38 Revolution per hour = 0.01055556 Hertz

Acceleration

72 Mile per hour squared

0.00894082 Meter per Second Squared

mph² → m/s²

Electric charge

29 Statcoulomb

9.673e-9 Coulomb

statC → C

Concentration

80 Parts per Billion

80 Microgram per liter

ppb → μg/L

Luminosity

34 Nit

34 Candela per square meter

nt → cd/m²

Photography

6 Lambert

19,098.60 Candela per square meter

L → cd/m²

Volume

40 Milliliter

1.352562 Fluid Ounce (US)

ml → fl oz (US)