Dimensional Analysis (Unit Conversions). Conversion Factors.
Unit conversion
22
Page 1 of 22 Conversion of units Enter your desired value of given unit in place of 1 in "Value" col answer in the "Value" column of "Required unit" Sr. Parameter Given unit Required unit No. Unit Value Unit Value 1 Length m 1 ft 3.280839 m 1 ft 3.280839 mm 1 ft 0.0032808 cm 1 ft 0.032808 in 1 ft 0.0833333 ft 1 m 0.3048 ft 1 mm 0.00030 ft 1 cm 0.00304 ft 1 in 12 in 1 ft 0.0833333 2 Area 1 10.763910 1 1.076391E 1 0.001076 1 0.0069444 hacter 1 107639 acre 1 43559.953 1 0.092903 1 92903.0 1 929.030 1 144 3 Volume 1 35.314666 1 3.531467E 1 3.531467E 1 0.0005787 l 1 Imp. gal. 0.21996 l 1 US gal. 0.26417 Imp. gal. 1 l 4.5460951 US gal. 1 l 3.7854125 1 0.0283168 1 28316846. 1 28316.846 m 2 ft 2 mm 2 ft 2 cm 2 ft 2 in 2 ft 2 ft 2 ft 2 ft 2 m 2 ft 2 mm 2 ft 2 cm 2 ft 2 in 2 m 3 ft 3 mm 3 ft 3 cm 3 ft 3 in 3 ft 3 ft 3 m 3 ft 3 mm 3 ft 3 cm 3
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Transcript of Unit conversion
Page 1 of 12
Conversion of units
Enter your desired value of given unit in place of 1 in "Value" column of "Given unit" to get
answer in the "Value" column of "Required unit"
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
1 Length
m 1 ft 3.280839895
m 1 ft 3.280839895
mm 1 ft 0.0032808399
cm 1 ft 0.032808399
in 1 ft 0.0833333333
ft 1 m 0.3048
ft 1 mm 0.0003048
ft 1 cm 0.003048
ft 1 in 12
in 1 ft 0.0833333333
2 Area
1 10.763910417
1 1.076391E-05
1 0.001076391
1 0.0069444444
hacter 1 107639
acre 1 43559.953298
1 0.09290304
1 92903.04
1 929.0304
1 144
3 Volume
1 35.314666721
1 3.531467E-08
1 3.531467E-05
1 0.0005787037
l 1 Imp. gal. 0.219969
l 1 US gal. 0.264172
Imp. gal. 1 l 4.5460951316
US gal. 1 l 3.7854125343
1 0.0283168466
1 28316846.592
1 28316.846592
m2 ft2
mm2 ft2
cm2 ft2
in2 ft2
ft2
ft2
ft2 m2
ft2 mm2
ft2 cm2
ft2 in2
m3 ft3
mm3 ft3
cm3 ft3
in3 ft3
ft3 m3
ft3 mm3
ft3 cm3
Page 2 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
1 1728
4 Velocity m/s 1 ft/s 3.280839895
ft/s 1 m/s 0.3048
5 Acceleration
1 0.3048
1 0.003048
1 3.280839895
6 Density 1 16.018464433
1 0.0624279564
1 1000
1 0.001
7 Volumetric flow rate
1 35.314666721
1 35.314666721
1 0.5885777787
1 1.6990107955
GPM (IMP) 1 0.1287310784
GPM (IMP) 1 lpm 4.5460951316
GPM (IMP) 1 0.2727657079
GPM (US) 1 0.107190946
GPM (US) 1 lpm 3.7854125343
GPM (US) 740 168.07231652
lpm 1 GPM (IMP) 0.219969
lpm 1 GPM (US) 0.264172
8 Mass
Kg 1 lbm 2.204622476
lbm 1 Kg 0.4535924
9 Pressure atm 1 101325
bar 1 100000
1 98088
atm 1 kPa 101.325
bar 1 kPa 100
1 kPa 98
atm 1 psi 14.69595
bar 1 psi 14.50377
1 psi 14.2
atm 1 1.033
ft3 in3
ft/s2 m/s2
ft/s2 cm/s2
m/s2 ft/s2
lbm/ft3 kg/m3
kg/m3 lbm/ft3
