User:Dcljr/Units

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Base units, version 1[edit]

Multiples of SI base units
Multiple Prefix Mass Time Length Electrical current Temperature Quantity Luminous intensity
1024 yotta- (Y) yottagram (Yg) yottasecond (Ys) yottametre, yottameter (Ym) yottaampere (YA) yottakelvin (YK) yottamole (Ymol) yottacandela (Ycd)
1021 zetta- (Z) zettagram (Zg) zettasecond (Zs) zettametre, zettameter (Zm) zettaampere (ZA) zettakelvin (ZK) zettamole (Zmol) zettacandela (Zcd)
1018 exa- (E) exagram (Eg) exasecond (Es) exametre, exameter (Em) exaampere (EA) exakelvin (EK) examole (Emol) exacandela (Ecd)
1015 peta- (P) petagram (Pg) petasecond (Ps) petametre, petameter (Pm) petaampere (PA) petakelvin (PK) petamole (Pmol) petacandela (Pcd)
1012 tera- (T) teragram (Tg) terasecond (Ts) terametre, terameter (Tm) teraampere (TA) terakelvin (TK) teramole (Tmol) teracandela (Tcd)
109 giga- (G) gigagram (Gg) gigasecond (Gs) gigametre, gigameter (Gm) gigaampere (GA) gigakelvin (GK) gigamole (Gmol) gigacandela (Gcd)
106 mega- (M) megagram (Mg) megasecond (Ms) megametre, megameter (Mm) megaampere (MA) megakelvin (MK) megamole (Mmol) megacandela (Mcd)
103 kilo- (k) kilogram (kg) * kilosecond (ks) kilometre, kilometer (km) kiloampere (kA) kilokelvin (kK) kilomole (kmol) kilocandela (kcd)
102 hecto- (h) hectogram (hg) hectosecond (hs) hectometre, hectometer (hm) hectoampere (hA) hectokelvin (hK) hectomole (hmol) hectocandela (hcd)
101 deca-, deka- (da) decagram, dekagram (dag) decasecond, dekasecond (das) decametre, dekametre, decameter, dekameter (dam) decaampere, dekaampere (daA) decakelvin, dekakelvin (daK) decamole, dekamole (damol) decacandela, dekacandela (dacd)
100 Unit gram (g) * second (s) metre, meter (m) ampere (A) kelvin (K) mole (mol) candela (cd) +
10−1 deci- (d) decigram (dg) decisecond (ds) decimetre, decimeter (dm) deciampere (dA) decikelvin (dK) decimole (dmol) decicandela (dcd)
10−2 centi- (c) centigram (cg) centisecond (cs) centimetre, centimeter (cm) centiampere (cA) centikelvin (cK) centimole (cmol) centicandela (ccd)
10−3 milli- (m) milligram (mg) millisecond (ms) millimetre, millimeter (mm) milliampere (mA) millikelvin (mK) millimole (mmol) millicandela (mcd)
10−6 micro- (µ, not μ, nor u) microgram (µg, μg, ug) microsecond (µs, μs, us) micrometre, micrometer (µm, μm, um) microampere (µA, μA, uA) microkelvin (µK, μK, uK) micromole (µmol, μmol, umol) microcandela (µcd, μcd, ucd)
10−9 nano- (n) nanogram (ng) nanosecond (ns) nanometre, nanometer (nm) nanoampere (nA) nanokelvin (nK) nanomole (nmol) nanocandela (ncd)
10−12 pico- (p) picogram (pg) picosecond (ps) picometre, picometer (pm) picoampere (pA) picokelvin (pK) picomole (pmol) picocandela (pcd)
10−15 femto- (ff) femtogram (fg) femtosecond (fs) femtometre, femtometer (fm) femtoampere (fA) femtokelvin (fK) femtomole (fmol) femtocandela (fcd)
10−18 atto- (a) attogram (ag) attosecond (as) attometre, attometer (am) attoampere (aA) attokelvin (aK) attomole (amol) attocandela (acd)
10−21 zepto- (z) zeptogram (zg) zeptosecond (zs) zeptometre, zeptometer (zm) zeptoampere (zA) zeptokelvin (zK) zeptomole (zmol) zeptocandela (zcd)
10−24 yocto- (y) yoctogram (yg) yoctosecond (ys) yoctometre, yoctometer (ym) yoctoampere (yA) yoctokelvin (yK) yoctomole (ymol) yoctocandela (ycd)

