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Dimensionless quantities, or quantities of dimension one, are quantities with no associated units of measurement.
History & Measurement
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dimensionless quantities number units ratios ratio physical dimension unit numbers may one theorem physics measurement analysis displaystyle used equal quantity
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Dimensionless quantity | Common symbols | N | 1.00 | infobox |
| Dimensionless quantity | Dimension | 1 | 1.00 | infobox |
| Dimensionless quantity | SI unit | Unitless | 1.00 | infobox |
| mole fractions | instance of | state properties and ratios | 0.80 | text |
| ppm | instance of | often written using parts-per notation | 0.80 | text |
| turn | instance of | Some angle units | 0.80 | text |
| radian | instance of | Some angle units | 0.80 | text |
| and steradian are defined as ratios of quantities of the same kind | instance of | Some angle units | 0.80 | text |
| forest fires have Q | instance of | Flat spread fires | 0.80 | text |
| Dimensionless quantity | related to Buckingham π theorem | The Buckingham | 0.60 | section |
| Dimensionless quantity | related to Buckingham π theorem | Introduced | 0.60 | section |
| Dimensionless quantity | related to Buckingham π theorem | Edgar Buckingham | 0.60 | section |
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