Conversion of units in Sugar Industry Equipment Design Calculations
This page provided some unit conversion factors. It will helpful to sugar industry Capacity and EDD calculations.
Length Conversion Factors
- 1 kilometer (km) – 1000 meters (m) = 0.62137 miles
- 1 meter (m) – 100 centimeter (cm)
- 1 centimeter (cm) = 0.001 m = 0.3937 in.
- 1 micron (μ) – 10-6 m
- 1 inch = 25.4 mm = 2.54 cm = 0.0254 m
- 1 inch = 0.08333 ft = 0.02778 yard = 1.578×10-5 millie = 0.25 hand
- 1 foot (ft) – 30.48 cm
- 1 mile = 1.6093 km = 1609.3 m = 63346 inch
- 1 mile = 5280 ft = 1760 yard
- 1 meter – 39.37 in.
- 1 kilometer – 0.6214 mile
- 1 Ångstrom = 1 Å = 10-10 m = 1×10-8 cm = 1×10-4 μm
- 1 Ångstrom = 0.0001 micron = 0.1 mμ = 3.937×10-9 inch
- 1 yard = 3 ft = 36 inch
- 1 yard = 0.9144 m = 5.682×10-4 mile
- 1 millimetre (mm )= 10-3 m = 0.03937 in = 1000 micron
Volume Conversion Factors
- 1 Liter (l) – 1000cm3
- 1 Liter (l) – 61.02 in3
- 1 Liter (l) – 0.03532 ft3
- 1 cubic meter (m3) – 35.32 ft3
- 1 cubic meter (m3) – 1000 l
- 1 cubic foot (ft3) – 7.481 U.S.gal
- 1 cubic foot (ft3) – 0.02832 m3
- 1 cubic foot (ft3) – 28.32 l
- 1 U.S. gallon (gal) – 231 in3
- 1 U.S. gallon (gal) – 3.785 l
- 1 British gallon – 1.201 U.S.gallon
- 1 British gallon – 277.4 in3
- 1 cm3 = 0.061 in3
Velocity Conversion Factors
- 1 m/sec = 3.28 Ft/sec = 2.24 m/hr
- 1 m/sec = 3.6 km/hr = 196.9 Ft/min
- 1 km/ hr = 0.91 Ft/sec = 0.62 m/hr
- 1 km/ hr = 0.278 m/sec = 54.68 Ft/min
- 1 ft / sec = 60 Ft/hr = 0.0341 m/hr
- 1 ft / sec = 0.305 m/sec = 1.097 km/hr
- 1 Yd/min = 3 Ft/min = 0.05 Ft/sec = 0.0341 m/hr
- 1 Yd/min = 0.0152 m/sec = 0.0549 km/hr
- 1 m/hr = 0.45 m/sec = 1.609 km/hr
- 1 m/hr = 1.47 Ft/sec = 88Ft/min
Acceleration Conversion Factors
- 1 standard gravity = 9.80665 m/sec2 = 32.17405 ft/sec2 = 386.1 in/sec2
- 1 ft/sec2 = 0.3048 m/sec2 = 30.48 cm/sec2
- 1 m/sec2 = 3.28084 ft/sec2 = 100 cm/sec2 = 39.37 inch/sec2
Density Conversion Factors
- 1 gm/cm3 = 1 gm/ml = 1000gm/lt = 3785.41 gm/gal
- 1 gm/cm3 = 1000 kg/m3 = 0.036127 lb/in3 = 62.428 lb/ft3
- 1 kg / m3 = 0.001 gm/cm3 = 3.7854 gm/gal
- 1 kg / m3 = 0.062428 lb/ft3 =0.350507 lb/bbl
- 1 lb/in3 = 27.6799 gm/cm3 = 27679.9 kg/cm3
- 1 lb/in3 = 1728 lb/ft3 = 104779.8 gm/gal
- 1 gm/ft3 = 0.016018 gm/ml (or) gm/cm3= 16.01846 kg/m3
- 1 gm/ft3 = 0.000579 lb/in3 = 0.133681 lb/ gal
Power Conversion Factors
- 1.0 watt = 1.0 joule/second = 3.413 Btu/hr
- 1.0 kilowatt (kW) = 3413 Btu/hr = 1.341 horsepower
- 1.0 kilowatt-hour (kWh) = 3.6 MJ = 3413 Btu
- 1.0 horsepower (hp) = 550 foot-pounds per second = 42.39055 btu/min. = 2544.433 Btu/hr
- 1.0 horsepower (hp) = 745.7 watts = 0.746 kW = = 178.23 Cal/sec = 10693.8 Cal/min.
