Units of time
| Name |
Symbol |
Multiplying factor |
| quettasecond |
Qs |
1030 |
| ronnasecond |
Rs |
1027 |
| yottasecond |
Ys |
1024 |
| zettasecond |
Zs |
1021 |
| exasecond |
Es |
1018 |
| petasecond |
Ps |
1015 |
| terasecond |
Ts |
1012 |
| gigasecond |
Gs |
109 |
| megasecond |
Ms |
106 |
| kilosecond |
ks |
103 |
| hectosecond |
hs |
102 |
| decasecond |
das |
101 |
| second |
s |
100 |
| decisecond |
ds |
10−1 |
| centisecond |
cs |
10−2 |
| millisecond |
ms |
10−3 |
| microsecond |
µs |
10−6 |
| nanosecond |
ns |
10−9 |
| picosecond |
ps |
10−12 |
| femtosecond |
fs |
10−15 |
| attosecond |
as |
10−18 |
| zeptosecond |
zs |
10−21 |
| yoctosecond |
ys |
10−24 |
| rontosecond |
rs |
10−27 |
| quectosecond |
qs |
10−30 |