The choice of the best font and font size for coding is subjective and can vary based on individual preferences. However, some commonly recommended fonts for coding include Consolas, Fira Code, and JetBrains Mono. As for the font size, it often falls within the range of 10 to 14 points, depending on personal preference and display resolution. It's important to find a font and font size combination that offers readability and comfort during long coding sessions. Experimenting with different options is recommended to find what works best for you.