SI prefixes

From Bioblast


high-resolution terminology - matching measurements at high-resolution


SI prefixes

Description

There are 20 SI prefixes defined to represent multiples and submiltiples of SI units.


Reference: BIPM SI prefixes

Factor Name Symbol Multiplying factor
1024 yotta Y 1 000 000 000 000 000 000 000 000
1021 zetta Z 1 000 000 000 000 000 000 000
1018 exa E 1 000 000 000 000 000 000
1015 peta P 1 000 000 000 000 000
1012 tera T 1 000 000 000 000
109 giga G 1 000 000 000
106 mega M 1 000 000
103 kilo k 1 000
102 hecto h 100
101 deca da 10
10-1 deci d 0.1
10-2 centi c 0.01
10-3 milli m 0.001
10-6 micro Β΅ 0.000 001
10-9 nano n 0.000 000 001
10-12 pico p 0.000 000 000 001
10-15 femto f 0.000 000 000 000 001
10-18 atto a 0.000 000 000 000 000 001
10-21 zepto z 0.000 000 000 000 000 000 001
10-24 yocto y 0.000 000 000 000 000 000 000 001


SI-units.png


Click to expand or collaps
Bioblast links: SI base units - >>>>>>> - Click on [Expand] or [Collapse] - >>>>>>>
Entity, count, and number, and SI base quantities / SI base units
SI-units.png
Quantity name Symbol Unit name Symbol Comment
elementary UX elementary unit [x] UX, UB; [x] not in SI
count NX elementary unit [x] NX, NB; [x] not in SI
number N - dimensionless = NXΒ·UX-1
amount of substance nB mole [mol] nX, nB
electric current I ampere [A] A = CΒ·s-1
time t second [s]
length l meter [m] SI: metre
mass m kilogram [kg]
thermodynamic temperature T kelvin [K]
luminous intensity IV candela [cd]
Fundamental relationships
Β» Avogadro constant NA
Β» Boltzmann constant k
Β» elementary charge e
Β» Faraday constant F
Β» gas constant R
Β» electrochemical constant f
SI and related concepts
Β» International System of Units
Β» elementary unit x
Β» SI prefixes
Β» International Union of Pure and Applied Chemistry, IUPAC
Β» entity
Β» quantity
Β» dimension
Β» format
Β» motive unit
Β» iconic symbols



MitoPedia concepts: Ergodynamics 


MitoPedia topics: BEC 

Cookies help us deliver our services. By using our services, you agree to our use of cookies.