How Tall Was Og and Goliath?

According to Deuteronomy, Og's bed or sarcophagus was 9 qubits long. That gives us an upper boundary, but it doesn't tell us how tall he actually was. In the ancient world, you couldn't cut granite super thin, so its walls needed to be several inches thick. They often put a coffin inside a sarcophagus in the ancient Near East. And that would suggest that it was deliberately bigger than Aug was to make him seem even more impressive in death rather than when he was alive.