Unit Conversions

Common Conversion Factors

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Multiply LENGTH by:
T o C o n v e r t F r o m	♦	mm	cm	m	km	in	ft	yd	mi
	mm	♦	0.1	1 E-3	1 E-6	3.937 E-2	3.281 E-3	1.094 E-3	6.214 E-7
	cm	10	♦	1 E-2	1 E-4	0.3937	3.281 E-2	1.094 E-2	6.214 E-6
	m	1 E3	1 E2	♦	1 E-3	39.37	3.281	1.094	6.214 E-4
	km	1 E-6	1 E-55	1 E-3	♦	39370	3280.84	1093.61	0.6214
	in	25.4	2.54	2.54 E-2	2.54 E-5	♦	8.333 E-2	2.778 E-2	1.578 E-5
	ft	304.8	30.48	0.3048	3.048 E-4	12	♦	0.3333	1.894 E-4
	yd	914.4	91.44	0.9144	9.144 E-4	36	3	♦	5.682 E-4
	mi	1609344	160934.4	1609.34	1.609	63360	5280	1760	♦
	♦	mm	cm	m	km	in	ft	yd	mi

Multiply VOLUME by:
T o C o n v e r t F r o m	♦	mL	L	m³	tsp	tbsp	in³	fl oz	cup	pt	qt	gal	ft³	yd³
	mL	♦	1 E-3	1 E-6	0.203	6.76 E-2	6.10 E-2	3.38 E-2	4.23 E-3	2.11 E-3	1.06 E-3	2.64 E-4	3.53 E-5	1.31 E-6
	L	1 E3	♦	1 E-3	202.88	67.638	61.02	33.81	4.227	2.113	1.057	0.264	3.53 E-2	1.31 E-3
	m³	1 E6	1 E3	♦	202884	67628	61023	33814	4226	2113	1057	264.17	35.31	1.308
	tsp	4.929	4.929 E-3	4.929 E-6	♦	0.3333	0.3008	0.1667	2.083 E-2	1.042 E-2	5.208 E-3	1.302 E-3	1.741 E-4	6.447 E-6
	tbsp	14.787	1.4787 E-2	1.4787 E-5	3	♦	0.9023	0.5	6.25 E-2	3.125 E-2	1.563 E-2	3.906 E-3	5.222 E-4	1.934 E-5
	in³	16.387	1.639 E-2	1.639 E-5	3.325	1.108	♦	0.5541	6.926 E-2	3.463 E-2	1.732 E-2	4.329 E-3	5.787 E-4	2.143 E-5
	fl oz	29.573	2.957 E-2	2.957 E-5	6	2	1.805	♦	0.125	6.25 E-2	3.125 E-2	7.813 E-3	1.044 E-3	3.868 E-5
	cup	236.59	0.2366	2.366 E-4	48	16	14.438	8	♦	0.5	0.25	6.25 E-2	8.355 E-3	3.094 E-4
	pt	473.18	0.4732	4.732 E-4	96	32	28.875	16	2	♦	0.5	0.125	1.671 E-2	6.189 E-4
	qt	946.35	0.9463	9.464 E-4	192	64	57.75	32	4	2	♦	0.25	3.342 E-2	1.238 E-3
	gal	3785.4	3.785	3.785 E-3	768	256	231	128	16	8	4	♦	0.1336	4.951 E-3
	ft³	28316.9	28.317	2.832 E-2	5745	1915	1728	957.51	119.69	59.844	29.922	7.481	♦	3.704 E-2
	yd³	764555	764.555	0.7646	155116	51705	46656	25852.7	3231.58	1615.79	807.896	201.974	27	♦
	♦	mL	L	m³	tsp	tbsp	in³	fl oz	cup	pt	qt	gal	ft³	yd³

Multiply AREA by:
T o C o n v e r t F r o m	♦	mm²	cm²	m²	ha	km²	in²	ft²	yd²	acre	mi²
	mm²	♦	1 E-2	1 E-6	1 E-10	1 E-12	1.55 E-3	1.0764 E-5	1.196 E-6	2.471 E-10	3.861 E-13
	cm²	100	♦	1 E-4	1 E-8	1 E-10	0.155	1.076 E-3	1.196 E-4	2.471 E-8	3.861 E-11
	m²	1 E6	1 E4	♦	1 E-4	1 E-6	1550	10.764	1.196	2.471 E-4	3.861 E-7
	ha	1 E10	1 E8	1 E4	♦	1 E-2	1.55 E7	107639	11960	2.471	3.86 E-3
	km²	1 E12	1 E10	1 E6	100	♦	1.55 E9	1.076 E7	1.195 E6	247.1	03861
	in²	645.16	6.4516	6.452 E-4	6.452 E-8	6.452 E-10	♦	6.944 E-3	7.716 E-4	1.594 E-7	2.491 E-10
	ft²	92903	929.03	9.290 E-2	9.290 E-6	9.290 E-8	144	♦	0.1111	2.296 E-5	3.587 E-8
	yd²	836127.36	8361.274	0.8361	8.361 E-5	8.361 E-7	1296	9	♦	2.066 E-4	3.228 E-7
	acre	4.047 E9	4.047 E7	4.047 E3	0.4047	4.047 E-3	6.273 E6	43560	4840	♦	1.563 E-3
	mi²	2.59 E12	2.59 E10	2.589 E6	258.99	2.589	4.014 E9	2.788 E7	3.097 E6	640	♦
	♦	mm²	cm²	m²	ha	km²	in²	ft²	yd²	acre	mi²

