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• Annas Fauzy

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CONVERSION FACTORS LENGTH 1m 1 ft 1 In 1 yd I mil (US) 1 km

= 3,28084 ft = 39,3701 In = 1010 Angstrom = 106 microns = 1,094 yd = 30,48 cm = 12 In = 2,54 cm = 25,4 mm = 0,9144 m = 3 ft = 36 In = 5280 ft = 1,60935 km = 1760 yd = 0,62137 mil

AREA / LUAS 1 ft2 = 929,0304 cm2 = 0,09290304 m2 = 144 In2 2 1 In = 6,4516 cm2 = 645,2 mm2 = 6,452.10-4 m2 2 1 yd = 0,836127 m2 = 9 ft2 = 1296 In2 1 mil2 = 640 Acre = 259 Ha 1 Acre = 4840 yd2 = 0,4047 Ha 2 1 km = 100 Ha = 0,3861 mil2 VOLUME 1 ft3 1 lt 1 m3 1 barel 1 gal (US) 1 gal (UK) 1 lt3

= 23316,85 cm3 = 1/27 yd3 = 0,02831685 m3 = 28,31685 lt = 7,481 gal = 1 dm3 = 1000 cm3 = 1000 ml = 35,3147.10-3 ft3 = 106 cm3 = 103 lt = 35, 3147 ft3 = 1,308 yd3 = 264,172 gal = 106 cc = 42 gal = 351 mpgal = 1 gal = 3,7853 lt = 231 In3 = 0,13368 ft3 = 4,546.10-3 m3 = 1/42 bbl = 7,48 gal

MASS & FORCE 1 kg = 2,20642 lbm = 0,06852 slug 1 pound = 1 lbm = 453,5924 gr = 0,454 kg = 7000 grain = 16 ounces (oz) = 1 lbf = 444820 dyne = 4,4482 N 1 metric-ton = 1000 kg = 2204,6 lbm 1 ton = 907,2 kg = 1 ton (short) = 2000 lb 1 slug = 1 lbfs2/ft = 32,174 lb = 14,594 kg 1 lbmol = 453,59 grmol 1 kgforce = 980665 dyne = 2,2046 lb = 1 kg 1N = 105 dyne = 1 kgm/s2 = 0,224809 lbf

PRESSURE 1 bar

= 105 N/m2 = 1,02 kg/cm2 = 106 dyne/cm2 = 14,5038 psla = 0,986923 atm = 750,061 mmHg = 29,32 InHg 1 atm = 760 mmHg at 0°C = 14,696 psla = 14,7 lb/In2 = 29,921 InHg at 32°F = 21163 lbf/ft2 = 33,899 ftH2O at 39,1°F or 4°C = 1,01325.106 dyne/cm2 = 1,033 kg/cm2 = 1033 g/cm2 = 1,01325.105 N/m2 = 1,0133 bar 1 atm metric = 98066,5 Pa = 1 kg/cm2 = 10 m kolom air = 14,22 psia 1 Pa = 1 N/m2 = 10-5 bar = 0,020885547 lbf/ft2 = 1,45.10-4 lbf/In2 or psia = 2,95334.10-4 InHg = 4,01445.10-3 InH2O = 10 dyne/cm2 = 0,0101968 cmH2O = 7,5.10-3 torr or mmHg = 1,01968.10-5 kgf/cm2 1 psia = 1 lbf/In2 = 144 lbf/ft2 = 0,995 psia = 0,06805 atm = 0,00689 mpa = 6894 Pa = 0,69 bar = 2,036 InHg 1 m kolom air = 9806 Pa = 0,1 kg/cm2 TEMPERATURE t (°C) = 5/9 (t°F-32) = T (K)-273,15 t (°F) = 9/5 t (°C) + 32 = T (R)-459,67 T (K) = t (°C) + 273,15 = 5/9 T (R) T (R) = t (°F) + 459,67 = 9/5 T (K) ∆t (°C) = ∆T (K) ∆t (°F) = ∆T (R) ∆t (°F) = 1,8 ∆t (°C) R CONSTANT R = 8,314 J/gmolK = 1,987 cal/gmolK = 8,314 Pam3/mol = 83,14 cm3bar/gmolK = 82,05 cm3atm/gmolK = 0,08205 ltatm/gmolK = 0,7302 ft3atm/lbmolR = 10,73 ft3psla/lbmolR = 1545,33 ftlbf/lbmolR = 1,986 Btu/lbmolR = 62,356 cm3(torr)/molK

