Harmonic Drive FHA Mini Series, Manual, Page: 43 / 50

Appendix 2 Unit conversion
FHA-mini
43
Appendix 2 Unit conversion
This manual employs SI system for units. Conversion factors between the SI system and other
systems are as follows:
(1) Length
SI system m Unit ft. in.
Factor 0.3048 0.0254
Unit ft. in.
Factor 3.281 39.37 SI system m
(2) Linear speed
SI system m/s Unit m/min ft./min ft./s in/s
Factor 0.0167 5.08x10
-3
0.3048 0.0254
Unit m/min ft./min ft./s in/s
Factor 60 196.9 3.281 39.37 SI system m/s
(3) Linear acceleration
SI system m/s
2
Unit m/min
2
ft./min
2
ft./s
2
in/s
2
Factor 2.78 x10
-4
8.47x10
-5
0.3048 0.0254
Unit m/min
2
ft./min
2
ft./s
2
in/s
2
Factor 3600 1.18x10
4
3.281 39.37 SI system m/s
2
(4) Force
SI system N Unit kgf lb(force) oz(force)
Factor 9.81 4.45 0.278
Unit kgf lb(force) oz(force)
Factor 0.102 0.225 4.386 SI system N
(5) Mass
SI system kg Unit lb. oz.
Factor 0.4535 0.02835
Unit lb. oz.
Factor 2.205 35.27 SI system kg