Template:SI prefixes (infobox)

SI prefixes

Prefix		Base 10	Decimal	Adoption <ref group="nb">Prefixes adopted before 1960 already existed before SI. The introduction of the CGS system was in 1873.</ref>
Name	Symbol
quetta	Q	1030	Template:Gaps	2022<ref name="newUnitAdoption"> On the extension of the range of SI prefixes(link). {{{website}}}. 18 November 2022. Accessed 5 February 2023. </ref>
ronna	R	1027	Template:Gaps
yotta	Y	1024	Template:Gaps	1991
zetta	Z	1021	Template:Gaps
exa	E	1018	Template:Gaps	1975<ref> Metric (SI) Prefixes(link). {{{website}}}. NIST. </ref>
peta	P	1015	Template:Gaps
tera	T	1012	Template:Gaps	1960
giga	G	109	Template:Gaps
mega	M	106	Template:Gaps	1873
kilo	k	103	Template:Gaps	1795
hecto	h	102	100
deca	da	101	10
—	—	100	1	—
deci	d	10−1	0.1	1795
centi	c	10−2	0.01
milli	m	10−3	0.001
micro	μ	10−6	Template:Gaps	1873
nano	n	10−9	Template:Gaps	1960
pico	p	10−12	Template:Gaps
femto	f	10−15	Template:Gaps	1964
atto	a	10−18	Template:Gaps
zepto	z	10−21	Template:Gaps	1991
yocto	y	10−24	Template:Gaps
ronto	r	10−27	Template:Gaps	2022<ref name="newUnitAdoption"/>
quecto	q	10−30	Template:Gaps
Notes