Metric Prefixes

 

Prefix	Symbol	Meaning	Prefix	Symbol	Meaning
yotta-	Y	1024	yocto-	y	10–24
zetta-	Z	1021	zepto-	z	10–21
exa-	E	1018	atto-	a	10–18
peta-	P	1015	femto-	f	10–15
tera-	T	1012	pico-	p	10–12
giga-	G	109	nano-	n	10–9
mega-	M	106	micro-	μ$\mathrm{<br>}$	10–6
kilo-	k	103	milli-	m	10–3
hecto-	h	102	centi-	c	10–2
deka-	da	101	deci-	d	10–1

Table 1.2 Metric Prefixes for Powers of 10 and Their Symbols