Metric and imperial conversions                           
Quantity                 Units that are available                      Choice  
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Temperature    - K, C, F                                                  1    
Pressure       - bar, dbar, kPa, hPa, Pa, kg/cm^2, Torr, "Hg, psi, atm.   2    
Length         - km, hm, dm, m, cm, mm, um, ft, in, mi, yd                3    
Area           - ha, acres or square of the length units                  4    
Volume         - litres, cube of the length units, acre-foot, gallon      5    
Speed          - knots, length units per second, minute or hour           6    
Flow           - cube of the volume units per second, minute or day       7    
Mass           - gram, kilogram, tonne, avoirdupois ounce, pound.         8    
Mass transport - g/day, tonne/s, lb/hr                                    9    
Density        - g/cm^3, kg/m^3, lb/ft^3                                 10    
Energy         - J, kW-hr, BTU, ft-lb, calorie                           11    
Power          - Watt, Horsepower, BTU/min, calorie/min.                 12    
Energy flux    - W/m^2, BTU/(s ft^2), cal./(s cm^2)                      13    
Specific heat  - J/(kg K), BTU/(lb F)                                    14    
                                                                               
Further information                                                      15    
Return to Operating System                                               16    
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