Units Outside The SI

Other units outside the SI that are currently accepted for use with the SI, subject to further review
Name	Symbol	Value in SI units
nautical mile		1 nautical mile = 1852 m
knot		1 nautical mile per hour = (1852/3600) m/s
are	a	1 a = 1 dam2 = 102 m2
hectare	ha	1 ha = 1 hm2 = 104 m2
bar	bar	1 bar = 0.1 MPa = 100 kPa = 1000 hPa = 105 Pa
ångström	Å	1 Å = 0.1 nm = 10-10 m
barn	b	1 b = 100 fm2 = 10-28 m2
curie	Ci	1 Ci = 3.7 x 1010 Bq
roentgen	R	1 R = 2.58 x 10-4 C/kg
rad	rad	1 rad = 1 cGy = 10-2 Gy
rem	rem	1 rem = 1 cSv = 10-2 Sv