g/cm3 kg/m3
kg/m3 g/cm3
m3/s ft3/s
m3/hr ft3/hr
m3/hr ft3/min
ft3/min m3/hr
ft3/min
m3/hr
ft3/min
m3/hr
Pascal(N/m2)
Pascal(N/m2)
kg/cm2 Pascal(N/m2)
kg/cm2
kg/cm2
kg/cm2
Page 3 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
atm 1 bar 1.01325
1 bar 1.01949
atm 1 mmWC 10336
bar 1 mmWC 10201
1 mmWC 10000
10 Vacuum mmWC 1 atm 9.674923E-05
mmWC 1 bar 9.803115E-05
mmWC 1 0.0001
in WC 1 atm 0.0024574303
in WC 1 bar 0.0024899913
in WC 1 0.00254
TORR 1 atm 0.0013157895
TORR 1 bar 0.0013333333
TORR 1 0.0013586957
atm 1 mmWC 10336
bar 1 mmWC 10200.84
1 mmWC 10000.0
atm 1 in WC 406.93
bar 1 in WC 401.61
1 in WC 393.701
atm 1 TORR 760.00
bar 1 TORR 750.00
1 TORR 736.00
11 Force
kgf 1 lbf 2.204620
kgf 1 N 9.806650
12 Temperature
°C 1 °F 33.8000
°C 1 °K 274.1600
°C 1 °R 493.4700
°F 1 °C -17.2222
°K 1 °C -272.1600
°R 1 °C -272.5944
13 Power
kW 1 hp 1.3405
hp 1 kW 0.7460
kW 1 kcal/hr 860.0000
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
Page 4 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
kcal/hr 1 kW 0.0012
Btu/hr 1 kcal/hr 0.2520
kcal/hr 1 Btu/hr 3.9683
Chu/hr 1 kcal/hr 0.4537
14 Refrigeration
TR 1 Btu/hr 12000.0000
TR 1 kcal/hr 3024.0000
Btu/hr 1 TR 8.333333E-05
kcal/hr 1 TR 0.0003306878
15 Calorific value Btu/lb 1 kcal/kg 0.555564864
kcal/kg 1 Btu/lb 1.7999698413
kcal/kg 1 kJ/kg 4.1860000
kWh/kg 1 kcal/kg 860.00
kJ/kg 1 kcal/kg 0.2388915
16 Specific heat capacity
Btu/lb °F 1 kcal/kg °C 1.000
kcal/kg 1 Btu/lb 1.000
kJ/kg °C 1 kcal/kg °C 4.1860
17 Thermal Conductivity
W/m°K 1 kcal/hr m °C 0.86
kcal/hr m °C 1 W/m°K 1.1628
Btu / h ft °F 1 kcal/hr m °C 1.4891661195
kcal/hr m °C 1 Btu / h ft °F 0.6715167549
18 Heat transfer coefficient
1 0.86
1 1.1628
1 4.882509765
1 0.2048126984
19 Heat flux
1 5.9800504264
1 0.1672226702
20 Stress
1 9.80665
1 0.1019716213
1 0.0003973905
1 2516.416
1 0.0030510063
1 327.761
W/m2 °K kcal/hr m2 °C
kcal/hr m2 °C W/m2 °K
Btu / h ft2 °F kcal/hr m2 °C
kcal/hr m2 °C Btu / h ft2 °F
Btu / lb ft2 kcal/kg ft2
kcal/kg ft2 Btu / lb ft2
kgf/mm2 Mpa (N/mm2)
Mpa (N/mm2) kgf/mm2
lbf/ft2 Mpa (N/mm2)
Mpa (N/mm2) lbf/ft2
lbf/in2 (psi) Mpa (N/mm2)
Mpa (N/mm2) lbf/in2 (psi)
Page 5 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
21 Bending moment (torque) kgf.m 1 N.m 9.80665
lbf.ft 1 N.m 1.355818
lbf.in 1 N.m 0.119848
N.m 1 kgf.m 0.1019716213
N.m 1 lbf.ft 0.7375621212
N.m 1 lbf.in 8.3439022762
22 Moment if inertia 1 0.04214011
1 23.730360457
23 Momentum (lbm.ft)/s 1 (kg.m)/s 0.138255
(kg.m)/s 1 (lbm.ft)/s 7.2330114643
lbm.ft2 kg.m2
kg.m2 lbm.ft2
Instruction for using this program
1 Program is prepared by using simple formulas in excel
2 Program for units conversion is given in the "conversion of units" sheet of the same file
