Faker::Measurement For each, if you don't pass in an integer or float, it randomly selects an integer between 1 and 10. If you pass in "none", it returns the singular version of the measurement unit, without a number. If you pass in "all", it returns the plural version of the measurement unit, without a number. # Keyword arguments: amount Faker::Measurement.height #=> "6 inches" Faker::Measurement.height(amount: 1.4) #=> "1.4 inches" Faker::Measurement.height(amount: "none") #=> "inch" Faker::Measurement.height(amount: "all") #=> "inches" Faker::Measurement.length #=> "1 yard" Faker::Measurement.volume #=> "10 cups" Faker::Measurement.weight #=> "3 pounds" Faker::Measurement.metric_height #=> "2 meters" Faker::Measurement.metric_length #=> "0 decimeters" Faker::Measurement.metric_volume #=> "1 liter" Faker::Measurement.metric_weight #=> "8 grams"