- 1 Btu/hr = 0.000393 hp = 0.01666 Btu/min. = 0.000293 kW = 0.293 Watt (or) joule/sec
- 1 Btu/min. = 0.02359 hp = 60.0236 Btu/hr = 0.017591 kW = 17.5912 Watt (or) joule/sec
Energy Conversion Factors
- 1.0 joule (J) = one Newton applied over a distance of one meter = 1 kg m2/s2
- 1.0 calorie = 4.187 J
- 1.0 joule = 0.239 calories (cal)
- 1.0 gigajoule (GJ) = 278 kWh
- 1.0 British thermal unit (Btu) = 1055 joules (1.055 kJ)
- 1000 Btu/US gallon = 0.279 megajoules per liter
- 1000 Btu/lb = 2.33 gigajoules per tonne (GJ/t)
Pressure Conversion Factors
- 1 atmosphere = 29.9213 in Hg = 760mm of Hg = 14.696 PSI or lb/in2
- 1 atmosphere = 1.01295 bar = 1.03325 kg/cm2 = 1.01295 x 105 N/m2
- 1 bar = 0.9872 atmosphere = 29.54 in Hg = 1.02 kg/cm2
- 1 bar =1000mbar =14.50 PSI = 750.2838 mm Hg = 1 x 105 Pa or N/m2
- 1 in Hg = 3.342 x 10-2 atmosphere = 3.385 x 10-2 bar = 13.598 in water
- 1 in Hg = 3385 Pa or N/m2 = 0.4912 psi or lb/in2 = 3.4532 x 10-2 kg/cm2
- 1 kg/cm2 = 0.9678 atmosphere = 0.9804 bar
- 1 kg/cm2 = 28.958 in Hg = 393.76 in. water
- 1 kg/cm2 = 9.804 x 104 Pa or N/m2 = 14.223 psi or lb/in2
- 1 Pa or N/m2 = 1.020 x 10-5 kg/cm2 = 2.954 x 10-4 in. Hg
- 1 Pa or N/m2 = 0.01 mbar = 1x 10-5 bar = 1.4508 x 10-4 psi or lb/in2
- 1 psi or lb/in2 = 0.068046 atmosphere = 0.068948 bar
- 1 psi or lb/in2 = 7.0309 x 10-2 kg/cm2 = 2.036 in. Hg
- 1 psi or lb/in2 = 6.8927 x 103 Pa or N/m2 = 51.71 torr or mm Hg
- 1 mm Hg = 1.3158 x 10-3 atmosphere = 1.3328 x 10-3 bar
- 1 mm Hg = 1.3328 mbar = 1.3328 x 10-3 bar
- 1 mm Hg = 133.28 Pa or N/m2 = 1.934 x 10-2 psi or lb/in2
Specific Volume Conversion Factors
- 1 m3/kg = 1000 lt /kg = 16.02 ft3/lb = 27680 inch3/lb
- 1 m3/kg = 119.8 gal(US)/lb = 99.7764 gal(UK)/lb
- 1 liter /kg = 0.01602 ft3/lb = 27.7 inch3/lb = 0.001 m3/kg
- 1 liter /kg = 0.12 gal(US)/lb
- 1 inch3/lb = 0.00058 ft3/lb = 0.0043 gal(US)/lb = 0.036 liter/kg = 3.6 x 10-5 m3/kg
- 1 ft3/lb = 7.4805 gal(US)/lb = 6.22884 gal(UK)/lb
- 1 ft3/lb = 1728 inch3/lb = 62.43 liter/kg = 0.062 m3/kg
- 1 gal(UK)/lb = 1.2010 gal(US)/lb
- 1 gal(US)/lb = 0.83267 gal(UK)/lb
Force and Torque Conversion Factors
- 1 Pound ( lb) = 4.448 Newtons ( N)
- 1 dyne = 1×10-5 N = 1 gm. cm/s2
- 1 Newtons ( N) = 1 kg m /s2 = 0.2248 1 Pound ( lb) = 105 dyne
- 1 newton – meter ( N – m) = 0.7376 Pound – feet ( lb-ft)
- 1 newton – meter ( N – m) =8.851 Pound – inches ( lb – in)
- 1 Pound – inches ( lb-in) = 0.0833 Pound – feet ( lb-ft)
- 1 Pound – inches ( lb-in) = 0.007062 newton – meter ( N – m)
- 1 Pound – feet ( lb-ft) = 12 Pound – inches ( lb – in)
- 1 Pound – feet ( lb-ft) = 1.356 newton – meter ( N – m)
Dynamic Viscosity Conversion Factors
- 1 centipoise = 1 gm / cm . Sec
