Multipurpose ruler

The utility model relates to a multipurpose ruler. According to the division of the International Patent Classification (IPC), the utility model belongs to the writing or painting apparatus of the operation, transportation and printing subsections, the small category of the writing or painting supplies and the writing or painting apparatus aids of the large category of office supplies, the technological field of the large group of rulers with more than one relatively mobile ruler small group. The classification number is B43L7/10. The utility model comprises a runner I, a calibration I, a connecting axis I, a sliding scale, a runner II, a calibration II, a connecting axis II and a protractor. The utility model is characterized in that the sliding scale is arranged on the outer surfaces of the connecting axis I and the connecting axis II. The utility model is a multipurpose ruler with the practical value.