Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
KJV

1 Kings 6:17

And the house, that is, the temple before it, was forty cubits long.

Parallel Translations

LXXView canonical →
And the temple was forty cubits [in extent],
Brenton's Septuagint Translation
LXX2012View canonical →
And the temple was forty cubits [in extent],
Septuagint in American English (2012)
WEBView canonical →
In front of the temple sanctuary was forty cubits long.
World English Bible