TABLE OF CONTENTS These conversions are for those units most commonly encountered in cold-air distribution design. Additional information and conversions for other units are given in the ASHRAE publication, SI for HVAC&R (ASHRAE 1992).
| Dimension | From | Conversion | To |
|---|---|---|---|
| Temperature | F | ( F-32)/1.8 | C |
| Temperature Difference | ? F | /1.8 | ?K(A C) |
| Rate of Cooling | ton | 3.517 | kW |
| Btu/h | 0.2931 | W | |
| Quantity of Energy | ton h | 3.517 | kWh |
| Btu | 0.2931 | Wh | |
| Btu | 1.055 | kJ | |
| Btu/lb | 2.326 | kJ/kg | |
| Chiller Efficiency | kW/ton | 3.517/(kW/ton) | COP |
| Volume Flow | gpm | 0.0631 | L/s |
| cfm | 0.4719 | L/s | |
| cfm | 0.0004719 | m 3/s | |
| Velocity | ft/min | 0.00508 | m/s |
| ft/s | 0.3048 | m/s | |
| Pressure | in of water | 248.8 | Pa |
| Specific Heat | Btu/lb F | 4.184 | kJ/(kg K) |
| Length or Head Pressure | ft | 0.3048 | m |
