KnowraDimensionless quantityLinked fromLinked fromThe 21 pages that link to Dimensionless quantity, each with the reason it gives.All 21Related 15Narrower topic 2Compared with 4Natural unitsNarrower topic: Natural units simplify dimensions but do not make every physical quantity dimensionless.NeperNarrower topic: Although assigned the symbol Np, the neper expresses a dimensionless logarithmic ratio.