Tablas de conversión de unidades

Jaime Alberto Santos Orozco

PREFIJOS DE UNIDADES SI 10n Prefijo Símbolo Escala corta Escala larga Equivalencia decimal en los Prefijos del SI

1024 yotta Y Septillón Cuatrillón 1 000 000 000 000 000 000 000 000

1021 zetta Z Sextillón Mil trillones 1 000 000 000 000 000 000 000

1018 exa E Quintillón Trillón 1 000 000 000 000 000 000

1015 peta P Cuatrillón Mil billones 1 000 000 000 000 000

1012 tera T Trillón Billón 1 000 000 000 000

109 giga G Billón Mil millones / Millardo 1 000 000 000

106 mega M Millón 1 000 000

103 kilo k Mil / Millar 1 000

102 hecto h Cien / Centena 100

101 deca da Diez / Decena 10

100 ninguno ninguno Uno / Unidad 1

10−1 deci d Décimo 0.1

10−2 centi c Centésimo 0.01

10−3 mili m Milésimo 0.001

10−6 micro µ Millonésimo 0.000 001

10−9 nano n Billonésimo Milmillonésimo 0.000 000 001

10−12 pico p Trillonésimo Billonésimo 0.000 000 000 001

10−15 femto f Cuatrillonésimo Milbillonésimo 0.000 000 000 000 001

10−18 atto a Quintillonésimo Trillonésimo 0.000 000 000 000 000 001

10−21 zepto z Sextillonésimo Miltrillonésimo 0.000 000 000 000 000 000 001

10−24 yocto y Septillonésimo Cuatrillonésimo 0.000 000 000 000 000 000 000 001

FUERZA Y PESO

DINA NEWTON LIBRA f POUNDAL GRAMO f Kg f KILOLIBRAS

1 DINA 1 10-5 2.248x10-6 7.233x10-5 1.02x10-3 1.02x10-6 2.248x10-9

1 NEWTON 105 1 0.2248 7.233 102 0.102 2.248x10-4

1 LIBRA f 4.448x105 4.448 1 32.173 453.6 0.4536 10-3

1 POUNDAL 1.383x104 0.1383 3.108x10-2 1 14.1 1.41x10-2 3.108x10-5

1 GRAMO f 980.7 9.807x10-3 2.205x10-3 7.093x10-2 1 0.001 2.205x10-6

1 Kg. f 9.807x105 9.807 2.205 70.93 1000 1 0.00205

1 KILOLIBRA 4.448x108 4448 1000 32173 4.536x105 453.6 1 1 DINA = 1 g·cm/s2 1 NEWTON = 1 kg·m/s2 1 POUNDAL = 1 lb·ft/s2

TIEMPO

AÑO DÍA HORA MINUTO SEGUNDO PICOSEGUNDO MES

1 AÑO 1 365.2 8.76x103 5.256x105 3.1536x107 3.1536x1019 12

1 DÍA 2.74x10-3 1 24 1.44x103 8.64x104 8.64x1016 0.032876

1 HORA 0.114x10-3 4.167x10-2 1 60 3.6x103 3.6x1015 1.36986x10-3

1 MINUTO 1.9x10-6 6.94x10-4 1.667x10-2 1 60 6x1013 2.2831x10-5

1 SEGUNDO 3.171x10-8 1.157x10-5 2.778x10-4 1.667x10-2 1 1x1012 3.8057x10-7

1 PICOSEGUNDO 3.17x10-20 1.1570x10-17 2.778x10-16 1.667x10-14 1x10-12 1 3.8057x10-19

1 MES 0.08333 30.41666 730 43800 2.6283x106 2.6283x1018 1

ÁNGULO PLANO ÁNGULO SÓLIDO

Circunferencia =Rev = Ciclo

Radián Grado sex (°) Minuto sex (‘) Segundo sex (“)

1 esfera = 4π sr (Estereorradianes)

12.57 Estereorradianes

1 Revolución 1 6.2832 – 2π 360 21600 1296000

1 Radián 0.15915 1 57.296 3437.75 206260

1 Grado sex (°) 0.002778 0.017453 1 60 3600

1 Minuto sex (‘) 0.0000463 2.9x10-4 0.01667 1 60

1 Segundo sex (“) 7.716x10-7 4.848x10-6 2.778x10-4 1.667x10-2 1

ACELERACIÓN LINEAL

cm/s2

m/s2

m/s·min km/s·h pie/s2

mi/s·hora milla/min·h

1 cm/s2 1 10-2 0.6 0.036 0.03281 0.02237 1.3422

1 m/s2 102 1 60 3.6 3.281 2.237 134.22

1 m/s·min 1.667 1.667x10-2 1 0.06 5.468x10-2 0.0373 2.238

1 km/s·h 27.78 0.2778 16.67 1 0.9113 0.6214 37.28

1 pie/s2 30.489 0.30489 18.2901 1.09719 1 0.6818 40.92

1 milla/s·hora 44.704 0.44704 26.8261 1.60925 1.467 1 60

1 milla/min·h 0.74507 0.0074507 0.4470 0.02682 0.024437 0.01667 1

ACELERACIÓN ANGULAR

rad/s2

rev/s·min rev/min2

rev/s2

rad/min2

1 rad/s2 1 9.549 572.96 0.1592 3600

1 rev/s·min 0.1042 1 60 0.01667 375.2

1 rev/min2 0.0017453 0.01667 1 2.778x10-4 6.2832

1 rev/s2 6.2832 60 3600 1 22625.8

1 rad/min2 2.777x10-4 2.665x10-3 0.159868 4.44x10-5 1

LONGITUD

mam km hm dam m dm cm mm μ Å mμ X Pie yarda plg mi

terrestre M

Inter. mil

1 miriámetro 1 10 102 103 104 105 106 107 1010 1014 1013 1017 32810 10940 3.93x105 6.214 5.396 3.93x108

