Revelation 16:21

And great hailstones weighing almost a hundred pounds each rained down on them from above. And men cursed God for the plague of hail, because it was so horrendous.

Note Greek great hail as of a talent; that is, hailstones weighing approximately 75.4 pounds or 34.2 kilograms each

BSB · Berean Standard Bible
And there fell upon men a great hail out of heaven, every stone about the weight of a talent: and men blasphemed God because of the plague of the hail; for the plague thereof was exceeding great.
KJV · King James Version
Great hailstones, about the weight of a talent, came down out of the sky on people. People blasphemed God because of the plague of the hail, for this plague was exceedingly severe.

Note A talent is about 30 kilograms or 66 pounds.

WEB · World English Bible
And great hail, every stone about the weight of a talent, cometh down out of heaven upon men: and men blasphemed God because of the plague of the hail; for the plague thereof is exceeding great.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

there fell
Revelation 8:7; Revelation 11:19; Exodus 9:23–26; Joshua 10:11; Isaiah 30:30; Ezekiel 13:11, 13; Ezekiel 38:21, 22
blasphemed
Revelation 16:9, 11; Isaiah 8:21