What is the thickness of standard hardwood flooring generally available?

The thickness of standard hardwood flooring that is commonly available typically ranges from 3/8", 1/2", and 3/4". This range accommodates various installation methods and aesthetic preferences. The most prevalent thickness for solid hardwood flooring is 3/4", which provides the durability and stability suitable for residential settings. The thinner options, such as 3/8" and 1/2", are often used for engineered hardwood flooring, where the product is meant to offer more flexibility in terms of installation over various substrates. Thus, this answer accurately captures the common thicknesses found in the market for hardwood flooring, making it the correct choice.