1 kilómetro 10-1 1 10 102 103 104 105 106 109 1013 1012 1016 3281 1094 39370 0.6214 0.5396 3.93x107

1 hectómetro 10-2 0.1 1 10 100 1000 104 105 108 1012 1011 1015 328.1 109.36 3937 0.06214 0.05396 3.93x106

1 decámetro 10-3 0.01 0.1 1 10 100 1000 10000 107 1011 1010 1014 32.81 10.936 393.7 6.21x10-3 5.39x10-3 3.93x105

1 metro 10-4 10-3 10-2 10-1 1 10 102 103 106 1010 109 1013 3.281 1.094 39.37 6.21x10-4 5.39x10-4 3.93x104

1 decímetro 10-5 10-4 0.001 0.01 0.1 1 10 100 105 109 108 1012 0.3281 0.1094 3.937 6.214x10-5 5.396x10-5 3937

1 centímetro 10-6 10-5 10-4 10-3 10-2 10-1 1 10 104 108 107 1011 0.03281 0.01094 0.3937 6.214x10-6 5.39x10-6 393.7

1 milímetro 10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 103 107 106 1010 3.281x10-3 1.094x10-3 3.937x10-2 6.214x10-7 5.396x10-7 39.37

1 micra ó micrón

10-10 10-9 10-8 10-7 10-6 10-5 10-4 10-3 1 104 103 107 3.28x10-6 1.094x10-6 3.93x10-5 6.214x10-10 5.39x10-10 0.0393

1 angstrom 10-14 10-13 10-12 10-11 10-10 10-9 10-8 10-7 10-4 1 0.1 103 3.28x10-10 1.094x10-10 3.937x10-9 6.214x10-14 5.39x10-14 3.93x10-6

1 milimicra ó milimicrón

10-13 10-12 10-11 10-10 10-9 10-8 10-7 10-6 10-3 10 1 104 3.28x10-9 1.094x10-9 3.937x10-8 6.214x10-13 5.39x10-13 3.93x10-5

1 unidad X 10-17 10-16 10-15 10-14 10-13 10-12 10-11 10-10 10-7 10-3 10-4 1 3.28x10-13 1.094x10-13 3.937x10-12 6.21x10-17 5.39x10-17 3.93x10-9

1 pie 3.048x10-5 3.048x10-4 0.003048 0.03048 0.3048 3.048 30.48 304.8 3.048x105 3.048x109 3.048x108 3.04x1012 1 0.3333 12 1.894x10-4 1.644x10-4 1.2x104

1 yarda 9.144x10-5 9.144x10-4 0.009144 0.09144 0.9144 9.144 91.44 914.4081 9.144x105 9.144x109 9.144x108 9.144x1012 3 1 36 5.681x10-4 4.937x10-4 3.6x104

1 pulgada 2.54x10-6 2.54x10-5 2.54x10-4 0.00254 0.0254 0.254 2.54 25.4 2.54x104 2.54x108 2.54x107 2.54x1011 0.08333 0.02777 1 1.578x10-5 1.37x10-5 103

1 milla terrestre

0.1609 1.609 16.09 160.9 1609 1.609x104 1.609x105 1.609x106 1.609x109 1.609x1013 1.609x1012 1.609x1016 5280 1760 6.33x104 1 0.8683 6.33x107

1 milla náutica internacional

0.1852 1.852 18.52 185.2 1852 1.852x104 1.852x105 1.852x106 1.852x109 1.852x1013 1.852x1012 1.852x1016 6076.1 2026 7.29x104 1.151 1 7.291x107

1 AÑO LUZ = 9.4600x1012

km 1 PARSEC = 3.084x1013

km 1 BRAZA = 6 Pies 1 PÉRTIGA = 16.5 Pies 1 mil = 10-3

Pulgadas 1 LEGUA = 3 millas 1 FURLONG = 660 Pies 1 CADENA = 66 Pies 1 ROD = 16.5 Pies

SUPERFICIE

km2 hm2 dam2 m2 cm2 mm2 plg2 ft2 yd2 Acre Mili = plg circular

1 kilometro cuadrado 1 102 104 106 1010 1012 1.55x109 1.0764x107 1.196x106 247.104 1.974x1015

1 hectómetro cuadrado 10-2 1 102 104 108 1010 1.55x107 1.076x105 1.196x104 2.471 1.973x1013

1 decámetro cuadrado ó 1 Área

10-4 10-2 1 102 106 108 1.55x105 1.0764x103 1.196x102 0.02471 1.973x1011

1 metro cuadrado 10-6 10-4 10-2 1 104 106 1550 10.764 1.196 2.471x10-4 1.973x109

1 centímetro cuadrado 10-10 10-8 10-6 10-4 1 102 0.155 1.0764x10-3 1.196x10-4 2.471x10-8 1.973x105

1 milímetro cuadrado 10-12 10-10 10-8 10-6 10-2 1 1.55x10-3 1.0764x10-5 1.196x10-6 2.471x10-10 1.973x103

1 pulgada cuadrada 6.45x10-10 6.455x10-8 6.455x10-6 6.45x10-4 6.452 6.452x102 1 6.944x10-3 7.716x10-4 1.594x10-7 1.2729x106

