How old was Noah when the biblical Flood began?

Noah was 600 years old when the biblical Flood began.

Genesis 7:6 states that Noah was 600 years old when the waters of the Flood came upon the earth. This age is part of the genealogical and chronological framework of the Genesis narrative, which gives unusually precise ages for several patriarchs.

The same chapter later describes Noah’s life after the Flood, while Genesis 9:28 says that he lived 350 years after the Flood and died at 950. Thus, the text distinguishes clearly between Noah’s age when the Flood began and his total lifespan.

Readers sometimes confuse Noah’s age at the Flood with the ages of his sons or with his final age. Genesis introduces Shem, Ham, and Japheth before the Flood account, but the 600-year figure specifically belongs to Noah. The number is a statement within the biblical narrative, not a modern historical estimate.