NET

18 but if he consecrates his field after the Jubilee, the priest will calculate the price for him according to the years that are left until the next Jubilee year, and it will be deducted from the conversion value.

Darby

18 but if he hallow his field after the jubilee, then the priest shall reckon unto him the money according to the years that remain, until the year of the jubilee; and there shall be a reduction from thy valuation.

KJV

18 But if he sanctify his field after the jubile, then the priest shall reckon unto him the money according to the years that remain, even unto the year of the jubile, and it shall be abated from thy estimation.