1 pie cuadrado 9.29x10-8 9.2903x10-6 9.2903x10-4 9.29x10-2 929.03 9.29x104 144 1 0.11111 2.29568x10-5 1.833x108

1 yarda cuadrada 8.361x10-7 8.361x10-5 8.361x10-3 0.8361 8.361x103 8.361x105 1.296x103 9 1 2.0661x10-4 1.6493x109

1 Acre 4.04687x10-3 0.40468 40.47 4046.87 4.047x107 4.047x109 6.272x106 43360 4840 1 8x1012

1 mili = plg circular 5.0671x10-16 5.0671x10-14 5.0671x10-12 5.0671x10-10 5.0671x10-6 5.0671x10-4 7.854x10-7 5.454x10-9 6.061x10-10 1.25x10-13 1

1 milla cuadrada 2.59 259x102 2.59x104 2.59x106 2.59x1010 2.59x1012 4x109 2.7878x107 3.096x106 640 5.1113x1015

1 Barn 10-34 10-32 10-30 10-28 10-24 10-22 1.54x10-25 1.076x10-27 1.196x10-28 2.471x10-32 1.973x10-19

VOLUMEN CAPACIDAD GASTO

km3 hm3 dam3 m3 kl hl dal Litro dm3

dl cl cm3 mm3 ft3 plg3 yd3 galón fl Oz

1 kilometro cúbico

1 103 106 109 109 1010 1011 1012 1013 1014 1015 1018 3.5315x1010 6.1023x1013 1.3076x109 2.642x1011 3.382x1013

1 hectómetro cúbico

0.001 1 103 106 106 107 108 109 1010 1011 1012 1015 3.531x107 6.1023x1010 1.3078x106 2.642x108 3.381x1010

1 decámetro cúbico

10-6 0.001 1 103 1000 104 105 106 107 108 109 1012 3.531x104 6.102x107 1307.8 2.642x105 3.381x107

1 metro cúbico

10-9 10-6 10-3 1 1 10 100 1000 104 105 106 109 35.315 6.1023x104 1.3078 264.2 33820

1 kilolitro 10-9 10-6 10-3 1 1 10 100 1000 104 105 106 109 35.315 6.1023x104 1.3078 264.2 33820

1 hectolitro 10-10 10-7 10-4 0.1 0.1 1 10 100 1000 104 105 108 3.531 6102 0.13078 26.42 3382

1 decalitro 10-11 10-8 10-5 0.01 0.01 0.1 1 10 100 1000 104 107 0.3531 610.2 0.013078 2.642 338.2

1 litro 10-12 10-9 10-6 10-3 10-3 0.01 0.1 1 10 100 1000 106 0.035315 61.102 1.3076x10-3 0.2642 33.82

1 decilitro 10-13 10-10 10-7 10-4 10-4 10-3 0.01 0.1 1 10 100 105 3.5315x10-3 6.1023 1.3078x10-4 0.02642 3.382

1 centilitro 10-14 10-11 10-8 10-5 10-5 10-4 10-3 0.01 0.1 1 10 104 3.5315x10-4 0.61023 1.3078x10-5 2.642x10-3 0.3388

1 centímetro cúbico

10-15 10-12 10-9 10-6 10-6 10-5 10-4 10-3 0.01 0.1 1 103 3.5315x10-5 6.1023x10-2 1.3078x10-6 2.642x10-4 0.03382

1 milímetro cúbico

10-18 10-15 10-12 10-9 10-9 10-8 10-7 10-6 10-5 10-4 10-3 1 3.5315x10-8 6.1023x10-5 1.3078x10-9 2.642x10-7 3.382x10-5

1 pie cúbico 2.832x10-11 2.832x10-8 2.832x10-5 2.832x10-2 2.832x10-2 0.2832 2.832 28.32 283.2 2832 2.832x104 2.832x107 1 1728 0.03703 7.482 957.63

1 pulgada cúbica

1.639x10-14 1.639x10-11 1.639x10-8 1.639x10-5 1.639x10-5 1.639x10-4 1.639x10-3 1.639x10-2 0.1639 1.639 16.39 1.639x104 5.787x10-4 1 2.143x10-5 4.3302x10-3 0.54222

1 yarda cúbica 7.64559 x10-10

7.645x10-7 7.645x10-4 0.764559 0.764559 7.645 76.45 764.5 7645.59 76455.9 7.64559

x105 7.645x108 27 4.665x104 1 202 25851

1 Galón U.S.A.

3.785x10-12 3.785x10-9 3.785x10-6 0.003785 0.003785 3.785x10-2 0.3785 3.7854 37.853 378.53 3785 3.785x106 0.1336 231 4.9503x10-3 1 127.98

1 onza líquida U.S.A.

