| 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 |
= m³/s = kg/s |
| Density: |
| lbs/cu.ft. |
X 16.018 46 |
= kg/m³ |
| Force: |
| pounds force |
X 4.448 22 |
= N (Newton) = kg m/s² |
| 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/m² = 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/s² 32.2 ft/s² |
X 0.3048 X 9.806 65 |
= m/s² = m/s² |
| Torque: |
lb. in. lb. ft. |
X 0.112 98 X 1.355 82 |
= N m = N m |
| Moment of Inertia (WK²): |
| lbs. ft.² |
X 0.042 14 |
= kg m² |
| Stress: |
| PSI |
X 6.894 76 |
= kPa |
| Area: |
sq. ft. sq. in. |
X 0.092 903 X 645.16 |
= m² = mm² |
| Volume: |
cu. ft. cu. in. |
X 0.028 317 X 16.387 06 |
= m³ = cm³ |