Notes:

The kilogram is the SI base unit for mass, not the gram, which is defined as 1/1000th of a kilogram.
The candela is still considered an SI base unit, although it is no longer fundamental, being defined in terms of other SI units.

Sources:

Wikipedia articles on SI, SI prefix, SI base unit, SI derived unit.

Base units, version 2[edit]

Larger multiples of SI base units
Multiple Prefix Mass Time Length Electrical current Temperature Quantity Luminous intensity
100 Unit gram (g) * second (s) metre, meter (m) ampere (A) kelvin (K) mole (mol) candela (cd) +
101 deca-, deka- (da) decagram, dekagram (dag) decasecond, dekasecond (das) decametre, dekametre, decameter, dekameter (dam) decaampere, dekaampere (daA) decakelvin, dekakelvin (daK) decamole, dekamole (damol) decacandela, dekacandela (dacd)
102 hecto- (h) hectogram (hg) hectosecond (hs) hectometre, hectometer (hm) hectoampere (hA) hectokelvin (hK) hectomole (hmol) hectocandela (hcd)
103 kilo- (k) kilogram (kg) * kilosecond (ks) kilometre, kilometer (km) kiloampere (kA) kilokelvin (kK) kilomole (kmol) kilocandela (kcd)
106 mega- (M) megagram (Mg) megasecond (Ms) megametre, megameter (Mm) megaampere (MA) megakelvin (MK) megamole (Mmol) megacandela (Mcd)
109 giga- (G) gigagram (Gg) gigasecond (Gs) gigametre, gigameter (Gm) gigaampere (GA) gigakelvin (GK) gigamole (Gmol) gigacandela (Gcd)
1012 tera- (T) teragram (Tg) terasecond (Ts) terametre, terameter (Tm) teraampere (TA) terakelvin (TK) teramole (Tmol) teracandela (Tcd)
1015 peta- (P) petagram (Pg) petasecond (Ps) petametre, petameter (Pm) petaampere (PA) petakelvin (PK) petamole (Pmol) petacandela (Pcd)
1018 exa- (E) exagram (Eg) exasecond (Es) exametre, exameter (Em) exaampere (EA) exakelvin (EK) examole (Emol) exacandela (Ecd)
1021 zetta- (Z) zettagram (Zg) zettasecond (Zs) zettametre, zettameter (Zm) zettaampere (ZA) zettakelvin (ZK) zettamole (Zmol) zettacandela (Zcd)
1024 yotta- (Y) yottagram (Yg) yottasecond (Ys) yottametre, yottameter (Ym) yottaampere (YA) yottakelvin (YK) yottamole (Ymol) yottacandela (Ycd)
Smaller multiples of SI base units
Multiple Prefix Mass Time Length Electrical current Temperature Quantity Luminous intensity
100 Unit gram (g) * second (s) metre, meter (m) ampere (A) kelvin (K) mole (mol) candela (cd) +
10−1 deci- (d) decigram (dg) decisecond (ds) decimetre, decimeter (dm) deciampere (dA) decikelvin (dK) decimole (dmol) decicandela (dcd)
10−2 centi- (c) centigram (cg) centisecond (cs) centimetre, centimeter (cm) centiampere (cA) centikelvin (cK) centimole (cmol) centicandela (ccd)
10−3 milli- (m) milligram (mg) millisecond (ms) millimetre, millimeter (mm) milliampere (mA) millikelvin (mK) millimole (mmol) millicandela (mcd)
10−6 micro- (µ, not μ, nor u) microgram (µg, μg, ug) microsecond (µs, μs, us) micrometre, micrometer (µm, μm, um) microampere (µA, μA, uA) microkelvin (µK, μK, uK) micromole (µmol, μmol, umol) microcandela (µcd, μcd, ucd)
10−9 nano- (n) nanogram (ng) nanosecond (ns) nanometre, nanometer (nm) nanoampere (nA) nanokelvin (nK) nanomole (nmol) nanocandela (ncd)
10−12 pico- (p) picogram (pg) picosecond (ps) picometre, picometer (pm) picoampere (pA) picokelvin (pK) picomole (pmol) picocandela (pcd)
10−15 femto- (ff) femtogram (fg) femtosecond (fs) femtometre, femtometer (fm) femtoampere (fA) femtokelvin (fK) femtomole (fmol) femtocandela (fcd)
10−18 atto- (a) attogram (ag) attosecond (as) attometre, attometer (am) attoampere (aA) attokelvin (aK) attomole (amol) attocandela (acd)
10−21 zepto- (z) zeptogram (zg) zeptosecond (zs) zeptometre, zeptometer (zm) zeptoampere (zA) zeptokelvin (zK) zeptomole (zmol) zeptocandela (zcd)
10−24 yocto- (y) yoctogram (yg) yoctosecond (ys) yoctometre, yoctometer (ym) yoctoampere (yA) yoctokelvin (yK) yoctomole (ymol) yoctocandela (ycd)