2.957x10-14 2.957x10-11 2.957x10-8 2.957x10-5 2.957x10-5 2.957x10-4 2.957x10-3 0.02957 0.2957 2.957 29.57 2.957x104 1.0443x10-3 1.90469 3.8677x10-5 7.8132x10-3 1

VELOCIDAD LINEAL cm/s m/s m/min km/min km/h mi/min mi/h

M/h ó nudo

ft/s ft/min yarda/h plg/s mach

1 cm/s 1 10-2 0.6 0.0006 0.036 3.728x10-4 0.02237 0.01944 0.03281 1.9685 39.40 0.3937 3x10-5

1 m/s 100 1 60 0.06 3.6 0.03728 2.237 1.944 3.281 196.8 3940 39.37 0.003

1 m/min 1.667 0.01667 1 0.001 0.06 6.213x10-4 0.03728 0.03238 0.05468 3.281 65.61 0.6562 5x10-5

1 km/min 1666.7 16.66 1000 1 60 0.6215 37.284 32.4 54.678 3280.8 65616 656.16 0.05

1 km/h 27.78 0.2778 16.67 0.01666 1 0.01035 0.6214 0.540 0.9113 54.68 1094.2 10.936 8.333x10-4

1 milla/min 2682 26.82 1609 1.609 96.56 1 60 52.104 88 5280 1.06x10-5 1056 0.08045

1 millas/h mph

44.70 0.4470 26.82 0.02682 1.609 0.01667 1 0.8684 1.467 88 1760.6 17.60 1.340x10-3

1 milla náutica/h ó nudo

51.48 0.5148 30.864 0.03086 1.853 0.01919 1.151 1 1.689 101.26 2027 20.2568 1.543x10-3

1 ft/s 30.48 0.3048 18.29 0.01829 1.0973 0.01136 0.6818 0.5921 1 60 1200 12 9.141x10-4

1 ft/min 0.5080 0.00508 0.3048 3.048x10-4 0.01829 1.894x10-4 0.011363 9.8715x10-3 0.01667 1 20.0216 0.200 1.52x10-5

1 yarda/h 0.0254 2.54x10-4 0.015241 1.52x10-5 9.1436x10-4 9.4x10-6 5.6818x10-4 4.937x10-4 8.333x10-4 0.05 1 10-2 7.619x10-7

1 plg/s 2.540 0.0254 1.5241 0.001524 0.09143 9.469x10-4 0.05682 0.04937 0.08333 5 100 1 7.61x10-5

1 mach 33333 333.33 2x104 20 1200 12.432 745.8 647.726 1094.09 65620 1.31x10-6 1.31x104 1

CAUDAL O FLUJO DE VOLUMEN

cm3/s m3/s m3/min m3/h l/s l/min ft3/s ft3/min Lb de H2O/min Gal/s Gal/min

1 cm3/s 1 10-6 6x10-5 3.6x10-3 10-3 0.06 3.531x10-5 0.00212 0.132164 2.641x10-4 0.01585

1 m3/s 106 1 60 3.6x103 103 6x104 35.31 2.12x103 1.3216x105 264 15850

1 m3/min 1.667x104 1.66x10-2 1 60 16.67 103 0.5886 35.287 2204 4.403 264.1

1 m3/ h 278 2.78x10-4 0.1667 1 0.278 16.67 9.81x10-3 0.588 36.7516 7.341x10-2 4.4046

1 l/s 103 10-3 0.06 3.6 1 60 3.5329x10-2 2.12 132.2 0.2641 15.85

1 l/min 16.67 1.667x10-5 10-3 0.06 1.667x10-2 1 5.886x10-4 3.53x10-2 2.204 4.403x10-3 0.2642

1 ft3/s 2.832x104 2.832x10-2 1.69916 101.95 28.32 1699.3 1 60 3745.9 7.48 448.83

1 ft3/min 472 4.720x10-4 2.832x10-2 1.6992 0.4720 28.32 1.667x10-2 1 62.4 0.1247 7.482

1 Lb de H2O/min 7.56 7.561x10-6 4.536x10-4 2.72x10-2 0.007566 0.454 2.669x10-4 1.601x10-2 1 2x10-3 0.12

1 Gal/s 3.782x103 3.785x10-3 0.22713 13.627 3.785 227.1 0.133671 8.019 500.7 1 60

1 Gal/min 63.083 6.308x10-5 3.7848x10-3 0.2271 0.0630 3.785 0.002228 0.1336 8.345 0.01667 1

1 cm3/min 0.01667 1.667x10-8 10-6 6x10-5 1.667x10-5 10-3 5.886x10-7 3.528x10-5 2.204x10-3 4.403x10-6 2.641x10-4

1 l/h 0.278 2.78x10-7 1.667x10-5 10-3 2.78x10-4 0.01667 9.81x10-6 5.883x10-4 0.03675 7.341x10-5 4.4046x10-3

1 yd3/min 1.274x104 1.274x10-2 0.7646 45.87 12.74 7.646x102 0.45 27 1685.6 3.367 202

MASA μg mg cg dg g dag hg kg mag

tonelada métrica

U.T.M. U.M.A. SLUG Oz lb tonelada

corta tonelada

larga grano

1 microgramo 1 10-3 10-4 10-5 10-6 10-7 10-8 10-9 10-10 10-12 1.02x10-10 6.022x1017 6.854x10-11 3.527x10-8 2.2045x10-9 1.1023 x10-12

9.8425 x10-13

1.543x10-5

1 miligramo 103 1 0.1 0.01 10-3 10-4 10-5 10-6 10-7 10-9 1.02x10-7 6.022x1020 6.854x10-8 3.527x10-5 2.2045x10-6 1.1023x10-9 9.8425 x10-10

0.015430

1 centigramo 104 10 1 0.1 0.01 0.001 10-4 10-5 10-6 10-8 1.02x10-6 6.022x1021 6.854x10-7 3.5273x10-4 2.2046x10-5 1.1023x10-8 9.8425 x10-9

0.1543236

1 decigramo 105 100 10 1 0.1 10-2 0.001 10-4 1x10-5 10-7 1.02x10-5 6.022x1022 6.854x10-6 3.5273x10-3 2.2045x10-4 1.1023x10-7 9.8425x10-8 1.543236

