atto
Unit Prefix
(Added in SenseTalk 1.67)
Used before many unit names to multiply by 10^-18. For example, an attometer is 0.000000000000000001 meter, or 1/1000th of a femtometer.
Currently the following unit names beginning with this prefix may be used: attoamp, attoampere, attoamperes, attoamps, attocoulomb, attocoulombs, attofarad, attofarads, attogram, attograms, attohenries, attohenry, attohertz, attohz, attojoule, attojoules, attoliter, attoliters, attolitre, attolitres, attometer, attometers, attometre, attometres, attonewton, attonewtons, attoohm, attoohms, attopascal, attopascals, attosec, attosecond, attoseconds, attosecs, attosiemens, attotesla, attoteslas, attovolt, attovolts, attowatt, attowatts, attoweber, attowebers, attoω
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 |