3
4 Following notations are used for representing units
m = Metercm = Centi metermm = Mili meterin = Inchft = Feetl = Liters = Secondlb = PoundPa = Pascalpsi = Pound per square inch
mm WC = mm of water columnin WG = Inches of Water Column
°F = Temperture in degree fahrenheit°C = Temperature in degree centigrade°R = Temperature in degree Rankine°K = Temperature in degree Kelvine
atm = Pressure in atmospherebar = Pressure in bar
GPM(IMP) = Gallons per minute (imperial)GPM(US) = Gallons per minute (US)
lpm = Liters per minuteTR = Ton of refirgerationBtu = British thermal unitChu = Chemical heat unit
N = Newton forcekpa = Kilo pascalMpa = Mega pascal
82 psi300 0.077 0.58 0.657250 0.0595 0.51 0.5695200 0.049 0.41 0.459150 0.042 0.32 0.362100 0.028 0.22 0.248
1200 0.28 0.28
700 2.019
In the column of "given unit" value of the unit is taken as 1, in place of 1 any desired value can be put and its value in the required converted unit will be displayed automatically. For example 1 m is equal to 3.2808 ft and 5 m is 16.404 ft which is displayed by colour cells.
294 0.98509 2.04137 0.68108 0.7237 0.37
501 0.4210852107
Page 8 of 12
Conversion of units
Enter your desired value of given unit in place of 1 in "Value" column of "Given unit" to get
answer in the "Value" column of "Required unit"
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
1 Length
m 1 ft 3.280839895
m 1 ft 3.280839895
mm 1 ft 0.0032808399
cm 1 ft 0.032808399
in 1 ft 0.0833333333
ft 1 m 0.3048
ft 1 mm 0.0003048
ft 1 cm 0.003048
ft 1 in 12
in 1 ft 0.0833333333
2 Area
1 10.763910417
1 1.076391E-05
1 0.001076391
1 0.0069444444
hacter 1 107639
acre 1 43559.953298
1 0.09290304
1 92903.04
1 929.0304
1 144
3 Volume
1 35.314666721
1 3.531467E-08
1 3.531467E-05
1 0.0005787037
l 1 Imp. gal. 0.219969
l 1 US gal. 0.264172
Imp. gal. 1 l 4.5460951316
US gal. 1 l 3.7854125343
1 0.0283168466
1 28316846.592
1 28316.846592
m2 ft2
mm2 ft2
cm2 ft2
in2 ft2
ft2
ft2
ft2 m2
ft2 mm2
ft2 cm2
ft2 in2
m3 ft3
mm3 ft3
cm3 ft3
in3 ft3
ft3 m3
ft3 mm3
ft3 cm3
Page 9 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
1 1728
4 Velocity m/s 1 ft/s 3.280839895
ft/s 1 m/s 0.3048
5 Acceleration
1 0.3048
1 0.003048
1 3.280839895
6 Density 1 16.018464433
1 0.0624279564
1 1000
1 0.001
7 Volumetric flow rate
1 35.314666721
1 35.314666721
1 0.5885777787
1 1.6990107955
GPM (IMP) 1 0.1287310784
GPM (IMP) 1 lpm 4.5460951316
GPM (IMP) 800 218.21256632
GPM (US) 800 85.752756816
GPM (US) 1 lpm 3.7854125343
GPM (US) 1 0.2271247521
lpm 1 GPM (IMP) 0.219969
lpm 1 GPM (US) 0.264172
8 Mass
Kg 1 lbm 2.204622476
lbm 1 Kg 0.4535924
9 Pressure atm 1 101325
bar 1 100000
1 98088
atm 1 kPa 101.325
bar 1 kPa 100
1 kPa 98
