Units of Chemistry

2 units of chemistry in the database, across 2 measurement systems, each with its exact or best-known SI value.

UnitSymbolQuantityValue in SI
MolemolAmount of substanceBase unit; Nᴀ = 6.02214076 × 10²³ mol⁻¹ exactly
KatalkatCatalytic activity1 kat = 1 mol/s