Dimensionless quantities converter
Converts dimensionless quantity units such as percent, permile, ppm (parts per milion) mU (miliuno) etc.

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

Value
Unit
Decimals

1 (percent) is equal to:

popular

UnitSymbolSymbol
(plain text)
ValueNotes
percentShow source/00\mathrlap{\it{/}}{^0}_{\,0}%1-
permilShow source/000\mathrlap{\it{/}}{^0}_{\,00}10-
basis point (permyriad)Show source/0000\mathrlap{\it{/}}{^0}_{\,000}100-

financial

UnitSymbolSymbol
(plain text)
ValueNotes
basis point (permyriad)Show source/0000\mathrlap{\it{/}}{^0}_{\,000}100-
percentage in pointShow sourcepippippip100-
tick size (US bonds)Show sourcetickticktick32-
tick size plus (US bonds)Show sourcetick+tick+tick+64-

chemical

UnitSymbolSymbol
(plain text)
ValueNotes
parts per thousandShow sourceppthppthppth10-
parts per millionShow sourceppmppmppm10000-
parts per hundred millionShow sourcepphmpphmpphm1000000-
parts per billionShow sourceppbppbppb10000000-
parts per trillionShow sourcepptpptppt10000000000-
parts per quadrillionShow sourceppqppqppt1×1013-

SI

UnitSymbolSymbol
(plain text)
ValueNotes
yottaunoShow sourceYUYUYU1×10-26Derived dimensionless quantity unit in SI system. One yottauno is equal to septylion of uno: 1 YU=1024 U1\ YU= 10^{24}\ U
zettaunoShow sourceZUZUZU1×10-23Derived dimensionless quantity unit in SI system. One zettauno is equal to sextillion of uno: 1 ZU=1021 U1\ ZU= 10^{21}\ U
exaunoShow sourceEUEUEU1×10-20Derived dimensionless quantity unit in SI system. One exauno is equal to quintillion of uno: 1 EU=1018 U1\ EU= 10^{18}\ U
petaunoShow sourcePUPUPU1×10-17Derived dimensionless quantity unit in SI system. One petauno is equal to quadrillion of uno: 1 PU=1015 U1\ PU= 10^{15}\ U
teraunoShow sourceTUTUTU1×10-14Derived dimensionless quantity unit in SI system. One terauno is equal to trillion of uno: 1 TU=1012 U1\ TU= 10^{12}\ U
gigaunoShow sourceGUGUGU1×10-11Derived dimensionless quantity unit in SI system. One gigauno is equal to billion of uno: 1 GU=109 U1\ GU= 10^{9}\ U
megaunoShow sourceMUMUMU1×10-8Derived dimensionless quantity unit in SI system. One megauno is equal to million of uno: 1 MU=1000000 U=106 U1\ MU=1000000\ U= 10^{6}\ U
kilounoShow sourcekUkUkU0.00001Derived dimensionless quantity unit in SI system. One kilouno is equal to thausand of uno: 1 kU=1000 U=103 U1\ kU=1000\ U= 10^{3}\ U
hektounoShow sourcehUhUhU0.0001Derived dimensionless quantity unit in SI system. One hektouno is equal to hundred of uno: 1 hU=100 U=102 U1\ hU=100\ U= 10^{2}\ U
unoShow sourceUUU0.01Base dimensionless quantity unit in SI system.
deciunoShow sourcedUdUdU0.1Derived dimensionless quantity unit in SI system. One deciuno is equal to one tenth of uno: 1 dU=0.1 U=101 U1\ dU=0.1\ U= 10^{-1}\ U
centiunoShow sourcecUcUcU1Derived dimensionless quantity unit in SI system. One centiuno is equal to one hundredth of uno: 1 cU=0.01 U=102 U1\ cU=0.01\ U= 10^{-2}\ U
miliunoShow sourcemUmUmU10Derived dimensionless quantity unit in SI system. One miliuno is equal to one thousandth of uno: 1 mU=0.001 U=103 U1\ mU=0.001\ U= 10^{-3}\ U
microunoShow sourceμU\mu UµU10000Derived dimensionless quantity unit in SI system. One microuno is equal to one millionth of uno: 1 μU=0.000001 U=106 U1\ \mu U=0.000001\ U= 10^{-6}\ U
nanounoShow sourcenUnUnU10000000Derived dimensionless quantity unit in SI system. One nanouno is equal to one billionth of uno: 1 nU=109 U1\ nU= 10^{-9}\ U
pikounoShow sourcepUpUpU10000000000Derived dimensionless quantity unit in SI system. One pikouno is equal to one trillionth of uno: 1 pU=1012 U1\ pU= 10^{-12}\ U
femtounoShow sourcefUfUfU1×1013Derived dimensionless quantity unit in SI system. One femtouno is equal to one quadrillionth of uno: 1 fU=1015 U1\ fU= 10^{-15}\ U
attounoShow sourceaUaUaU1×1016Derived dimensionless quantity unit in SI system. One attouno is equal to one quintillionth of uno: 1 aU=1018 U1\ aU= 10^{-18}\ U
zeptounoShow sourcezUzUzU1×1019Derived dimensionless quantity unit in SI system. One zeptouno is equal to one sextillionth of uno: 1 zU=1021 U1\ zU= 10^{-21}\ U
yoctounoShow sourceyUyUyU1×1022Derived dimensionless quantity unit in SI system. One yoctouno is equal to one septillionth of uno: 1 yU=1024 U1\ yU= 10^{-24}\ U

Some facts

  • The basic unit for expressing dimensionless quantities in the SI system is one uno:
    1U=1=11=100%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 (/00\mathrlap{\it{/}}{^0}_{\,0}) - equal to one hundredth of the whole (1100\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 (/000\mathrlap{\it{/}}{^0}_{\,00}) - equal to one thousandth of the whole (11000\frac{1}{1000}), used, for example, when determining the alcohol concentration in the blood,
    • basis point (/0000\mathrlap{\it{/}}{^0}_{\,000}) - equal to one ten-thousandth of the whole (110000\frac{1}{10000}), used in economics and accounting,
    • pip (percentage in point) - equal to one ten-thousandth of the whole (110000\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 (132%\frac{1}{32}\%) or one six-quarter (164%\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 (11000000\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.

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