The invention relates to the technical field of measurement related equipment, and specifically relates to a measuring tool that comprises a front measuring section, a middle measuring section and a measuring handle; a measuring end is fixed to one end of the front measuring section; a first connecting block is fixed to the end, away from the measuring end, of the front measuring section; an innergroove is formed in the first connecting block, and a first connecting mechanism is arranged on the first connecting block; the first connecting mechanism comprises a fixing block and a spring, the fixing block is movably installed in the inner groove, and the spring is arranged in the inner groove; the first connecting block is mounted in a groove formed in one end of the middle measuring section; by pushing the front measuring section, the fixing block arranged on the first connecting block is contracted into the inner groove through the spring; when the fixing block moves to a clamping groove, the fixing block is reset under the action of the spring, so the fixing block is installed and fixed into the clamping groove, and the front measuring section and the middle measuring section arefixed rapidly, easily and conveniently.