Multiply DENSITY by:
T o C o n v e r t F r o m	♦	g/mL	kg/m³	g/m³	kg/L	g/L	lb/ft³	lb/in³	lb/gal
	g/mL	♦	1 E3	1 E6	1	1 E3	62.428	3.613 E-2	8.345
	kg/m³	1 E-3	♦	1 E3	1 E-3	1	6.243 E-2	3.613 E-5	8.345 E-3
	g/m³	1 E-6	1 E-3	♦	1 E-6	1 E-3	6.243 E-5	3.613 E-8	8.345 E-6
	kg/L	1	1 E3	1 E6	♦	1 E3	62.428	3.613 E-2	8.345
	g/L	1 E-3	1	1 E3	1 E-3	♦	6.243 E-2	3.613 E-5	8.345 E-3
	lb/ft³	1.602 E-2	16.018	16018	1.602 E-2	16.018	♦	5.787 E-4	0.1337
	lb/in³	27.680	27680	2.768 E7	27.680	27680	1728	♦	231
	lb/gal	0.1198	119.826	1.198 E5	0.1198	119.826	7.481	4.329 E-3	♦
	♦	g/mL	kg/m³	g/m³	kg/L	g/L	lb/ft³	lb/in³	lb/gal

Multiply VELOCITY by:
T o C o n v e r t F r o m	♦	m/s	km/hr	m/min	cm/s	m/hr	cm/min	ft/s	ft/min	mi/hr	knot
	m/s	♦	3.6	60	100	3600	6000	3.281	196.85	2.237	1.944
	km/hr	0.2778	♦	16.667	27.778	1000	1666.667	0.9113	54.6801	0.6213	0.5456
	m/min	1.667 E-2	6 E-2	♦	1.667	60	100	5.468 E-2	3.281	3.728 E-2	3.240 E-2
	cm/s	1 E-2	3.6 E-2	0.6	♦	36	60	3.281 E-2	1.969	2.237 E-2	1.944 E-2
	m/hr	2.778 E-4	1 E-3	1.667 E-2	2.778 E-2	♦	1.667	9.113 E-4	5.468 E-2	6.214 E-4	5.399 E-4
	cm/min	1.667 E-4	6 E-4	1 E-2	1.667 E-2	0.6	♦	5.468 E-4	3.281 E-2	3.728 E-4	3.240 E-4
	ft/s	0.3048	1.097	18.288	30.48	1097.28	1828.8	♦	60	0.6818	0.5925
	ft/min	5.08 E-3	1.829 E-2	3.048 E-1	5.08 E-1	18.288	30.48	1.667 E-2	♦	1.136 E-2	9.875 E-3
	mi/hr	0.4470	1.609	26.822	44.704	1609.344	2682.24	1.467	88	♦	0.8690
	knot	0.5144	1.852	30.8667	51.444	1852	3086.667	1.688	101.269	1.151	♦
	♦	m/s	km/hr	m/min	cm/s	m/hr	cm/min	ft/s	ft/min	mi/hr	knot