- 1 centipoise = 0.01 poise = 0.001 Pa . Sec
- 1 centipoise = 2.4191 lb/ ft .hr = 0.000672 lb / ft .sec
- 1 centipoise = 1 gm / cm . Sec = 3.6 kg /m .hr
- 1 Poise = 100 centipoise = 0.1 pa .sec
- 1 poise = 241.909 lb/ ft .hr = 0.067197 lb / ft .sec
- 1 poise = 100 gm / cm . Sec = 360 kg /m .hr
- 1 Pa .sec = 10 poise = 2419.088 lb/ ft .hr = 0.67197 lb / ft .sec
- 1 Pa. Sec = 1000 gm/cm. Sec = 3600 kg /m .hr
- 1 lb/ ft .hr = 0.413379 centipoise = 0.000413 Pa. sec = 1.488 kg/ m.hr
- 1 lb/ ft .sec = 1488.164 centipoise = 14.88164 poise =1.488164 Pa. sec = 5357.39 kg/ m.hr
- 1 kg /m .hr = 0.277778 centipoise = 0.671969 lb / ft. hr = 0.000187 lb / ft .sec
Kinematic Viscosity Conversion Factors
- 1 stoke = 1 cm2 / sec
- 1 centistoke = 0.01 stoke = 1.08 x 10-5 ft2 /sec = 0.03875 ft2 /hr = 10-7 m2/sec = 0.0036 m2 /hr
- 1 stoke = 100 centistoke = 1.076 x 10-3 ft2 /sec = 3.875 ft2 /hr = 10-4 m2/sec = 0.36 m2 /hr
- 1 ft2 /sec = 929.0304 stoke = 3600 ft2/hr = 0.092903 m2/sec = 334.451 m2 /hr
- 1 ft2 /sec = 0.258064 stoke = 2.78 x 10-4 ft2 /sec =2.58 x 10-5 m2/sec = 0.092903 m2 /hr
- 1 m2/sec = 10000 stoke = 10.76391 ft2/sec = 38750.08 ft2/hr = 3600 m2 /hr
- 1 m2/ hr = 2.7777 stoke = 10.7639 ft2/hr = 0.0029899 ft2 /hr = 2.77 x 10-4 m2 /sec
Mass Flowrate Conversion Factors
- 1 kg /sec = 2.204622 lb /sec = 132.2774 lb /min. = 7936.64 lb/hr
- 1 kg /sec = 59.999 kg/ min. = 3600 kg/hr.
- 1 lb/sec = 60 lb/min. = 0.453592 kg/ sec = 27.21554 kg/min. = 1632.933 kg/hr
- 1 lb/min. = 0.16667 lb /sec = 1440 lb/day = 0.00756 kg/sec = 0.453592 kg/min.
Heat Transfer Coefficient Conversion Factors
- 1 watt /m2 /oC = 1 watt/m2/oK
- 1 Kcal/ hr/ m2/oC = 0.204816 Btu / hr/ ft2 /oF = 2.78 x 10-5 cal/sec/cm2/oC
- 1 Kcal/ hr/ m2/oC =0.000116 watt/cm2 /oC = 1.163 watt/m2/oC
- 1 Btu / hr/ ft2 /oF =0.000136 cal/sec/cm2/oC = 4.8824 Kcal/ hr/ m2/oC
- 1Btu/hr/ft2/oF = 0.000568 watt/cm2 /oC = 5.678 watt/m2/oC
- 1 Watt / m2/oC = 0.17611 Btu / hr/ ft2 /oF = 2.39 x 10-5 cal/sec/cm2/oC
- 1 watt / m2 /oC = 0.859845 Kcal/ hr/ m2/oC = 0.0001 watt /cm2/oC
Thermal Conductivity Conversion Factors
- 1 Kcal /hr/m/oC = 0.671969 Btu/hr/ft/oF = 0.002778 cal/sec/cm/oC
- 1 Kcal /hr/m/oC = 0.01163 Watt /cm/oC = 1.163 watt/m/oC
- 1 Btu/hr/ft/oF = 4.134 x 10-3 cal/sec/cm/oC = 1.488 Kcal/hr/m/oC
- 1 Btu/hr/ft/oF = 0.0173 watt/cm/oC = 1.73 watt/m/oC
- 1 Watt / m/oC = 0.5777 Btu / hr/ ft /oF = 2.39 x 10-3 cal/sec/cm/oC
- 1 watt / m/oC = 0.859845 Kcal/ hr/ m/oC = 0.01 watt /cm /oC
- 1 Watt /cm /oC =57.778 Btu / hr/ ft /oF = 0.23884 cal/sec/cm/oC
- 1 watt / cm /oC = 85.9845 Kcal/ hr/ m/oC = 100 watt / m /oC
Heat Flux Conversion Factors
- 1 Kcal/ hr/ m2 = 0.368669 Btu / hr/ ft2 = 2.78 x 10-5 cal/sec/cm2