atm 1 psi 14.69595
bar 1 psi 14.50377
1 psi 14.2
atm 1 1.033
ft3 in3
ft/s2 m/s2
ft/s2 cm/s2
m/s2 ft/s2
lbm/ft3 kg/m3
kg/m3 lbm/ft3
g/cm3 kg/m3
kg/m3 g/cm3
m3/s ft3/s
m3/hr ft3/hr
m3/hr ft3/min
ft3/min m3/hr
ft3/min
m3/hr
ft3/min
m3/hr
Pascal(N/m2)
Pascal(N/m2)
kg/cm2 Pascal(N/m2)
kg/cm2
kg/cm2
kg/cm2
Page 10 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
atm 1 bar 1.01325
1 bar 1.01949
atm 1 mmWC 10336
bar 1 mmWC 10201
1 mmWC 10000
10 Vacuum mmWC 1 atm 9.674923E-05
mmWC 1 bar 0.00009803
mmWC 1 0.00010000
in WC 1 atm 0.0024574303
in WC 1 bar 0.00248999
in WC 1 0.00254000
TORR 1 atm 0.0013157895
TORR 1 bar 0.00133333
TORR 1 0.00135870
atm 1 mmWC 10336
bar 1 mmWC 10200.84
1 mmWC 10000.0
atm 1 in WC 406.93
bar 1 in WC 401.61
1 in WC 393.701
atm 1 TORR 760.00
bar 1 TORR 750.00
1 TORR 736.00
11 Force
kgf 1 lbf 2.204620
kgf 1 N 9.806650
12 Temperature
°C 1 °F 33.8000
°C 1 °K 274.1600
°C 1 °R 493.4700
°F 90 °C 32.2222
°K 1 °C -272.1600
°R 1 °C -272.5944
13 Power
kW 1 hp 1.3405
hp 1 kW 0.7460
kW 1 kcal/hr 860.0000
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
Page 11 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
kcal/hr 1 kW 0.0012
Btu/hr 1 kcal/hr 0.2520
kcal/hr 1 Btu/hr 3.9683
Chu/hr 1 kcal/hr 0.4537
14 Refrigeration
TR 1 Btu/hr 12000.0000
TR 1 kcal/hr 3024.0000
Btu/hr 1 TR 0.0000833333
kcal/hr 1 TR 0.000330688
15 Calorific value Btu/lb 1 kcal/kg 0.555564864
kcal/kg 1 Btu/lb 1.79996984
kcal/kg 1 kJ/kg 4.1860000
kWh/kg 1 kcal/kg 860.00
kJ/kg 1 kcal/kg 0.2388915
16 Specific heat capacity
Btu/lb °F 1 kcal/kg °C 1.000
kcal/kg 1 Btu/lb 1.000
kJ/kg °C 1 kcal/kg °C 4.1860
17 Thermal Conductivity
W/m°K 1 kcal/hr m °C 0.860000000
kcal/hr m °C 1 W/m°K 1.1628
Btu / h ft °F 1 kcal/hr m °C 1.489166120
kcal/hr m °C 1 Btu / h ft °F 0.671516755
18 Heat transfer coefficient
1 0.860000000
1 1.1628
1 4.882509765
1 0.204812698
19 Heat flux
1 5.980050426
1 0.167222670
20 Stress
1 9.806650000
1 0.101971621
1 0.000397391
1 2516.416
1 0.0030510063
1 327.761
W/m2 °K kcal/hr m2 °C
kcal/hr m2 °C W/m2 °K
Btu / h ft2 °F kcal/hr m2 °C
kcal/hr m2 °C Btu / h ft2 °F
Btu / lb ft2 kcal/kg ft2
kcal/kg ft2 Btu / lb ft2
kgf/mm2 Mpa (N/mm2)
Mpa (N/mm2) kgf/mm2
lbf/ft2 Mpa (N/mm2)
Mpa (N/mm2) lbf/ft2
lbf/in2 (psi) Mpa (N/mm2)
Mpa (N/mm2) lbf/in2 (psi)
Page 12 of 12
Sr. Parameter Given unit Required unit
No. Unit Value Unit Value
21 Bending moment (torque) kgf.m 1 N.m 9.806650000
lbf.ft 1 N.m 1.355818000
lbf.in 1 N.m 0.119848000
N.m 1 kgf.m 0.101971621
N.m 1 lbf.ft 0.737562121
N.m 1 lbf.in 8.343902276
22 Moment if inertia 1 0.042140110
1 23.730360457
23 Momentum (lbm.ft)/s 1 (kg.m)/s 0.138255000
(kg.m)/s 1 (lbm.ft)/s 7.233011464
lbm.ft2 kg.m2
kg.m2 lbm.ft2
