Following are a number of back-translations as well as a sample translation for translators of Jeremiah 52:21:

• Kupsabiny: “The pillars were both hollow pipes and equal size. Each pillar had a height of twenty-seven feet and eighteen feet round and had a thickness at the mouth/opening of three inches.” (Source: Kupsabiny Back Translation)
• Hiligaynon: “The height of each pillar is 27 feet and the circumference is about 18 feet. It is hollow inside, and the thickness of the bronze is about four inches.” (Source: Hiligaynon Back Translation)
• English: “Each of the pillars was 27 feet/8 meters tall and 18 feet/5.5 meters around. They were hollow, and each had sides/walls that were 3 in./8 cm. thick.” (Source: Translation for Translators)