What is 1.5?

1.5 is a numeric value that represents a quantity that is halfway between 1 and 2. In decimal form, 1.5 is equivalent to 1 and 1/2 or one and a half.

In mathematics, 1.5 is considered a rational number because it can be expressed as a fraction (3/2). It is also considered an integer because it falls within the set of whole numbers.

In everyday life, 1.5 is commonly used to represent half of a whole or to describe a quantity that is between two whole numbers. For example, a recipe might call for 1.5 cups of flour or a person might say they are 1.5 meters tall.

In measurements, 1.5 can refer to 1.5 meters, 1.5 kilograms, or 1.5 liters, depending on the context.

Overall, 1.5 is a versatile number that is used in various mathematical, scientific, and everyday applications.