Assomac Machines Ltd

Conversions

The following table shows the conversion factors for commonly used units used in our wire drawing machine industry.

Conversion Factors For Commonly Used Units
  Imperial SI Metric From Imperial To SI Metric Multiply by From SI Metric to Imperial Multiply by
Linear Measurement Inch
Mil
Ft.
Yd.
Mile
Mm (millimetre)
m (micrometre)
m (metre)
m
km (kilometre)
25.4
25.4
0.304 8
0.914 4
1.609 34
0.039 37
0.039 37
3.280 84
1.093 61
0.621 37
Area Sq. inch
Sq. inch
Sq. ft.
Sq. yd.
Mm2
Cm2
M2
M2
645.16
6.451 6
0.092 903
0.836 13
0.01 55
0.155 00
10.763 91
1.195 99
Volume And Liquid Capacity Cu. Inch
Cu.ft.
Cu.yd.
Fluid oz. (lmp.)
gallon (lmp)
Gallon (US)
Cm3
M3
M3
Ml (millilitre)
L (litre) L
16.387 06
0.028 37
0.764 55
28.413 06
4.546 09
3.785 41
0.061 024
35.314 67
1.307 95
0.035 195
0.219 97
0.264 17
Weight (mass)… Oz
Ib.
Ton (Short)
G (gram)
Kg (kilogram)
T (tonne)
28.349 52
0.453 59
0.907 18
0.035 274
2.204 62
1.102 31
Weight per unit length Ib./ft. Kg/m 1.488 16 0.671 97
Coating weight Oz.sq. ft. G/m2 305. 152 0.003 277
Force Pound-force
Kip
N (newton)
Kn (kilonewton)
4.448 22
4.448 22
0.224 81
0.224 81
Pressure And stress*** Psi
Ksi
Mpa (megapascal) 0.006 8948 6.894 76 145.039 0.145 04
Pressure and stress*** Psi
Ksi
Kgf/mm2
Kgf/mm2
0.000 7031
0.703 1
1422.347
1.422 347
Torque and bending Ib.in. n.m. (Newton metre) 0.112 99 8.850 75
Moment Ib. ft. n.m. 1.355 82 0.737 56
Energy Ft. lb. J (Joule) 1.355 82 0.737 56
Temperature 0F 0C 5/9 (0F-32) 9/50C+32

Note : Underlined values are exact.

  • The SI metric system is based on the international system of units.
  • In some circumstances the term "weight" is used as meaning force and, therefore, it would have the units of force i.e. N(newtons). It is a more common practice to associate "Weight" with mass when it would have units of mass. I.e. kg (kilograms).
  • Properly, stress is expressed in pascals (PA) or N/m2. However, M pascals or n/mm2 is commonly used.
  • It is convert kgf/ mm2 to MPA (N/ mm2), multiply by 9.80665.

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