HOW TO USE THIS MANUALS
9. SI UNITS
Measurements in these manuals are according to the SI units. Metric and yard/pound measurements are
also included.
Example:
Tightening torque:
45 N·m (4.6 kgf-m, 33.2 ft-lb)
List of SI unit
Item
Force
Mass (Weight)
Capacity
Torque
Rotating speed
Pressure
Power
Calorie
Fuel consumption rate
The figure used in these manuals are described in the SI units and conventional units are described in ( ).
How to Use This Manuals
SI units
N (Newton)
kg, g
3
L, mL or cm
N·m
rpm
kPa (Kilopascal)
W
W·h
g/kW·h
HU-6
Conventional unit
kgf
kg, g
L or cc
kgf-m, kgf-cm
rpm
2
kgf/cm
mmHg
PS
cal
g/PS·h
Remarks
1 kgf = 9.807 N
3
1 cc = 1 cm
= 1 mL
1 kgf-m = 9.807 N·m
2
1 kgf/cm
= 98.07 kPa
1 mmHg = 0.1333 kPa
1 PS = 0.7355 kW
1 kcal = 1.163 W·h
1 g/PS·h = 1.3596 g/kW·h