- 1 Kcal/ hr/ m2 =0.000116 watt/cm2 = 1.163 watt/m2
- 1 Btu / hr/ ft2 = 7.5346 x 10-5 cal/sec/cm2/oC = 2.71246 Kcal/ hr/ m2
- 1Btu/hr/ft2 = 3.154 x 10 -4 watt/cm2 = 3.1546 watt/m2
- 1 Watt / m2 = 0.31699 Btu / hr/ ft2 = 2.39 x 10-5 cal/sec/cm2
- 1 watt / m2 = 0.859845 Kcal/ hr/ m2 = 0.0001 watt /cm2
Specific Energy Conversion Factors
- 1 Cal/kg = 0.0018 Btu /lb = 0.001 cal /gm
- 1 Cal/kg = 0.004187 joule /gm = 4.1868 joule /kg
- 1 Joule /kg = 4.299 x 10-4 Btu/lb = 2.388 x 10-4 cal/gm
- 1 Joule /kg = 0.001 joule /gm = 0.23884 cal/kg
- 1 Btu /lb = 0.5555 cal/gm = 555.55 cal/kg
- 1 Btu/ lb = 2.326 joule /gm = 2326 joule /kg
Specific Heat Conversion Factors
- 1 cal / gm /oC = 1 Btu/ lb/ oF
- 1 cal /kg /oC = 0.001 Btu/ lb/ oF = 4.1868 joule/ kg/oC = 0.004187 joule/ gm/ oC
- 1 joule/ kg/ oC = 2.388 x 10-4 Btu /lb /oF = 0.2388 cal /kg/oC = 0.001 joule/ gm/ oC
- 1 Btu/ lb/ oF = 1000 cal /kg/oC = 4186.8 joule /kg/oC
Temperature Conversion Formulas
- Degrees Fahrenheit – F
- Degrees Celsius – C
- Degrees Rankin – R
- Degrees Kelvin – K
- C = 5/9 (F – 32 )
- F = (9/5)C + 32
- R = F + 459.69
- K = C + 273.16
Frequency
1Hz ( hertz) = 1 cps ( cycle/second )
Angular Distance Conversion Factors
1 Degree = 60 minutes = 3600 Seconds = 0.07145 Radians
Stress Conversion Factors
- 1 N/m2 = 1 Pa = 10-6 N/mm2 = 1.4504 x10-4 lb/in2
- 1 psi (lb/in2) = 144 psf (lb/ft2)
- 1 psi (lb/in2) = 6894.8 Pa (N/m2) = 6.895×10-3 N/mm2
Sound pressure level
- 1 bel = 1.15129 neper
- 1 decibel = 0.11529 neper
- 1 neper = 8.68589 decibel
- 02 pascal = 60 decibel
Rotation Conversion Factors
- 1 deg/min = 0.043 Hz = 0.01745 rad/min = 1.047 rad/h = 0.002778 rpm = 4 revolutions/day
- 1 Hz = 1 revolutions /second = 1 cycle/second = 60 rpm = 2π radians/second
- 1 Hz = 6.28 radians/second = 22619 radians/hour = 360 degree/sec
- 1 revolutions/ second = 1 Hz = 1 cycle/second = 60 rpm = 360 deg/s
- radians/hour = 4.42×10-5 Hz = 2.65×10-3 rpm = 0.9549 deg/min
- 1 radians/second = 0.159 cycle/second = 9.549 rpm = 57.30 deg/sec
Concentrations
- 1 milligram/Liter – 1 PPM (part per million)
- 1 microgram/Liter – 1 PPB (part per billion)
- 1 nanogram/Liter – 1 PPT (part per trillion)
Numbering System
Prefix | Symbol | Numerically | Name | |
Tera | T | 1 000 000 000 000 | 1012 | Trilion |
Giga |
G | 1 000 000 000 | 109 | billion |
Mega | M | 1 000 000 | 106 | million |
Kilo | k | 1 000 | 103 | Thousand |
Hecto | h | 1 00 | 102 | Hundred |
Centi | c | 0.01 | 10-2 | hundredth |
Milli | m | 0.001 | 10-3 | thousandth |
Micro | μ | 0.000 001 | 10-6 | millionth |
Nano | n | 0.000 000 001 | 10-9 | billionth |
Pico | p | 0.000 000 000 001 | 10-12 | billion |
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