King James Bible
LORD, make me to know mine end, and the measure of my days, what it is; that I may know how frail I am.

New King James Version
“LORD, make me to know my end, And what is the measure of my days, That I may know how frail I am.

American Standard Version
Jehovah, make me to know mine end, And the measure of my days, what it is; Let me know how frail I am.

Berean Study Bible
“Show me, O LORD, my end and the measure of my days. Let me know how fleeting my life is.

Douay-Rheims Bible
I spoke with my tongue : O Lord, make me know my end. And what is the number of my days : that I may know what is wanting to me.

English Revised Version
LORD, make me to know mine end, and the measure of my days, what it is; let me know how frail I am.

World English Bible
"Yahweh, show me my end, what is the measure of my days. Let me know how frail I am.

Young's Literal Translation
Cause me to know, O Jehovah, mine end, And the measure of my days -- what it is,' I know how frail I am.

Psalm 39:4 Additional Translations ...