An acre is a unit of area and a linear foot is, well, linear, that is, in a line.

Area is measured in

For unit conversion in the future, you could bookmark the NIST handbook on this subject, found

Area is measured in

__square__feet. There are 43 560 square feet in an acre.For unit conversion in the future, you could bookmark the NIST handbook on this subject, found

**here**_{In any case, 175 000 / 43 560 = 4.017 acres.}