Appendix 1 Conversion of unit
-Appendix 1-1 –
Appendix 1 Conversion of unit
This technical manual basically uses the SI unit system. The conversion coefficients between the SI unit
system and other unit systems are shown below.
(1) Length
SI unit
m
Unit
ft.
in.
Coefficient
0.3048
0.0254
Unit
ft.
in.
Coefficient
3.281
39.37
SI unit
m
(2) Linear speed
SI unit
m/s
Unit
m/min
ft./min
ft./s
in/s
Coefficient 0.0167 5.08x10
-3
0.3048 0.0254
Unit
m/min
ft./min
ft./s
in/s
Coefficient
60
196.9
3.281
39.37
SI unit
m/s
(3) Linear acceleration
SI unit
m/s
2
Unit
m/min
2
ft./min
2
ft./s
2
in/s
2
Coefficient 2.78 x10
-4
8.47x10
-5
0.3048 0.0254
Unit
m/min
2
ft./min
2
ft./s
2
in/s
2
Coefficient
3600 1.18x10
4
3.281
39.37
SI unit
m/s
2
(4) Force
SI unit
N
Unit
kgf
lb (force)
oz (force)
Coefficient
9.81
4.45
0.278
Unit
kgf
lb (force)
oz (force)
Coefficient
0.102
0.225
4.386
SI unit
N
(5) Mass
SI unit
kg
Unit
lb.
oz.
Coefficient
0.4535
0.02835
Unit
lb.
oz.
Coefficient
2.205
35.27
SI unit
kg