Abstract: The invention relates to a measuring sleeve for measuring a force in an anchor pile which has at least two anchor rods, wherein the measuring sleeve comprises a sleeve-shaped base body with a receiving hole, wherein a first internal thread extends from one side and a second internal thread extends from a second side into the base body, the internal threads are each designed for screwing in a threaded section of an anchor rod, between the first internal thread and the second internal thread an annular central section is designed which is free from a thread, and on the central section at least one force measuring element is arranged which is axially spaced apart from the internal threads.