VOLUME MEASUREMENTS

	mL	L	fl oz	cup	qt	gal
mL	1	0.001	0.0338	0.00423	0.001057	0.0002642
L	1000	1	33.81	4.227	1.057	0.2642
fl oz	29.57	0.02957	1	0.125	0.03125	0.007813
cup	236.6	0.2366	8	1	0.25	0.0625
qt	946.4	0.9464	32	4	1	0.25
gal	3.785	3.785	128	16	4	1

MASS MEASUREMENTS

	mg	g	kg	oz	lb
mg	1	0.001	1.00E-06	3.53E-05	2.20E-06
g	1000	1	0.001	0.03527	0.0022
kg	1.00E+06	1000	1	35.27	2.205
oz	28349.5	28.349	0.02835	1	0.0625
lb	453.592	453.592	0.4536	16	1

LENGTH MEASUREMENTS

	mm	cm	m	km	in	ft	yd
mm	1	0.1	0.001	1.00E-06	0.03937	0.00109	0.00109
cm	10	1	0.01	1.00E-05	0.3937	0.0328	0.0109
m	1000	100	1	0.001	39.37	3.2808	1.0936
km	1,000,000	100,000	1000	1	39,370	3280.84	1093.61
in	25.4	2.54	0.0254	2.54E-05	1	12	0.02778
ft	304.8	30.48	0.3048	0.0003	12	1	0.3333
yd	914.4	91.44	0.9144	0.000914	36	3	1

AQUEOUS CONCENTRATIONS

	µg/L	mg/L	ppt*	ppb*	ppm*	%*
µg/L	1	0.001	1,000	1	0.001	0.0000001
mg/L	1,000	1	1,000,000	1000	1	0.0001
ppt*	0.001	0.000001	1	0.001	0.000001	1E-10
ppb*	1	0.001	1,000	1	0.001	0.0000001
ppm*	1,000	1	1,000,000	1,000	1	0.0001
%*	10,000,000	10,000	10,000,000,000	10,000,000	10,000	1

SOLID CONCENTRATIONS

	µg/kg	mg/kg (µg/g)	mg/g	ppt	ppb	ppm	%
µg/kg	1	0.001	0.000001	1,000	1	0.001	0.0000001
mg/kg (µg/g)	1,000	1	0.001	1,000,000	1,000	1	0.0001
mg/g	1,000,000	1000	1	1,000,000,000	1,000,000	1,000	0.1
ppt	0.001	0.000001	0.000000001	1	0.001	0.000001	1E-10
ppb	1	0.001	0.000001	1,000	1	0.001	0.0000001
ppm	1,000	1	0.001	1,000,000	1,000	1	0.0001
%	10,000,000	10,000	10	10,000,000,000	10,000,000	10,000	1

AREA EQUIVALENTS

mm2	cm2	m2	in2	ft2	yd2
1	0.01	0.000001	0.00155	0.00001076	0.000001196

DENSITY EQUIVALENTS

g/mL	kg/m3	lb/ft3	lb/in3
1	1000	62.4297	0.036127

TEMPERATURE CONVERSION FORMULAS

Degress Celsius (℃)	Degrees Fahreneit (℉)	Kelvin (K)
(℉ - 32) x 5/9 (K-273.15)	(℃ x 9/5) + 32 (1.8 x K) - 459.67	(℃ + 273.15) (℉ + 459.67) ÷ 1.8

MULTIPLES AND SUBMULTIPLES UNITS

Prefix	Symbol	Multiplying Factor
exa	E	1018	1,000,000,000,000,000,000
peta	P	1015	1,000,000,000,000,000
tera	T	1012	1,000,000,000,000
giga	G	109	1,000,000,000
mega	M	106	1,000,000
kilo	k	103	1,000
hecto	h	102	100
deca	da	10	10
deci	d	10-1	0.1
centi	c	10-2	0.01
milli	m	10-3	0.001
micro	µ	10-6	0.000001
nano	n	10-9	0.000000001
pico	p	10-12	0.000000000001
femto	f	10-15	0.000000000000001
atto	a	10-18	0.000000000000000001