♦

mL/min

mL/s

L/min

m³/hr

L/s

m³/min

m³/s

gal/min

ft³/min

gal/s

ft³/s

mL/min

♦

1.667 E-2

0.001 E-3

6 E-5

1.667E-5

1 E-6

1.667 E-8

2.642 E-4

3.531 E-5

4.403 E-6

5.886 E-7

mL/s

♦

6 E-2

3.6 E-3

1 E-3

6 E-5

1 E-6

1.585 E-2

2.119 E-3

2.642 E-4

3.531 E-5

L/min

1000

16.667

♦

6 E-2

1.667 E-2

1 E-3

1.667 E-5

0.2642

3.531 E-2

4.403 E-3

5.886 E-4

m³/hr

16666.67

277.778

16.6667

♦

0.2778

1.667 E-2

2.778 E-4

4.4029

0.5886

7.338 E-2

9.810 E-3

L/s

6 E4

1 E3

3.6

♦

6 E-2

1 E-3

15.850

2.1189

0.2642

3.531 E-2

m³/min

1 E6

16666.67

1 E3

16.6667

♦

1.6667E-2

264.172

35.3147

4.4029

0.58866

m³/s

1 E7

1 E6

6 E4

3600

1000

♦

15850.3

2118.88

264.1728

35.3147

gal/min

3785.41

63.0902

3.78541

0.22712

6.309 E-2

3.785 E-3

6.309 E-5

♦

0.13368

1.667 E-2

2.228 E-3

ft³/min

28316.8

471.947

28.3168

1.69901

0.471947

2.832 E-2

4.719 E-4

7.48052

♦

0.12467

1.667 E-2

gal/s

2271254

3785.41

227.125

13.6275

3.78541

0.22712

3.785 E-3

8.0208

♦

0.13368

ft³/s

1699010

28316.8

1699.011

101.9406

28.31684

1.69901

2.832 E-2

448.831

7.48052

♦

mL/min

mL/s

L/min³

m³/hr

L/s

m³/min

m³/s

gal/min

ft³/min

gal/s

ft³/s

Multiply PRESSURE by:
T o C o n v e r t F r o m	♦	atm	kg/cm²	Torr	mm Hg	g/cm²	kg/m²	Pa	lb/in²	Bar	in Hg	mBar	lb/ft²
	atm	♦	1.033	760	760	1033.23	10332.3	101325	14.696	1.0133	29.921	1013.25	2116.267
	kg/cm²	0.9678	♦	735.559	735.561	1000	10000	98066.5	14.223	0.9810	28.959	980.665	2048.161
	Torr	1.316 E-3	1.360 E-3	♦	1	1.360	13.595	133.322	1.934 E-2	1.333 E-3	3.937 E-2	1.333	2.784
	mm Hg	1.316 E-3	1.356 E-3	1	♦	1.356	13.595	133.322	1.934 E-2	1.333 E-3	3.937 E-2	1.333	2.784
	g/cm²	9.678 E-4	1 E-3	0.7356	0.7356	♦	10	98.067	1.422 E-2	9.807 E-4	2.899 E-2	0.9807	2.0482
	kg/m²	9.678 E-5	1 E-4	7.356 E-2	7.356 E-2	0.1	♦	9.807	1.422 E-3	9.807 E-5	2.896 E-3	9.807 E-2	0.2048
	Pa	9.869 E-6	1.02 E-5	7.501 E-3	7.501 E-3	1.02 E-2	0.1.020	♦	1.450 E-4	1 E-5	2.953 E-4	1 E-2	2.089 E-2
	lb/in²	6.805 E-2	7.031 E-2	51.715	51.715	70.307	703.067	703.070	♦	6.895 E-2	2.036	68.948	144
	Bar	0.9869	1.0197	750.062	750.064	1019.716	10197.16	1 E5	14.504	♦	29.530	1 E4	2088.54
	in Hg	3.342 E-2	3.453 E-2	25.4	25.4	34.531	345.315	3386.38	0.4912	3.386 E-2	♦	33.8648	70.726
	mBar	9.869 E-4	1.0197 E-3	0.75	0.75	1.020	10.197	100	1.450 E-2	001 E-3	2.953 E-2	♦	2.089
	lb/ft²	4.725 E-4	4.882 E-4	0.3592	0.3591	0.4882	4.882	47.880	6.944 E-3	4.788 E-4	1.414 E-2	0.4788	♦
	♦	atm	kg/cm²	Torr	mm Hg	g/cm²	kg/m²	Pa	lb/in²	Bar	in Hg	mBar	lb/ft²

Multiply TIME by:
T o C o n v e r t F r o m	♦	sec	min	hour	day	week	mnth	year
	sec	♦	1.667 E-2	2.778 E-4	1.157 E-5	1.653 E-6	3.805 E-7	3.171 E-8
	min	60	♦	1.667 E-2	6.944 E-4	9.921 E-5	2.283 E-5	1.903 E-6
	hour	3600	60	♦	4.167 E-2	5.952 E-3	1.370 E-3	1.142 E-4
	day	86400	1440	24	♦	0.14286	3.288 E-2	2.740 E-3
	week	604800	10080	168	7	♦	0.23014	1.918 E-2
	mnth	2.628 E6	43800	730	30.4167	4.34552	♦	8.333 E-2
	year	3.156 E7	525960	8766	365.25	52.1429	12	♦
	♦	sec	min	hour	day	week	mnth	year

Use The TEMPERATURE Formula:
T o C o n v e r t F r o m	♦	°F	°R	°C	K
	°F	= °F * 1	= °F + 459.67	= °F * 5/9 - 17.778	= °F * 5/9 + 255.37
	°R	= °R - 459.67	= °R * 1	= °R * 5/9 - 273.15	= °R * 5/9
	°C	= °C * 9/5 + 32	= °C * 9/5 + 491.67	= °C * 1	= °C + 273.15
	K	= K * 9/5 - 459.67	= K * 9/5	K - 273.15	= K * 1
	♦	°F	°R	°C	K