Comprehensive Metric Prefix Table and Unit Multipliers

Metric Prefixes Greater Than the Base Unit


  • Prefix: exa

  • Symbol: E

  • Multiplier: 1,000,000,000,000,000,000

  • Exponential Form: 101810^{18}

  • Peta

    • Prefix: peta

    • Symbol: P

    • Multiplier: 1,000,000,000,000,000

    • Exponential Form: 101510^{15}

  • Tera

    • Prefix: tera

    • Symbol: T

    • Multiplier: 1,000,000,000,000

    • Exponential Form: 101210^{12}

  • Giga

    • Prefix: giga

    • Symbol: G

    • Multiplier: 1,000,000,000

    • Exponential Form: 10910^{9}

  • Mega

    • Prefix: mega

    • Symbol: M

    • Multiplier: 1,000,000

    • Exponential Form: 10610^{6}

  • Kilo

    • Prefix: kilo

    • Symbol: k

    • Multiplier: 1,000

    • Exponential Form: 10310^{3}

  • Hecto

    • Prefix: hecto

    • Symbol: h

    • Multiplier: 100

    • Exponential Form: 10210^{2}

  • Deca

    • Prefix: deca

    • Symbol: da

    • Multiplier: 10

    • Exponential Form: 10110^{1}

Base Unit Reference

  • Base Unit

    • Prefix Name: Base Unit

    • Symbol: None (represented by standard unit identifier)

    • Multiplier: 1

    • Exponential Form: 10010^{0}

Metric Prefixes Less Than the Base Unit

  • Deci

    • Prefix: deci

    • Symbol: d

    • Multiplier: 0.1

    • Exponential Form: 10−110^{-1}

  • Centi

    • Prefix: centi

    • Symbol: c

    • Multiplier: 0.01

    • Exponential Form: 10−210^{-2}

  • Milli

    • Prefix: milli

    • Symbol: m

    • Multiplier: 0.001

    • Exponential Form: 10−310^{-3}

  • Micro

    • Prefix: micro

    • Symbol: µ

    • Multiplier: 0.000001

    • Exponential Form: 10−610^{-6}

  • Nano

    • Prefix: nano

    • Symbol: n

    • Multiplier: 0.000000001

    • Exponential Form: 10−910^{-9}

  • Pico

    • Prefix: pico

    • Symbol: p

    • Multiplier: 0.000000000001

    • Exponential Form: 10−1210^{-12}

  • Femto

    • Prefix: femto

    • Symbol: f

    • Multiplier: 0.000000000000001

    • Exponential Form: 10−1510^{-15}

  • Atto

    • Prefix: atto

    • Symbol: a

    • Multiplier: 0.000000000000000001

    • Exponential Form: 10−1810^{-18}

  • Zepto

    • Prefix: zepto

    • Symbol: z

    • Multiplier: 0.000000000000000000001

    • Exponential Form: 10−2110^{-21}

  • Yocto

    • Prefix: yocto

    • Symbol: y

    • Multiplier: 0.000000000000000000000001

    • Exponential Form: 10−2410^{-24}

Comprehensive Mathematical Properties of Metric Factors

  • Positive Powers of 10 System:

    • exa (E) = 1018=1,000,000,000,000,000,00010^{18} = 1,000,000,000,000,000,000

    • peta (P) = 1015=1,000,000,000,000,00010^{15} = 1,000,000,000,000,000

    • tera (T) = 1012=1,000,000,000,00010^{12} = 1,000,000,000,000

    • giga (G) = 109=1,000,000,00010^{9} = 1,000,000,000

    • mega (M) = 106=1,000,00010^{6} = 1,000,000

    • kilo (k) = 103=1,00010^{3} = 1,000

    • hecto (h) = 102=10010^{2} = 100

    • deca (da) = 101=1010^{1} = 10

  • Identity State:

    • Base Unit = 100=110^{0} = 1

  • Negative Powers of 10 System:

    • deci (d) = 10−1=0.110^{-1} = 0.1

    • centi (c) = 10−2=0.0110^{-2} = 0.01

    • milli (m) = 10−3=0.00110^{-3} = 0.001

    • micro (µ) = 10−6=0.00000110^{-6} = 0.000001

    • nano (n) = 10−9=0.00000000110^{-9} = 0.000000001

    • pico (p) = 10−12=0.00000000000110^{-12} = 0.000000000001

    • femto (f) = 10−15=0.00000000000000110^{-15} = 0.000000000000001

    • atto (a) = 10−18=0.00000000000000000110^{-18} = 0.000000000000000001

    • 0001$$