| Present Units |
Conv. Factor |
Metric (SI) Units |
| Dimensions: |
foot
inch |
X 0.3048
X 25.4 |
= m (meter)
= mm (millimeter) |
| Mass: |
pound
ounce
grain |
X 0.3048
X 0.453 59
X 0.028 35
X 0.064 799 |
= kg (kilogram)
= kg
= g (gram) |
| Time: |
| minute |
X 60 |
= s (second) |
| Temperature: |
Fahrenheit
Celcius
Fahrenheit |
(�F + 459.67) � 1.8
�C + 273.15
�F - (32 � 1.8) |
= K (Kelvin)
= K
= �C (Celcius) |
| Flow: |
cfm
lbs/hour |
X 0.000 471 95
X 0.000 126 |
= m�/s
= kg/s |
| Density: |
| lbs/cu.ft. |
X 16.018 46 |
= kg/m� |
| Force: |
| pounds force |
X 4.448 22 |
= N (Newton) = kg m/s� |
| Pressure: |
in. w.g.
mm w.g.
in. Hg
oz/sq.in.
lb/sq.in.
atmosphere |
X 0.248 36
X 6.308 34
X 3.386 39
X 0.430 92
X 6.894 76
X 101.325 |
= kPa (kilo Pascal) = kN/m�
= kPa
= kPa
= kPa
= kPa
= kPa |
| Energy, Work: |
ft.lb.
BTU
kW hour
HP hour |
X 1.355 82
X 1.055 06
X 3600
X 2684.52 |
= J (Joule) = Nm
= kJ (kilo Joule)
= kJ
= kJ |
| Power, Heat Flow:: |
BTU/hr
HP
ton of refr. |
X 0.293 07
X 0.7457
X 3.516 85 |
= W (Watt)
= kW (kilo Watt)
= kW |
| Angles: |
| degrees |
X pi � 180 |
= rad (radian) |
| Speed: |
RPM
RPM |
� 60
X 2pi � 60 |
= r/s (revolutions/s)
= rad/s |
| Tip Speed: |
| ft. per min. |
X 0.005 08 |
= m/s |
| Velocity: |
| fpm |
X 0.005 08 |
= m/s |
| Acceleration: |
ft/s�
32.2 ft/s� |
X 0.3048
X 9.806 65 |
= m/s�
= m/s� |
| Torque: |
lb. in.
lb. ft. |
X 0.112 98
X 1.355 82 |
= N m
= N m |
| Moment of Inertia (WK�): |
| lbs. ft.� |
X 0.042 14 |
= kg m� |
| Stress: |
| PSI |
X 6.894 76 |
= kPa |
| Area: |
sq. ft.
sq. in. |
X 0.092 903
X 645.16 |
= m�
= mm� |
| Volume: |
cu. ft.
cu. in. |
X 0.028 317
X 16.387 06 |
= m�
= cm� |
