Table of SI Prefixes

Table of SI Prefixes

Name	Symbol	Base 10	Decimal	Year
quetta	Q	1030	1000000000000000000000000000000	2022
ronna	R	1027	1000000000000000000000000000	2022
yotta	Y	1024	1000000000000000000000000	1991
zetta	Z	1021	1000000000000000000000	1991
exa	E	1018	1000000000000000000	1975
peta	P	1015	1000000000000000	1975
tera	T	1012	1000000000000	1960
giga	G	109	1000000000	1960
mega	M	106	1000000	1873
kilo	k	103	1000	1795
hecto	h	102	100	1795
deca	da	101	10	1795
		100	1
deci	d	10−1	0.1	1795
centi	c	10−2	0.01	1795
milli	m	10−3	0.001	1795
micro	μ	10−6	0.000001	1873
nano	n	10−9	0.000000001	1960
pico	p	10−12	0.000000000001	1960
femto	f	10−15	0.000000000000001	1964
atto	a	10−18	0.000000000000000001	1964
zepto	z	10−21	0.000000000000000000001	1991
yocto	y	10−24	0.000000000000000000000001	1991
ronto	r	10−27	0.000000000000000000000000001	2022
quecto	q	10−30	0.000000000000000000000000000001	2022