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"Milli" redirects here; for the village in Azerbaijan, see Birinci Milli; for the Lil Wayne song, see A Milli; for similar-sounding words, see Millie.

Milli (symbol m) is a prefix in the metric system denoting a factor of one thousandth (10^-3).^[1] Adopted in 1795, the prefix comes from the Latin mille, meaning one thousand (the plural is milia). mili has 3 zeros (technolgy class)

SI prefixes
v
t
e
Prefix		Base 10	Decimal	Adoption ^{[nb 1]}
Name	Symbol	Base 10	Decimal	Adoption ^{[nb 1]}
quetta	Q	10³⁰	1000000000000000000000000000000	2022^[2]
ronna	R	10²⁷	1000000000000000000000000000	2022^[2]
yotta	Y	10²⁴	1000000000000000000000000	1991
zetta	Z	10²¹	1000000000000000000000	1991
exa	E	10¹⁸	1000000000000000000	1975^[3]
peta	P	10¹⁵	1000000000000000	1975^[3]
tera	T	10¹²	1000000000000	1960
giga	G	10⁹	1000000000	1960
mega	M	10⁶	1000000	1873
kilo	k	10³	1000	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	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^[2]
quecto	q	10⁻³⁰	0.000000000000000000000000000001	2022^[2]
Notes ^ Prefixes adopted before 1960 already existed before SI. The introduction of the CGS system was in 1873.

References

^ "NIST Guide to the SI" (HTML).See section 4.3 Decimal multiples and submultiples of SI units: SI prefixes, Table 5.
^ ^a ^b "On the extension of the range of SI prefixes". 18 November 2022. Retrieved 5 February 2023.
^ "Metric (SI) Prefixes". NIST.

[2] Prefixes adopted before 1960 already existed before SI. The introduction of the CGS system was in 1873.

[1] "NIST Guide to the SI" (HTML).See section 4.3 Decimal multiples and submultiples of SI units: SI prefixes, Table 5.

[newUnitAdoption-3] "On the extension of the range of SI prefixes". 18 November 2022. Retrieved 5 February 2023.

[4] "Metric (SI) Prefixes". NIST.

[1]

[nb 1]

[2]

[3]

@@ Line 1: / Line 1: @@
 {{Wiktionary|milli-}}
 :''"Milli" redirects here; for the village in Azerbaijan, see [[Birinci Milli]]; for the [[Lil Wayne]] song, see [[A Milli]]; for similar-sounding words, see [[Millie]].''
-'''Milli''' (symbol '''m''') is a [[SI prefix|prefix]] in the [[metric system]] denoting a factor of one thousandth (10<sup>-3</sup>).<ref>{{cite web |url=http://physics.nist.gov/Pubs/SP811/sec04.html |title=NIST Guide to the SI |format=HTML  |accessdate=}}See section  4.3 ''Decimal multiples and submultiples of SI units: SI prefixes'', Table 5.</ref> Adopted in 1795, the prefix comes from the Latin ''mille'', meaning ''one thousand'' (the plural is ''milia'').
+'''Milli''' (symbol '''m''') is a [[SI prefix|prefix]] in the [[metric system]] denoting a factor of one thousandth (10<sup>-3</sup>).<ref>{{cite web |url=http://physics.nist.gov/Pubs/SP811/sec04.html |title=NIST Guide to the SI |format=HTML  |accessdate=}}See section  4.3 ''Decimal multiples and submultiples of SI units: SI prefixes'', Table 5.</ref> Adopted in 1795, the prefix comes from the Latin ''mille'', meaning ''one thousand'' (the plural is ''milia''). mili has 3 zeros (technolgy class)
 {{SI prefixes}}