VOLUME RATE 1 m3/s = 35,21 ft3/s = 2118,644 ft3/min = 127113,2579 ft3/hr = 15852,88523 gal/min or gpm = 13197,83555 Ukgal/min ENERGY 1J

1 eV 1Q 1 Quad 1 Btu

1 cal 1 kWh POWER 1 Kw

1 HP VICOSITY 1 lb/fthr 1 cp

1 kg/ms

= 1 kg m2/s2 = 1 N/m = 1 Watt.s = 107 erg = 107 dynecm = 10 cm3bar = 0,239006 cal = 9,86923 cm3atm = 5,12197.10-3 ft3psia = 0,737562 ftlb = 0,000947831 Btu = 1/900 Chu or centigrade heat unit = 1/4817 kcal = 2,777778.10-7 kWh = 1,602.10-19 J = 1018 Btu = 1055.1021 J = 1015 Btu = 251,98 cal = 1055,1 J = 10,409 ftatm = 777,97 ftlbf = 0,3676 ft3atm = 3,929.10-4 hp.h = 2,93.10-4 kWh = 107,6 kgm = 4,1868 J = 3,6.106 Nm

VELOCITY 1 m/s 1 km/hr

SPESIFIC AREA 1 m/s = 0,30484 ft2/ft3 = 0,01 cm2/cm3 SPESIFIC VOLUME 1 m3/kg = 16,025641 ft3/lb = 1000 cc/g MASS RATE 1 kg/s = 2,2046 lb/s = 7936,508 lb/hr = 132,2751323 lb/min = 3,6 metric ton/hr THERMAL CONDUCTIVITY 1 Btu/hrft2 (°F/ft) = 0,00413 cal/m2 (°C/cm) = 1,728 J/sm2 (°C/cm) 1 W/mK = 1Nm/msK = 0,5778 Btuft/ft2hr 0F = 0,859845227 kcalm/m2hr 0C = 0,002388344877 calcm/cm2 0C 2 0 1 W/m C = 0,1761 Btu/hft2 0F = 0,85984 kcal/hm2 0C DENSITY 1 gr/cc 1 lb/ft3 1 kg/m3

2

2

= 1000 kgm /s = 3411,805 Btu/hr = 1000 J/s = 1000VA = 239,006 cal/s = 737,562 ftlb/s = 56,8699 Btu/min = 1,34102 HP = 550 ftlb/s = 0,707 Btu/s = 745,7 W = 0,00413 g/cms = 0,000413 kg/ms = 0,01 polse = 0,01 g/cms = 0,001 kg/ms = 0,000672 lb/fts = 0,0000209 lbs/ft2 = 1 Ns/m2 = 0,67204301 lb/fts = 2418,964683 lb/fthr = 10 p or poise = 1000cp

DIFFUSIVITY OR KINEMATIC VISCOSITY 1 ft2/ hr = 0,258 cm2/s = 2,58.10-5 m2/s 2 1 m /s = 38744,67261 ft2/hr = 10000 cm2/s = 10000 St or Stokes = 106 cSt

= 3,28084 fps = 196,85 fpm = 11810,55864 fph = 3,6 km/hr = 1000 mph = 0,277778 m/s

= 1000 kg/cm3 = 1000 g/lt = 62,4273 lbm /ft3 = 8,3454 lbm /gal = 0,01601846 g/cm3 = 16,01846 kg/m3 = 0,06242587 lb/ft3 = 1 g/lt = 0,010022 lb/Ukgal = 8,347254.10-3 lb/Usgal

HEAT TRANSFER COEFFICIENT 1 Btu/hrft2 0F = 5,678 J/s m2 0C 2 1 W/m K = 1 Nm/m2sK = 0,17698734 Btu/ft2 hr 0F = 2,388345 10-5 cal/cm2s 0C Avogrado Boltzman Planck

No = 6,022 1023 /gmol k = 1,380 10-23 J/K h = 6,626 10-34 Js

ACCELERATION 1 m/sqs = 3,28084 ft/s2 = 42519686,4 ft/hr2 gravitasi bumi = 32,12 ft/s2 = 9,8 m/s2 INTERFACIAL SURFACE TENSION 1 N/m = 1000 dyne/cm = 1000erg/cm2 = 1 kg/s2 = 0,06854 lb/ft 1lb/ft = 14,59 N/m or J/m2