GOD'S WORD® Translation
If you want to buy it back, you must pay its full value plus one-fifth more.

American Standard Version
But if he will indeed redeem it, then he shall add the fifth part thereof unto thy estimation.

Berean Study Bible
If, however, the owner decides to redeem the animal, he must add a fifth to its value.

Douay-Rheims Bible
Which if he that offereth it will give, he shall add above the estimation the fifth part.

English Revised Version
But if he will indeed redeem it, then he shall add the fifth part thereof unto thy estimation.

King James Bible
But if he will at all redeem it, then he shall add a fifth part thereof unto thy estimation.

World English Bible
But if he will indeed redeem it, then he shall add the fifth part of it to its valuation.

Young's Literal Translation
and if he really redeem it, then he hath added its fifth to thy valuation.

Leviticus 27:13 Additional Translations ...