2 Chronicles 4:1

4:1 He made a bronze altar, 30 feet ¹  long, 30 feet ²  wide, and 15 feet ³  high.

2 Chronicles 25:23

25:23 King Joash of Israel captured King Amaziah of Judah, son of Joash son of Jehoahaz, in Beth Shemesh and brought him to Jerusalem. He broke down the wall of Jerusalem from the Gate of Ephraim to the Corner Gate – a distance of about six hundred feet. ⁴ 

[4:1]  ¹ tn Heb “twenty cubits.” Assuming a cubit of 18 inches (45 cm), the length would have been 30 feet (9 m).

[4:1]  ² tn Heb “twenty cubits.”

[4:1]  ³ tn Heb “ten cubits.” Assuming a cubit of 18 inches (45 cm), the height would have been 15 feet (4.5 m).

[25:23]  ⁴ tn Heb “400 cubits.” Assuming a cubit of 18 inches (45 cm), the distance would have been about 600 feet (180 m).