cups The cups unit of volume. Declaration@NSCopying class var cups: UnitVolume { get } See AlsoAccessing Predefined UnitsmegaliterskiloliterslitersdeciliterscentilitersmilliliterscubicKilometerscubicMeterscubicDecimeterscubicCentimeterscubicMillimeterscubicInchescubicFeetcubicYardscubicMiles