Measuring scale for civil engineering surveying and mapping

The utility model discloses a measuring scale for civil engineering surveying and mapping. The measuring scale comprises a first ruler, a second ruler, a circular fixing block, a first limiting screwhole, a limiting plate, a second limiting screw hole, a fixing plate, a limiting bolt, a fixing sleeve, a rotating ring, a threaded rod, a sliding frame, a limiting threaded rod, a knob, a marking pen, a second fixing sleeve and a fixing knob. The multifunctional ruler has the advantages that the multifunctional ruler is reasonable in structure and convenient to use, the multifunctional ruler canbe deformed through the limiting and fixing effect of the limiting bolts, can be used as a straight ruler or a right-angle ruler, is wider in application range, and can be used as a ruler or a right-angle ruler through the cooperation of the limiting and fixing structure and the scribing structure. The multifunctional surveying and mapping device can be used as compasses, has more diversified usefunctions, is more convenie