Base units, version 3[edit]

Larger multiples of SI base units
  Multiple 101 102 103 106 109 1012 1015 1018 1021 1024
  Prefix deca-, deka- (da) hecto- (h) kilo- (k) mega- (M) giga- (G) tera- (T) peta- (P) exa- (E) zetta- (Z) yotta- (Y)
Mass gram (g) * decagram, dekagram (dag) hectogram (hg) kilogram (kg) * megagram (Mg) gigagram (Gg) teragram (Tg) petagram (Pg) exagram (Eg) zettagram (Zg) yottagram (Yg)
Time second (s) decasecond, dekasecond (das) hectosecond (hs) kilosecond (ks) megasecond (Ms) gigasecond (Gs) terasecond (Ts) petasecond (Ps) exasecond (Es) zettasecond (Zs) yottasecond (Ys)
Length metre, meter (m) decametre, dekametre, decameter, dekameter (dam) hectometre, hectometer (hm) kilometre, kilometer (km) megametre, megameter (Mm) gigametre, gigameter (Gm) terametre, terameter (Tm) petametre, petameter (Pm) exametre, exameter (Em) zettametre, zettameter (Zm) yottametre, yottameter (Ym)
Electrical current ampere (A) decaampere, dekaampere (daA) hectoampere (hA) kiloampere (kA) megaampere (MA) gigaampere (GA) teraampere (TA) petaampere (PA) exaampere (EA) zettaampere (ZA) yottaampere (YA)
Temperature kelvin (K) decakelvin, dekakelvin (daK) hectokelvin (hK) kilokelvin (kK) megakelvin (MK) gigakelvin (GK) terakelvin (TK) petakelvin (PK) exakelvin (EK) zettakelvin (ZK) yottakelvin (YK)
Quantity mole (mol) decamole, dekamole (damol) hectomole (hmol) kilomole (kmol) megamole (Mmol) gigamole (Gmol) teramole (Tmol) petamole (Pmol) examole (Emol) zettamole (Zmol) yottamole (Ymol)
Luminous intensity candela (cd) + decacandela, dekacandela (dacd) hectocandela (hcd) kilocandela (kcd) megacandela (Mcd) gigacandela (Gcd) teracandela (Tcd) petacandela (Pcd) exacandela (Ecd) zettacandela (Zcd) yottacandela (Ycd)
Smaller multiples of SI base units
  Multiple 10−1 10−2 10−3 10−6 10−9 10−12 10−15 10−18 10−21 10−24
  Prefix deci- (d) centi- (c) milli- (m) micro- (µ, not μ, nor u) nano- (n) pico- (p) femto- (f) atto- (a) zepto- (z) yocto- (y)
...