The utility model relates to a tooth measuring ruler, which is used to solve the problems of time-consuming, complicated steps and single function of the tooth measuring equipment.It consists of: a base plate, a marking surface, a first base edge of the marking surface, and a tooth inclination measuring part, located on the marking surface, the tooth inclination measuring part, which has a datum line and several graduation lines, which extend to two sides with the datum line as the center, the datum line and the graduation lines are perpendicular to the first base edge, and the tooth inclination measuring part, which has several inclinations Degree marks, each of which is connected with an included angle which is not perpendicular to the first base edge.一種牙齒量測尺，用以解決習知牙齒量測設備耗時、步驟繁瑣及僅具單一功能的問題。係包含：一基板，具有一標示面，該標示面具有一第一基邊；及一齒斜度量測部，位於該標示面上，該齒斜度量測部具有一基準線及數個刻度線，該數個刻度線以該基準線為中心向二側延伸，該基準線及該數個刻度線垂直於該第一基邊，該齒斜度量測部具有數個斜度標記，各該斜度標記係成傾斜與該第一基邊具有一非垂直的夾角。
