Conversion Factors

Density

To Obtain	g/ml	kg/m³	lb/ft³	lb/in³	lb/U.S. gal
Multiply By
g/ml	--	1000	62.428	0.0361273	8.3454
kg/m³	0.001	--	0.062428	3.61273x10^-5	0.0083454
lb/ft³	0.0160185	16.018453	--	5.78704x10^-4	0.13368
lb/in³	27.679905	27.679.9	1728	--	231
lb/U.S. gal	0.1198264	119.8264	7.4805195	0.004329	--

Flow

To Obtain	cm³/min	cm³/sec	ft³/h	ft³/min	m³/h	m³/min	L/h	L/min
Multiply By
cm³/min	--	0.0166667	0.0021189	0.0000353	0.00006	0.000001	0.06	0.0001
cm³/sec	60	--	0.12734	0.0021189	0.0036	0.00006	3.6	0.06
ft³/h	471.9474	7.86579	--	0.0166667	0.0283168	0.0004719	28.31685	0.4719474
ft³/min	28.316.85	471.9474	60	--	1.699008	0.0283168	1699.008	28.31685
m³/h	16.666.67	277.7778	35.31467	0.5885777	--	0.0166667	1000	16.66667
m³/min	1,000,000	16,666.67	2118.876	35.31467	60	--	60,000	1000
L/h	16.66667	0.2777778	0.0353147	0.0005885	0.001	0.0000167	--	0.166667
L/min	1000	16.66667	2.118876	0.0353147	0.06	0.001	60	--

Length

To Obtain	Å	cm	ft	in	m	mm	micron	yd
Multiply By
Å	--	1x10^-8	3.208399x10^-10	3.3937008x10^-9	1x10^-10	0.0000001	0.0001	1.0936133x10^-10
cm	1x10⁸	--	0.328084	0.3937008	0.01	10	10,000	0.0109361
ft	3.048x10⁵	30.48	--	12	0.3048	304.8	304,800	0.3333333
in	2.54x10⁸	2.54	0.0833333	--	0.0254	25.4	25,400	0.00277778
m	1x10¹⁰	100	3.2808399	39.3700787	--	1,000	1,000,000	1.09936133
mm	10,000,000	0.1	0.00328084	0.03937008	0.001	--	1,000	0.0010936
micron	10,000	0.0001	3.2808399x10^-6	3.9370079x10^-5	0.0000010	0.001	--	1.0936133*10⁶
yd	9.144x10⁹	91.44	3	36	0.9144	914.4	914,400	--

Pressure

To Obtain	micron (μm Hg)	mm of Hg at 0^°C (torr)	atm	psi	bar	kg/cm²	kPa	ft of H₂O at 60^°F	in of H₂O at 60^°F	in of Hg at 0^°C
Multiply By
micron (μm Hg)	--	10x10^-3	1.31579x10^-6	1.9337x10^-5	1.33x10^-6	1.30x10^-6	1.33x10^-4	4.4603x10⁶	5.33524x10^-4	3.937x10^-5
mm of Hg at 0^°C (torr)	1.000	--	0.00132	0.019337	0.001333	0.001360	0.133322	0.044603	0.535240	0.03937
atm	760,000	760	--	14.696	1.01325	1.0332	101.3171	33.932	407.1827	23.321
psi	51,714	51.715	0.06805	--	0.068948	0.70307	6.89465	2.3089	27.70851	2.0360
bar	750,187	750.062	0.98692	14.50368	--	1.019716	100	33.4883	401.8596	29.530
kg/cm²	769,321	735.5592	0.96787	14.22334	0.980665	--	98.03922	32.8084	393.7008	28.95903
kPa	7,501.87	7.5006	0.00987	0.14504	0.010	0.001020	--	0.33456	4.01472	0.2613
ft of H₂O (60^°F)	22,420	22.4198	0.02947	0.433107	0.029891	0.03048	2.9890	--	12	0.882646
in of H₂O (60^°F)	1,868.32	1.86832	0.00246	0.03609	0.002499	0.00254	0.249089	0.083333	--	0.073556
in of Hg (0^°C)	25,400	25.4	0.03342	0.49115	0.033664	0.034532	3.376895	1.1340	13.6	--

