exa

• unit prefix

  • new in 1.67

  • used before many unit names to multiply by 10^18. For example, an exameter is 1000000000000000000 meters, or 1000 petameters.

  • Currently the following unit names beginning with this prefix may be used: exaamp, exaampere, exaamperes, exaamps, exacoulomb, exacoulombs, exafarad, exafarads, exagram, exagrams, exahenries, exahenry, exahertz, exahz, exajoule, exajoules, exaliter, exaliters, exalitre, exalitres, exameter, exameters, exametre, exametres, exanewton, exanewtons, exaohm, exaohms, exapascal, exapascals, exasec, exasecond, exaseconds, exasecs, exasiemens, exatesla, exateslas, exavolt, exavolts, exawatt, exawatts, exaweber, exawebers, exaω

  • The full list of metric prefixes includes:

    • Prefix	Multiple
      deci	0.1
      centi	0.01
      milli	0.001
      micro	10 ^ -6
      nano	10 ^ -9
      pico	10 ^ -12
      femto	10 ^ -15
      atto	10 ^ -18
      zepto	10 ^ -21
      yocto	10 ^ -24
      deca, deka	10
      hecto	100
      kilo	1000
      mega	10 ^ 6
      giga	10 ^ 9
      tera	10 ^ 12
      peta	10 ^ 15
      exa	10 ^ 18
      zetta	10 ^ 21
      yotta	10 ^ 24