations. It's the abbreviation for parts per hundred million. The solution has concentration of one pphm if there is one part of substance (solute) per one hundred million parts of solution (mass, volume, molar etc.). $1\ pphm = \frac{1}{100\ 000\ 000} = 10^{-6}\ \% = 10^{-8}$	Show source $...$
parts per billion	Show source $ppb$	ppb	Show source $\text{...}$	-	Unit used in chemistry to measure very small concentrations. It's the abbreviation for parts per billion. The solution has concentration of one ppb if there is one part of substance (solute) per billion parts of solution (mass, volume, molar etc.). $1\ ppb = \frac{1}{1\ 000\ 000\ 000} = 10^{-9} = 10^{-7}\ \%$	Show source $...$
parts per trillion	Show source $ppt$	ppt	Show source $\text{...}$	-	Unit used in chemistry to measure very small concentrations. It's the abbreviation for parts per trillion. The solution has concentration of one ppt if there is one part of substance (solute) per trillion parts of solution (mass, volume, molar etc.). $1\ ppt = 10^{-12} = 10^{-10}\ \%$	Show source $...$
parts per quadrillion	Show source $ppq$	ppq	Show source $\text{...}$	-	Unit used in chemistry to measure very small concentrations. It's the abbreviation for parts per quadrillion. The solution has concentration of one ppq if there is one part of substance (solute) per quadrillion parts of solution (mass, volume, molar etc.). $1\ ppq = 10^{-15} = 10^{-13}\ \%$	Show source $...$

SI#

Unit	Symbol	Symbol (plain text)	Value as symbolic	Value as numeric	Notes	Unit conversion formula
yottauno	Show source $YU$	YU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One yottauno is equal to septylion of uno: $1\ YU= 10^{24}\ U$	Show source $...$
zettauno	Show source $ZU$	ZU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One zettauno is equal to sextillion of uno: $1\ ZU= 10^{21}\ U$	Show source $...$
exauno	Show source $EU$	EU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One exauno is equal to quintillion of uno: $1\ EU= 10^{18}\ U$	Show source $...$
petauno	Show source $PU$	PU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One petauno is equal to quadrillion of uno: $1\ PU= 10^{15}\ U$	Show source $...$
terauno	Show source $TU$	TU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One terauno is equal to trillion of uno: $1\ TU= 10^{12}\ U$	Show source $...$
gigauno	Show source $GU$	GU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One gigauno is equal to billion of uno: $1\ GU= 10^{9}\ U$	Show source $...$
megauno	Show source $MU$	MU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One megauno is equal to million of uno: $1\ MU=1000000\ U= 10^{6}\ U$	Show source $...$
kilouno	Show source $kU$	kU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One kilouno is equal to thausand of uno: $1\ kU=1000\ U= 10^{3}\ U$	Show source $...$
hektouno	Show source $hU$	hU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One hektouno is equal to hundred of uno: $1\ hU=100\ U= 10^{2}\ U$	Show source $...$
uno	Show source $U$	U	Show source $\text{...}$	-	Base dimensionless quantity unit in SI system.	Show source $...$
deciuno	Show source $dU$	dU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One deciuno is equal to one tenth of uno: $1\ dU=0.1\ U= 10^{-1}\ U$	Show source $...$
centiuno	Show source $cU$	cU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One centiuno is equal to one hundredth of uno: $1\ cU=0.01\ U= 10^{-2}\ U$	Show source $...$
miliuno	Show source $mU$	mU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One miliuno is equal to one thousandth of uno: $1\ mU=0.001\ U= 10^{-3}\ U$	Show source $...$
microuno	Show source $\mu U$	µU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One microuno is equal to one millionth of uno: $1\ \mu U=0.000001\ U= 10^{-6}\ U$	Show source $...$
nanouno	Show source $nU$	nU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One nanouno is equal to one billionth of uno: $1\ nU= 10^{-9}\ U$	Show source $...$
pikouno	Show source $pU$	pU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One pikouno is equal to one trillionth of uno: $1\ pU= 10^{-12}\ U$	Show source $...$
femtouno	Show source $fU$	fU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One femtouno is equal to one quadrillionth of uno: $1\ fU= 10^{-15}\ U$	Show source $...$
attouno	Show source $aU$	aU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One attouno is equal to one quintillionth of uno: $1\ aU= 10^{-18}\ U$	Show source $...$
zeptouno	Show source $zU$	zU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One zeptouno is equal to one sextillionth of uno: $1\ zU= 10^{-21}\ U$	Show source $...$
yoctouno	Show source $yU$	yU	Show source $\text{...}$	-	Derived dimensionless quantity unit in SI system. One yoctouno is equal to one septillionth of uno: $1\ yU= 10^{-24}\ U$	Show source $...$

Some facts#

The basic unit for expressing dimensionless quantities in the SI system is one uno:

$1 U = 1 = \dfrac{1}{1} = 100 \%$
In practice, however, SI units are rarely used for this purpose in favor of traditional units, often developed for the needs of a given field, e.g.:
- percent ( $\mathrlap{\it{/}}{^0}_{\,0}$ ) - equal to one hundredth of the whole ( $\frac{1}{100}$ ), used in many fields such as finance (e.g. interest rate on deposits) or chemistry (e.g. concentration of solutions), you can find more about percentages in our other calculator: Percentage
- permile ( $\mathrlap{\it{/}}{^0}_{\,00}$ ) - equal to one thousandth of the whole ( $\frac{1}{1000}$ ), used, for example, when determining the alcohol concentration in the blood,
- basis point ( $\mathrlap{\it{/}}{^0}_{\,000}$ ) - equal to one ten-thousandth of the whole ( $\frac{1}{10000}$ ), used in economics and accounting,
- pip (percentage in point) - equal to one ten-thousandth of the whole ( $\frac{1}{10000}$ ), used to determine the change in exchange rates on foreign exchange markets (so-called FOREX),
- tick size - equal to one thirty-second ( $\frac{1}{32}\%$ ) or one six-quarter ( $\frac{1}{64}\%$ , so-called tick plus) of the percent, used when determining fluctuations bond rates on the US stock exchange,
- ppm (parts per million) - equal to one millionth of the total ( $\frac{1}{1000000}$ ), used in the natural sciences to determine very small concentrations, analogous units are also used such as ppb (parts per billion), ppq (parts per quantillion) etc.

How to convert#

Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
Examples:
- 1000000
- 123,23
- 999.99999
Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.