Berean Standard Bible (BSB)
David was thirty years old when he became king, and he reigned forty years.
World English Bible (WEB)
David was thirty years old when he began to reign, and he reigned forty years.
Strong's King James
David{H1732} was thirty{H7970} years{H8141} old{H1121} when he began to reign{H4427}{(H8800)}, and he reigned{H4427}{(H8804)} forty{H705} years{H8141}.
The F.O.G *
The F.O.G Message *
Young's Literal Translation
A son of thirty years is David in his being king; forty years he hath reigned;