New King James Version
to know the love of Christ which passes knowledge; that you may be filled with all the fullness of God.

King James Bible
And to know the love of Christ, which passeth knowledge, that ye might be filled with all the fulness of God.

American Standard Version
and to know the love of Christ which passeth knowledge, that ye may be filled unto all the fulness of God.

Berean Study Bible
of the love of Christ, and to know this love that surpasses knowledge, that you may be filled with all the fullness of God.

Douay-Rheims Bible
To know also the charity of Christ, which surpasseth all knowledge, that you may be filled unto all the fulness of God.

English Revised Version
and to know the love of Christ which passeth knowledge, that ye may be filled unto all the fulness of God.

World English Bible
and to know Christ's love which surpasses knowledge, that you may be filled with all the fullness of God.

Young's Literal Translation
to know also the love of the Christ that is exceeding the knowledge, that ye may be filled -- to all the fulness of God;

Ephesians 3:19 Additional Translations ...