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Reference List of Default Units
The below table details every unit available for use in the construction of an EASAP under the Default Units object.
Note: the ‘Base unit’ row for every Dimensional Group is bolded in the second column.
| Dimensional Group | Unit Name | Conversion Factor |
|---|---|---|
| Length | m | |
| cm | 100. | |
| mm | 1000. | |
| in | 39.37008 | |
| ft | 3.280839 | |
| Mass | kg | |
| mg | 1.0e+6 | |
| g | 1000. | |
| lb | 2.2046225 | |
| tonne | 0.0001 | |
| ton (US) | 1.102311e-3 | |
| ton (non-US) | 0.984207e-3 | |
| slug | 0.06852177 | |
| Time | s | |
| min | 1.666666666667e-2 | |
| hr | 2.777777777778e-4 | |
| day | 1.157407407407e-5 | |
| Angle | rad | |
| ° | 57.2957795146 | |
| rev | 0.159154943 | |
| Temperature | K | |
| C | B2U: value-273.15 U2B: value+273.15 |
|
| F | B2U: (1.8*value)-459.67 U2B: (value+459.67)/1.8 |
|
| R | B2U: 1.8*value U2B: value/1.8 |
|
| Long Length | m | |
| km | 0.001 | |
| mile | 6.213712e-4 | |
| n.mile | 5.39957e-4 | |
| Area | m^2 | |
| in^2 | 1550.0031 | |
| ft^2 | 10.7639104 | |
| Large Area | m^2 | |
| mile^2 | 3.861007e-7 | |
| acre | 2.471044e-4 | |
| Volume | m^3 | |
| cm^3 | 1.0e+6 | |
| litre | 1000. | |
| in^3 | 6.1023744e+4 | |
| ft^3 | 35.31467 | |
| gallon (US) | 264.17204 | |
| gallon (non-US) | 219.9688 | |
| Velocity | m/s | |
| km/hr | 3.6 | |
| ft/s | 3.280840 | |
| mph | 2.236936 | |
| Angular Velocity | rad/s | |
| rpm | 9.5492966 | |
| Acceleration | m/s^2 | |
| ft/s^2 | 3.280840 | |
| in/s^2 | 39.37008 | |
| Force | N | |
| kN | 0.001 | |
| lbf | 0.2248089 | |
| kip | 2.248089e-4 | |
| kgf | 0.101971621 | |
| Energy | J | |
| MJ | 1.0e-6 | |
| kW-hr | 2.777778e-7 | |
| lbf-ft | 0.7375621 | |
| kgf-m | 0.101971621 | |
| cal | 0.2390057 | |
| Btu | 9.4845165e-4 | |
| Power | W | |
| kW | 1.0e-3 | |
| MW | 1.0e-6 | |
| Btu/hr | 3.414425 | |
| cal/s | 0.2390057 | |
| HP | 1.341024e-3 | |
| kgf-m/s | 0.101971621 | |
| lbf-ft/s | 0.7375621 | |
| Mass per Unit Length | kg/m | |
| lb/ft | 0.671969 | |
| lb/in | 0.0559974 | |
| Force per Unit Length | N/m | |
| lbf/ft | 0.0685218 | |
| kip/ft | 6.85218e-5 | |
| lbf/in | 0.00571015 | |
| Stress | N/m^2 | |
| kPa | 1.0e-3 | |
| MPa | 1.0e-6 | |
| ksi | 1.450377e-7 | |
| lbf/ft^2 | 0.0208854 | |
| kgf/mm^2 | 0.101972e-6 | |
| Pressure | Pa | |
| kPa | 1.0e-3 | |
| MPa | 1.0e-6 | |
| bar | 1.0e-5 | |
| atm | 9.869233e-6 | |
| psi | 1.450377e-4 | |
| mm H2O | 0.101974 | |
| in H2O | 4.018646e-3 | |
| mm Hg Torr | 7.50062e-3 | |
| in Hg | 2.96133971e-4 | |
| Mass Flow | kg/s | |
| g/s | 1000. | |
| lb/s | 2.2046225 | |
| lb/h | 7936.643 | |
| Volume Flow | m^3/s | |
| ft^3/s | 35.31467 | |
| cfm | 2118.880 | |
| gpm (US) | 15850.32 | |
| gpm (non-US) | 13198.128 | |
| gal/s (US) | 264.17126 | |
| gal/s (non-US) | 219.9688 | |
| Density | kg/m^3 | |
| g/cm^3 | 0.001 | |
| lb/in^3 | 3.612730E-5 | |
| lb/ft^3 | 0.06242797 | |
| Dynamic Viscosity | Pa-s | |
| lb/ft-s | 0.67196895 | |
| poise | 10. | |
| cP | 1000. | |
| kgf-s/m^2 | 0.101972 | |
| lbf-s/ft^2 | 0.0208854 | |
| Kinematic Viscosity | m^2/s | |
| St | 1.0e+4 | |
| cSt | 1.0e+6 | |
| in^2/s | 1550.0031 | |
| ft^/s | 10.76391 | |
| Surface Tension | N/m | |
| dyne/cm | 1000. | |
| lbf/ft | 0.0685218 | |
| lb-f/in | 0.00571015 | |
| Second Moment of Area | m^4 | |
| cm^4 | 1.0e+8 | |
| mm^4 | 1.0e+12 | |
| in^4 | 2.4025e+6 | |
| ft^4 | 115.862 | |
| Moment of Inertia | kg-m^2 | |
| kg-mm^2 | 1.0e+6 | |
| lb-ft^2 | 23.7304 | |
| lb-in^2 | 3417.18 | |
| Moment - Torque | N-m | |
| lbf-in | 0.737562 | |
| lbf-ft | 8.850745 | |
| Heat Flow Rate | W (J/s) | |
| cal/s | 0.238846 | |
| kcal/h | 0.859845 | |
| Btu/h | 3.41214 | |
| Calorific Value | J/kg | |
| kcal/kg | 2.38846e-4 | |
| Btu/lb | 4.29923e-4 | |
| Specific Heat | J/kg-K | |
| kcal/kg-C | 2.38846e-4 | |
| Btu/lb-F | 2.38846e-4 | |
| Thermal Conductivity | W/m-K | |
| cal/s-cm-C | 0.00238846 | |
| Btu/h-ft-F | 0.577789 | |
| Thermal Conductance | W/m^2-K | |
| cal/m^2-s-C | 0.238846 | |
| kcal/m^2-h-C | 0.859845 | |
| Btu/ft^2-h-F | 0.17611 | |