“Meas. roughly equivalent to 10 billion 12-Downs” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.BTU is the answer to the New York Times crossword clue “Meas. roughly equivalent to 10 billion 12-Downs”. It was last seen in the puzzle of June 1, 2025, where it runs at 105 Across and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.