1 gramo 106 1000 100 10 1 0.1 10-2 10-3 10-4 10-6 1.02x10-4 6.024x1023 6.852x10-5 3.52739

x10-2 2.2046x10-3 1.1023x10-6

9.84205 x10-7

15.43

1 decagramo 107 104 103 100 10 1 0.1 0.01 10-3 10-5 1.02x10-3 6.022x1024 6.854x10-4 0.3527395 0.022046 1.1023x10-5 9.8425x10-6 154.3236

1 hectogramo 108 105 104 1000 100 10 1 0.1 10-2 10-4 1.02x10-2 6.022x1025 6.854x10-3 3.527395 0.22046 1.1023x10-4 9.8425 x10-5

1543.236

1 kg 109 106 105 1x104 103 100 10 1 0.1 10-3 0.102 6.024x1026 0.06852 35.27 2.2045 1.023x10-3 9.84205

x10-4 15430

1 miriagramo 1010 107 106 105 10000 1000 100 10 1 10-2 1.02 6.022x1027 0.6854 352.7395 22.04622 0.011023 9.8425x10-3 154323.6

1 tonelada métrica

1012 109 108 107 106 105 104 1000 100 1 102 6.024x1029 68.52 3.5273x104 2204.6 1.1023 0.98425 1.5432x107

1 U.T.M. 9.81x109 9.81x106 9.81x105 9.81x104 9810 981 98.1 9.81 0.981 9.81x10-3 1 5.913x1027 0.6724 346.031 21.6269 0.0108134 9.6555x10-3 151388

1 U.M.A. 1.66x10-18 1.66x10-21 1.66x10-22 1.66x10-23 1.660x10-24 1.66x10-25 1.66x10-26 1.66x10-27 1.66x10-28 1.66x10-30 1.692x10-28 1 1.137x10-28 5.855x10-26 3.66x10-27 1.829x10-30 1.63385 x10-30

2.5624 x10-23

1 SLUG 1.459x1010 1.459x107 1.459x106 1.459x105 1.459x104 1459 145.9 14.59 1.459 1.459x10-2 1.4872 8.789x1027 1 514.8 32.174 1.609x10-2 1.436x10-2 225154

1 onza Avoir dupois

2.835x107 28350 2835 283.5 28.35 2.835 0.2835 0.02835 0.002835 2.835x10-5 0.00288 1.708x1025 0.001943 1 0.0625 3.125x10-5 2.79035

x10-5 437.5

1 libra Avoir dupois

4.536x108 453600 4.536x104 4536 453.6 45.36 4.536 0.4536 0.04536 4.536x10-4 0.04623 2.732x1026 0.03108 16 1 0.0005 4.46456

x10-4 7000

1 tonelada corta U.S.A.

9.072x1011 9.072x108 9.072x107 9.072x106 9.072x105 9.072x104 9072 907.2 90.72 0.907185 92.477 5.465x1029 62.16 32000 2000 1 0.892913 1.40x107

1 tonelada larga inglesa

1.016x1012 1.1016x109 1.016x108 1.016x107 1.016x106 1.016x105 10160 1016 101.6 1.016047 103.56 6.120481

x1029 69.634 3.584x104 2240 1.120 1 1.5679x107

1 grano 6.48x104 64.80 6.48 0.648 0.0648 6.48x10-3 6.48x10-4 6.48x10-5 6.48x10-6 6.48x10-8 6.605x10-6 3.90606

x1022 4.4412x10-6 2.2857x10-3

1.42857 x10-4

7.1428x10-8 6.3779x10-8 1

PRESIÓN

BARIA Dina/cm2

PASCAL N/m2

MILIBAR BAR kp/m2 ATM kp/cm2 kgf/cm2

TORR mmHg

m.c.a. plgH2O cmHg lb/plg2 lb/ft2 plgHg ftH2O gf/cm2 cmH2O a 4°C

Ton mt/ m2

kp/mm2

1 BARIA Dina/cm2

1 0.1 10-3 10-6 0.0102 9.87x10-7 1.02x10-6 7.5x10-4 1.02x10-5 4.015x10-4 7.501x10-5 1.45x10-5 2.089x10-3 2.953x10-5 3.346x10-5 1.01974

x10-3 1.01974

x10-3 1.02x10-5 1.02x10-8

1 PASCAL N/m

2

10 1 10-2 10-5 0.102 9.87x10-6 1.02x10-5 7.5x10-3 1.02x10-4 4.015x10-3 7.501x10-4 1.45x10-4 2.089x10-2 2.953x10-4 3.346x10-4 1.01974

x10-2 1.01974

x10-2 1.02x10-4 1.02x10-7

1 MILIBAR 1000 100 1 10-3 10.20 9.87x10-4 1.02x10-3 0.75 0.0102 0.4015 0.07501 0.0145 2.089 0.02953 0.03346 1.02 1.02 0.0102 1.02x10-5

1 BAR 106 105 103 1 1.02x104 0.987 1.02 750 10.2 401.85 75.043 14.512 2089.86 29.545 33.475 1019.37 1019.37 10.2 0.0102

1 Kilopondio m2

98.1 9.81 0.0981 9.8x10-5 1 9.68x10-5 10-4 0.0736 10-3 3.936x10-2 7.35x10-3 1.422x10-3 0.2048 2.89x10-3 3.281x10-3 0.1 0.1 10-3 10-6

