Trouser leg measuring ruler

The utility model relates to the technical field of measuring tools, and discloses a trouser leg measuring ruler which comprises a ruler body, scale marks are arranged at the top of the front end of the ruler body, tearing paper is arranged on the left side of the ruler body, the right side of the tearing paper is in contact with the left side of the ruler body, and the bottom of the tearing paper is bonded with the top of connecting paper. The right side of the connecting paper is fixedly connected with the left side of the bottom end of the ruler body, the numerical value zero of the scale marks is located on the left side of the ruler body, measurement work can be carried out through the arranged scale marks, the tearing paper and the connecting paper are consistent in length, width and thickness, and the ruler body can be effectively adhered to trouser legs through the tearing paper and the connecting paper. The thickness of the tearing paper and the thickness of the connecting paper are half of the thick