What is the decimal equivalent of 1/2"?

The correct choice, which represents the decimal equivalent of 1/2", is 0.5. Understanding how to convert fractions to decimals is fundamental in pipefitting, particularly when measuring diameters, lengths, and fittings.

To convert the fraction 1/2 into a decimal, you can divide the numerator (1) by the denominator (2). When you perform this division, you will find that 1 ÷ 2 equals 0.5.

This conversion is crucial in practical applications because pipe measurements need to be clear and precise, given that operations often require converting between fractions and decimals for various calculations. Knowing that 1/2" translates to 0.5" can help professionals select the right materials and fittings for their projects, ensuring accuracy in installations.