Temperature

To Obtain	Celsius, ^°C	Fahrenheit, ^°F	Kelvin, ^°K	Rankine, ^°R
Multiply By
Celsius, ^°C	--	^°F = (^°C x 1.8)+32	^°K = ^°C + 273.16	^°R = (^°C + 273.16) x 1.8
Fahrenheit, ^°F	^°C = (^°F - 32) / 1.8	--	^°K = ((^°F-32) / 1.8) + 273.16	^°R = ^°F = 459.69
Kelvin, ^°K	^°C = ^°K - 273.16	^°F = ((^°K - 273.16) x 1.8) + 32	--	^°R = ^°K x 1.8
Rankine, ^°R	^°C = (^°R / 1.8) - 273.16	^°F = ^°R - 459.69	^°K = ^°R / 1.8	--

Volume

To Obtain	cm³*	ft³	in³	m³	gal (US Liquid)	L	gal (Imperial)
Multiply By
cm³*	--	0.00003531	0.0610237	0.000001	0.0002641	0.001	0.0002199
ft³	28,316.847	--	1728	0.2831685	7.480519	28.316847	6.229
in³	16.387064	0.0005787	--	0.00001637	0.0043290	0.0163871	0.003605
m³	1,000,000	35.31467	61,023.74	--	264.172	1000	220.0
gal (US Liquid)	3785.4123	0.13368056	231	0.00378541	--	3.785412	0.8327
L	1000	0.03531467	61.02374	0.001	0.2641727	--	0.2200
gal (Imperial)	4546.10	0.1605	277.4	0.004546	1.201	4.546	--

* 1 cm³ = 1 ml

Mass and Weight

To Obtain	mg	g	kg	oz*	lb*	ton (short, US)	ton (long, metric)
Multiply By
mg	--	0.001	0.00001	3.5274x10^-5	2.2046X10^-8	1.102X10^-8	1x10^-9
g	1000	--	0.001	0.0352740	0.0022046	1.102x10^-8	1x10^-6
kg	1,000,000	1000	--	35.27392	2.2046226	0.0011023	1x10^-3
oz*	28,349.5	28.34952	0.0283495	--	0.0625	3.125x10^-6	2.83x10^-6
lb*	453,592	453.59237	0.4535924	16	--	0.0005	4.535x10^-4
ton (short, US)	9.07185x10⁶	907.185	907.18474	32,000	2000	--	0.907
ton (long, metric)	1x10⁸	1x10⁶	1000	35,274	2205	1.102	--

* avoirdupois

Concentration Equivalents

Concentration		Equivalent
1,000,000 ppm	=	100.00%
100,000 ppm	=	10.0%
10,000 ppm	=	1.0%
1,000 ppm	=	0.1%
100 ppm	=	0.01%
10 ppm	=	0.001%
1 ppm	=	0.0001%
1,000 ppb	=	1 ppm
100 ppb	=	0.1ppm
10 ppb	=	0.01 ppm
1 ppb	=	0.001ppm

Exponential Equivalents

Scientific Notation	Equivalent		Scientific Notation	Equivalent
1x10¹⁰	10,000,000,000		1x10⁰	1
1x10⁹	1,000,000,000		1x10^-1	0.1
1x10⁸	100,000,000		1x10^-2	0.01
1x10⁷	10,000,000		1x10^-3	0.001
1x10⁶	1,000,000		1x10^-4	0.0001
1x10⁵	100,000		1x10^-5	0.00001
1x10⁴	10,000		1x10^-6	0.000001
1x10³	1,000		1x10^-7	0.0000001
1x10²	100		1x10^-8	0.00000001
1x10¹	10		1x10^-9	0.000000001
1x10⁰	1		1x10^-10	0.0000000001

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