1 atmósfera 1.013x106 1.013x105 1.013x103 1.013 1.033x104 1 1.033 760 10.33 406.98 76 14.7 2.1172x103 29.92 33.92 1033.2 1033.2 10.33 0.01033

1 Kilopondio cm2

9.81x105 9.81x104 981 0.981 104 0.968 1 736 10 393.97 73.57 14.22 2.048x103 28.96 32.81 103 103 10 10-2

1 TORR ó mmHg

1.33x103 133 1.33 1.33x10-3 13.6 1.31x10-3 1.36x10-3 1 1.36x10-2 0.5353 0.1 1.934x10-2 2.7844 3.936x10-2 4.46x10-2 1.3595 1.3595 1.36x10-2 1.36x10-5

1 m columna de agua

9.81x104 9.81x103 98.1 9.81x10-2 103 9.68x10-2 0.1 73.6 1 39.389 7.357 1.4229 204.86 2.895 3.285 100 100 1 10-3

1 plgH2O a 4°C

2491 249.1 2.491 2.49x10-3 25.392 2.458x10-3 2.49x10-3 1.6679 0.02538 1 0.1868 3.613x10-2 5.202 0.07355 8.344x10-2 2.54 2.54 0.0254 2.54x10-5

1 cmHg a 0°C

1.33x104 1333 13.30 1.33x10-2 136 1.316x10-2 1.33x10-2 9.994 0.1357 5.353 1 0.1934 27.81 0.3936 0.4461 13.57 13.57 0.136 1.359x10-4

1 lb/plg2

PSI 6.895x104 6.895x103 68.95 6.589x10-2 703.1 6.805x10-2 7.026x10-2 51.57 0.7018 27.66 5.171 1 144 2.038 2.307 70.307 70.307 0.7026 7.026x10-4

1 lb/ft2 478.8 47.88 0.4788 4.788x10-4 4.8807 4.725x10-4 4.788x10-4 0.3586 4.87x10-3 0.1922 3.591x10-2 6.944x10-3 1 0.01414 0.01602 0.48824 0.48824 4.884x10-3 4.884x10-6

1 plgHg 3.386x104 3.386x103 33.86 0.03386 345.3 0.03342 0.03453 25.36 0.3445 13.6 2.5416 0.4915 70.73 1 1.133 34.53 34.53 0.345 3.453x10-4

1 ftH2O 2.939x104 2.939x103 29.69 0.02939 299.778 0.0295 0.03048 22.37 0.3039 12 2.2417 0.4335 62.43 0.8826 1 30.48 30.48 0.3048 3.048x10-4

1 gf/cm2 980.638 98.0638 0.9806 9.808x10-4 10 9.679x10-4 10-3 0.73556 9.99x10-3 0.39363 0.07353 0.01422 2.0482 0.02894 0.0328 1 1 0.01 10-5

1 cmH2O a 4°C

980.638 98.0638 0.9806 9.808x10-4 10 9.679x10-4 10-3 0.73556 9.99x10-3 0.39363 0.07353 0.01422 2.0482 0.02894 0.0328 1 1 0.01 10-5

1 Ton métrica m2

9.81x104 9.81x103 98.1 0.098 1000 0.0968 0.1 73.6 1 39.36 7.35 1.422 204.80 2.89 3.281 100 100 1 10-3

1 Kilopondio mm2

9.81x107 9.81x106 9.81x104 98 106 96.8 100 7.36x104 103 39360 7350 1422 204800 2890 3281 105 105 103 1

TRABAJO ENERGÍA CALOR ERG J kpm cal l·atm kW·h CV·h eV B.T.U. ft·lbf Hp·h MeV Kg UMA ft3·lbf/plg2

Megatón TNT

1 ERGIO 1 10-7 1.02x10-8 2.389x10-8 9.87x10-10 2.778x10-14 3.77x10-14 6.242x1011 9.481x10-11 7.376x10-8 3.725x10-14 6.242x105 1.113x10-24 670.5 5.12274 x10-10

2.39x10-23

1 JOULE 107 1 0.102 0.2389 9.87x10-3 2.778x10-7 3.77x10-7 6.242x1018 9.481x10-4 0.7376 3.725x10-7 6.242x1012 1.113x10-17 6.705x109 5.12339

x10-3 2.39x10-16

1 kilográmetro 9.81x107 9.81 1 2.343 0.0968 2.72x10-6 3.7x10-6 6.37x1019 9.294x10-3 7.233 3.652x10-6 6.12x1013 1.1091 x10-16

6.575x1010 5.0224x10-2 2.35x10-15

1 caloría 4.186x107 4.186 0.427 1 0.0413 1.63x10-6 1.58x10-6 2.62x1019 3.968x10-3 3.087 1.559x10-6 2.613x1013 4.659x10-17 2.807x1010 2.14302

x10-2 10-15

1 litro·atm 1.013x109 101.323 10.33 24.2 1 2.814x10-5 3.82x10-5 6.33x1020 0.0960417 74.735 3.77452

x10-5 6.33x1014 1.13x10-15 6.80x1011 0.519459 2.42x10-14

1 kW·hora 3.6x1013 3.6x106 3.67x105 8.6x105 3.55x104 1 1.36 2.247x1025 3413 2.655x106 1.341 2.247x1019 4.007x10-11 2.414x1016 18439.3 8.62x10-10

1 caballo de vapor · hora

2.66x1013 2.65x106 2.7x105 6.32x105 2.61x104 0.736 1 1.65x1025 2.506x103 1.95x106 0.98696 1.65x1019 2.94x10-11 1.77x1016 1.3542x104 6.34x10-10

