In English	Symbol	In italiano
SI base units
meter	m	metro
kilogram	kg	chilogrammo (o kilogrammo)
second	s	secóndo
ampere	A	ampere
kelvin	K	kelvin  [o grado termometrico assoluto]
mole	mol	móle (fem.)
candela	cd	candéla (fem.)
SI derived units with special names
hertz	Hz	hertz
newton	N	newton
pascal	Pa	pascal
joule	J	joule
watt	W	watt
coulomb	C	coulomb
volt	V	volt
farad	F	farad
ohm		ohm
siemens	S	siemens
weber	Wb	weber
tesla	T	tesla
henry	H	henry
degree Celsius	°C	grado Celsius
lumen	lm	lumen
lux	lx	lux
becquerel	Bq	becquerel
gray	Gy	gray
sievert	Sv	sievert
radian	rad	radiante
steradian	sr	steradiante
SI special name
liter	l*	litro
SI prefixes
yotta	Y	yotta
zetta	Z	zetta
exa	E	exa
peta	P	peta
tera	T	tera
giga	G	giga
mega	M	mega
kilo	k	chilo o kilo
hecto	h	etto
deka	da	dèca
deci	d	déci
centi	c	centi
milli	m	milli
micro	µ	micro
nano	n	nano
pico	p	pico
femto	f	femto
atto	a	atto
zepto	z	zepto
yocto	y	yocto

For your convenience, the following infomation is supplied; you may see these metric (but non-SI) units used in some literature:
 

In English (equivalent)	Symbol	In italiano
(1 m2)	ca	centiara (fem.)
are (100 m2)	a	ara (fem.)
hectare (10 000 m2)	ha	èttaro  [raro:  ettàra (fem.)]
carat (200 mg)	ct	carato
(10 kg)	Mg**	Miriagrammo (antiquato, fuori uso)
(100 kg)	q	quintale
tonne, metric ton (1000 kg)	t	tonnellata (fem.)

** NOTE:  This is now the SI symbol for "megagram" (1 000 000 g, equal to 1000 kg).

Translation tips:

• "square meter" or "meter squared" = "metro quadrato"
• "cubic meter" or "meter cubed" = "metro cubo"

• base units
• "metro" with some prefixes
• "grammo" with some prefixes

Contributor: Leonardo Boselli, Dipartimento Ingegneria Civile, Università di Firenze

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