let userDefined = Measurement(value: Double(userInput.text!)!, unit: UnitMass.kilograms)

let calculatedValue = userDefined.converted(to: UnitMass.grams)

print(calculatedValue)

let formatter = MeasurementFormatter()
formatter.locale = Locale(identifier: "en_US")
 UnitVolume.CalculatedTeaSpoon)
Convertedunit.text = formatter.string(from: calculatedValue)