1 electronvoltio 1.622x10-12 1.602x10-19 1.63x10-20 3.827x10-20 1.58x10-21 4.45x10-26 6.04x10-26 1 1.519x10-22 1.182x10-19 5.965x10-26 10-6 1.783x10-36 1.074x10-9 8.208x10-22 3.83x10-35

1 B.T.U. 1.055x1010 1055 107.6 252 10.41215 2.930x10-4 3.98x10-4 6.585x1021 1 777.9 3.929x10-4 6.585x1015 1.174x10-14 7.074x1012 5.40386 2.52x10-13

1 pie · libra fuerza 1.356x107 1.356 0.1383 0.3239 1.339x10-2 3.766x10-7 5.11684

x10-7 8.464x1018 1.285x10-3 1 5.051x10-7 8.464x1012 1.509x10-17 9.092x109 6.9444x10-3 3.24x10-16

1 caballo de fuerza · hora

2.685x1013 2.685x106 2.738x105 6.41617

x105 2.64935

x104 0.745701 1.01 1.676x1025 2545 1.980x106 1 1.676x1019 2.988x10-11 1.8x1016 13750 6.42x10-10

1 mega electronvoltio

1.602x10-6 1.602x10-13 1.63x10-14 3.821x10-14 1.58x10-15 4.45x10-20 6.04x10-20 106 1.519x10-16 1.182x10-13 5.965x10-20 1 1.786x10-30 1.074x10-3 8.2084 x10-16

3.83x10-29

1 kg (equivalente energía)

8.987x1023 8.987x1016 9.164x1015 2.147x1016 8.8719x1014 2.497x1010 3.3927 x1010

5.610x1035 8.521x1013 6.629x1016 3.348x1010 5.610x1029 1 6.025x1026 4.60463

x1014 21.49

1 unidad de masa atómica

1.492x10-3 1.492x10-10 1.52089 x10-11

3.564x10-11 1.472x10-12 4.145x10-17 5.6318 x10-17

9.31x108 1.415x10-13 1.1x10-10 5.558x10-17 931.0 1.660x10-27 1 7.6464 x10-13

3.57x10-26

1 pie3 lb fuerza plg2

1.95236 x109

195.238 19.9087 46.663 1.926757 5.4232x10-5 7.3686x10-5 1.21993

x1021 0.1850529 144 7.2727x10-5 1.2192x1015

2.1723 x10-15

1.309x1012 1 4.67x10-14

1 Megatón de TNT

4.18x1022 4.18x1015 4.26x1014 1015 4.13x1013 1.16x109 1.58x109 2.61x1034 3.96x1012 3.08x1015 1.56x109 2.61x1028 4.65x10-2 2.80x1025 2.14x1013 1

POTENCIA W kw MW cal/s kcal/s kcal/min BTU/h lb·ft/min lb·ft/s hp ergio/s

kpm/s kgm/s

CV

1 watt 1 10-3 10-6 0.2389 2.389x10-4 0.0143 3.413 44.25 0.7376 0.001341 107 0.102 1.36x10-3

1 kilowatt 1000 1 10-3 238.9 0.2389 14.3 3413 44250 737.6 1.341 1010 102 1.36

1 megawatt 106 103 1 2.38x105 238.9 1.43x104 3.413x106 4.425x107 7.37x105 1341 1013 1.02x105 1360

1 caloría s

4.186 4.186x10-3 4.186x10-6 1 10-3 0.06 14.29 185.2 3.087 5.613x10-3 4.186x107 0.427 0.00569

1 kcal/s 4186 4.186 4.186x10-3 103 1 60 1.429x104 1.852x105 3087 5.613 4.186x1010 427 5.69

1 kcal/min 69.8 0.0698 6.98x10-5 16.67 0.01667 1 238.16 3086 51.45 0.0935 6.98x108 7.11 0.0949

1 unidad térmica británica

0.293 2.93x10-4 2.93x10-7 0.07 7x10-5 0.0042 1 12.97 0.2161 3.929x10-4 2.93x106 0.02989 3.983x10-4

1 lb·ft/min 0.0226 2.26x10-5 2.26x10-8 5.3993x10-3 5.3995x10-6 3.24x10-4 0.07713 1 0.01667 3.03x10-5 2.26x105 2.305x10-3 3.07x10-5

1 lb·ft/s 1.356 0.001356 1.356x10-6 0.3239 3.239x10-4 0.01943 4.628 60 1 1.878x10-3 1.356x107 0.1381 1.843x10-3

1 caballo de fuerza

745.7 0.7457 7.457x10-4 178.2 0.1782 10.692 2545 3.3x104 550 1 7.45x109 76.07 1.014

1 ergio/s 10-7 10-10 10-13 2.389x10-8 2.389x10-11 1.433x10-9 3.413x10-7 4.425x10-6 7.376x10-8 1.341x10-10 1 1.02x10-8 1.36x10-10

1 kgm/s ó kpm/s

9.81 9.81x10-3 9.81x10-6 2.343 2.343x10-3 0.141 33.48 434 7.234 0.01314 9.81x107 1 0.0133

1 caballo de vapor

736 0.736 7.36x10-4 1.757x102 0.1757 10.54 2.511x103 32566 542.7 0.986 7.36x109 75 1

CARGA ELÉCTRICA

abcoulomb amp-h COUL faraday statcoulomb

1 abcoulomb (1 uem)

