What is the length of a single term for a U.S. Senator?

The length of a single term for a U.S. Senator is 6 years. This duration is established by the U.S. Constitution, which outlines that each Senator serves for a term of six years, ensuring that they have a significant timeframe to work on legislation, represent their state, and participate in the Senate's functions. This relatively longer term compared to the 2-year term for members of the House of Representatives allows Senators to focus on more extensive and sometimes complex issues without the immediate pressure of re-election every two years. Additionally, it helps create a level of stability in the Senate, as not all Senators are up for re-election at the same time; only about one-third of the Senate is up for election every two years, maintaining continuity within the legislative body.