If only a few years remain until the Year of Jubilee, he is to calculate and pay his redemption according to his remaining years.
KJV
And if there remain but few years unto the year of jubile, then he shall count with him, [and] according unto his years shall he give him again the price of his redemption.
ASV
And if there remain but few years unto the year of jubilee, then he shall reckon with him; according unto his years shall he give back the price of his redemption.