1 2.778x10-3 10 1.036x10-4 2.998x1010

1 ampere-hora

360 1 3600 3.730x10-2 1.079x1013

1 COULOMB 0.1 2.778x10-4 1 1.036x10-5 2.998x109

1 faraday 9652 26.81 9.652x104 1 2.893x1014

1statcoulomb (1 ues)

3.336x10-11 9.266x10-14 3.336x10-10 3.456x10-15 1

1 carga del electrón = 1.602 x10-9

coulomb

CORRIENTE ELÉCTRICA

abampere AMPERE statampere

1 abampere (1 uem)

1 10 2.998x10-12

1 AMPERE 0.1 1 2.988x10-13

1 statampere (1 ues)

3.336x1011 3.336x1012 1

POTENCIAL ELÉCTRICO, FUERZA ELECTROMOTRIZ

abvolt VOLTS statvolt

1 abvolt (1 uem)

1 10-8 3.336x10-11

1 VOLT 108 1 3.336x10-3

1 statvolt (1 ues)

2.998x1010 299.8 1

RESISTENCIA ELÉCTRICA

abohm-cm OHMS statohm

1 abohm-cm (1 uem)

1 10-9 1.113x10-21

1 OHM 109 1 1.113x10-12

1 statohm (1 ues)

8.987x1020 8.987x1011 1

RESISTIVIDAD ELÉCTRICA

1 abohm-cm μohm-cm ohm-cm 1 statohm OHM-M ohm mil circ./pie

1 abohm-cm (1 uem)

1 0.001 10-9 1.113x10-21 10-11 6.015x10-3

1 microohm-cm 1000 1 10-6 1.113x10-18 10-8 6.015

1 ohm-cm 109 106 1 1.113x10-12 0.01 6.015x106

1 statohm (1 ues)

8.987x1020 8.987x1017 8.987x1011 1 8.987x109 5.406x1018

1 OHM-METRO 1011 108 100 1.113x10-10 1 6.015x108

1 ohm-mil circular pie

166.2 0.1662 1.662x10-7 1.850x10-19 1.662x10-9 1

1 ues = 299.8 weber 1 ues =

2.655x10-9

amp-vuelta/m 1 pragilber = 4π amp-

vuelta 1 oersted = 1 gilbert

1 ues = 2.998x106

weber/m2 1 ues =

2.655x10-11

amp-vuelta 1 praoersted =

4π amp-vuelta/m

CAPACITANCIA

abfarad FARADS μfa

statfarad

1 abfarad (1 uem)

1 109 1015 8.987x1020

1 FARAD 10-9 1 106 8.987x1011

1 microfarad 10-15 10-6 1 8.987x105

1 statfarad (1 ues)

1.113x10-21 1.113x10-12 1.113x10-6 1

INDUCTANCIA

abhenry HENRY μh mh stathenry

1 abhenry (1 uem)

1 10-9 0.001 10-6 1.113x10-21

1 HENRY 109 1 106 1000 1.113x10-12

1 microhenry 1000 10-6 1 0.001 1.113x10-18

1 milihenry 106 0.001 1000 1 1.113x10-15

1 stathenry (1 ues)

8.987x1020 8.987x1011 8.987x1017 8.987x1014 1

FLUJO MAGNÉTICO

maxwell kilolínea WEBER

1 maxwell (1 línea ó 1 uem)

1 .001 10-8

1 kilolínea 1000 1 10-5

1 WEBER 108 105 1

INDUCCIÓN MAGNÉTICA

gauss kilolínea/plg2 Weber/m

2

= tesla miligauss gamma

1 gauss (línea por cm

2)

1 6.452x10-3 10-4 1000 105

1 kilolínea por plg

2

155.0 1 1.550x10-2 1.555x105 1.550x107

1 Webber por m2

(1 tesla) 104 64.52 1 107 109

1 miligauss 0.001 6.452x10-6 10-7 1 100

1 gamma 10-5 6.452x10-8 10-9 0.01 1

FUERZA MAGNETOMOTRIZ

abampere-vuelta AMP-VUELTA gilbert

1 abampere-vuelta 1 10 12.57

1 ampere-vuelta 0.1 1 1.257

1 gilbert 7.958x10-2 0.7958 1

INTENSIDAD DE CAMPO MAGNÉTICO H

abampere-vuelta/cm

amp-vuelta/cm amp-vuelta/plg AMP-VUELTA

/METRO oersted

1 abampere-vuelta centímetro

1 10 25.40 1000 12.57

1 ampere-vuelta centímetro

0.1 1 2.540 100 1.257

1 ampere-vuelta pulgada

3.937x10-2 0.3937 1 39.37 0.4947

1 ampere-vuelta metro

0.001 0.01 2.540x10-2 1 1.257x10-2

1 oersted 7.958x10-2 0.7958 2.021 79.58 1

UNIDADES ESPECIALES

Equivalencias métricas Equivalencias inglesas

1 Barril de petróleo 159 litros 42 galones US

1 Quintal de algodón 46.02 kg 101.244 libras

1 Saco de café 60 kg 132 libras

1 Quilate (piedras preciosas) 200 miligramos 1 carat

3.086 grains

1 Quilate de oro 1/24 parte de oro puro contenida en

una aleación 1 gold carat

Oro puro 24 quilates 24 carats

ALFABETO GRIEGO

Mayúscula Minúscula Nombre

Alfa

Beta

Gamma

Delta

Épsilon

Dseta

Eta

Theta

Iota

Capa

Lambda

Miu

Nu

Xi

Ómicron

Pi

Rho

Sigma

Tau

Ypsilon

FI

JI

Psi

Omega