"hochrechnen" in English hochrechnen {v.t.} to extrapolate to project to make a projection Detailed translations for "hochrechnen" hochrechnen{transitive verb} 1. aus hochrechnen(also: extrapolieren, ableiten) to extrapolate Der Computer müsste Ihr Zeitkonzept hochrechnen können. Source: opensubtitles.org Corpus by OPUS Request review It should be able to extrapolate from your concept of time. 2. other hochrechnen(also: entwerfen, hervorragen, projektieren) to project hochrechnen to make a projection